Manuale d’uso / di manutenzione del prodotto 720 del fabbricante Dell
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www .dell.com | support.dell.com Dell™ XPS™ 720 Owner’ s Manual Model DCDO.
Notes, Notices, and Cautions NOTE: A NOTE indicates important i nformation that helps you make better use of your computer . NOTICE: A NOTICE indicates either potential da mage to hardware or loss of da ta and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for propert y damage, personal injury , or death.
Contents 3 Contents Finding Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1 Setting Up and Using Y our Computer . . . . . . . . . . . . . . . . 13 Front and Back V iew of the Computer . . . . . . . . . . . . . . . . . .
4 Contents T ransferring Informati on to a New Computer . . . . . . . . . . . . . . . . . . 43 Power Management O ptions in Windows XP . . . . . . . . . . . . . . . . . . 44 Standby Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Hibernate Mode .
Contents 5 Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Sy stem Messages . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Contents Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Removing PCI and PCI Express Cards . . . . . . . . . . . . . . . . . . . 95 Installing PCI and PCI Express Cards . . . . . . . . . . . . . . . . . . . . 97 Removing a PCI Express Graphics Card from a Dual Configuration .
Contents 7 Removing the Optional Hard Drive Fan . . . . . . . . . . . . . . . . . . 137 Installing the Opti onal Hard Drive Fan . . . . . . . . . . . . . . . . . . 138 Sy stem Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 Removing the Sy stem Board .
8 Contents FCC Notices (U.S. Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 Class A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Class B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 FCC Identification Information .
Finding Information 9 Finding Information NOTE: Some features or media may be optional and may not sh ip with your computer . So me features or media may not be available in certain countries. NOTE: Additional information may ship with your computer .
10 Finding Information • How to set up my computer Setup Diagram • Service T ag and Express Service Code • Microsoft ® W indows ® P roduct Key Label Service T ag and Microsoft Windows Product Key These labels are located on your computer . • Use the Service T ag to identify your computer when you use support.
Finding Information 11 • Solutions — T roubleshooting hints and tips, articles from technicians, online courses, and frequently ask ed questions • Community — Online disc ussion with other Del.
12 Finding Information • How to reinstall my operating system Operating Sy stem Media The operating system is alread y installed on your computer . T o reinstall your operating system, use the Operating System media (see "Restoring Y our Operating System" on page 78).
Setting Up and Using Y our Computer 13 Setting Up and Using Y our Computer Front and Back V iew of the Computer Front View 6 8 1 10 2 3 4 5 11 7 12 9.
14 Setting Up and Using Y our Computer 1 front I/O connectors Plug USB and other devices into the appropriate connectors ( see "F ront I/O Connectors" on page 15). 2 3.5-inch drive bays (2) Can hold an opti onal Media Card Reader or floppy drive.
Setting Up and Using Y our Computer 15 Front I/O Connectors 45 6 7 2 13 1 microphone connector Use the microphone connector to attach a personal computer microphone for voice or musical input into a sound or telephony program. 2 headphone connector Use the headphone connector to attach headphones.
16 Setting Up and Using Y our Computer Back View 1 3 4 2 1 power connector Insert the power cabl e. The appearance of this connector may differ from what is pictured. 2 back panel LEDs (2) Multi-colored lights provide illu mination for the I/O panel on the back of the computer .
Setting Up and Using Y our Computer 17 Back I/O Connectors 1 link integrity light • Green — A good connection e xists between a 10-Mbps network and the computer . • Orange — A good connection exists between a 100-Mbps network and the computer .
18 Setting Up and Using Y our Computer Attaching the Computer Stand CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide . CAUTION: Y our computer is heavy and can be difficult to maneuver .
Setting Up and Using Y our Computer 19 CAUTION: The computer stand should be ins talled at all times to ensure maximum sy stem stability. Failure to install the stand could result in the computer tipping ov er , potentially resulting in bodily injury or damage to the computer .
20 Setting Up and Using Y our Computer Installing Y our Computer in an Enclosure Installing your computer in an enclosure can r estrict the air flow and impact your computer ’s performance, possibly causing it to overheat.
Setting Up and Using Y our Computer 21 • If your computer is installed in a corner on a desk or under a desk, leave at least 5.1 centimeters (2 inch) of clearance from the back of the comput er to the wall to permit the airflow requir ed for proper ventilation.
22 Setting Up and Using Y our Computer • Do not install your computer in an en closure that does not allow airflow . Restricting the airflow impacts your computer ’s performance, possibly causing it to overheat.
Setting Up and Using Y our Computer 23 Connecting a Monitor (Without an Adapter) CAUTION: Before you perform any of the procedures in this section, follow the safety in structions in the Product Information Guide .
24 Setting Up and Using Y our Computer 4 Connect the D VI or VGA connector of your monitor to the appropriat e connector on the back of the computer: T o connect a monitor with a DVI connector , use the (white) DVI port on your computer . T o connect a monitor with a VGA connector , use the (blue) VGA port on your computer .
Setting Up and Using Y our Computer 25 Connecting a Monitor in a Dual Graphics Card Configuration CAUTION: Before you perform any of the procedures in this section, follow the safety in structions in the Product Information Guide . Dual graphics card configurations with multi-GP U technology enabled support only a single monitor .
26 Setting Up and Using Y our Computer 1 Save and close all open files and exit all open programs. 2 Shut down the operating system: • In W indows XP , click Start → T urn Off Computer → Tu r n o f f . • In W indows Vista, click Start , click the arrow in the lower -right corner of the Start menu as shown below , and then click Shut Down .
Setting Up and Using Y our Computer 27 Connecting T wo or More Monitors CAUTION: Before you perform any of the procedures in this section, follow the safety in structions in the Product Information Guide . NOTE: In order to connect and use two or more monitors in a dual gr aphics card configuration, multi-GPU technology must be disabled.
28 Setting Up and Using Y our Computer T o connect a TV to your computer , an S-video cable is requir ed. If you do not have an S-video cable, you may purchase one at most consum er electronics stores. An S-video cable is not included with your computer .
Setting Up and Using Y our Computer 29 About Y our RAID Configuration NOTICE: In order to use the migrating option to convert a RAID configuration wi thout losing data, your hard drive must initially .
30 Setting Up and Using Y our Computer Another advantage of a R AID level 0 configuration is th at it utilizes the full storage capacities of the drives. F or example, two 120-GB har d drives combine to provide 240 GB of hard drive space on which to store data.
Setting Up and Using Y our Computer 31 If a drive failure occurs, subsequent r ead and write opera tions are directed to the other surviving drives. A replacement drive can then be r ebuilt using the data from the surviving drives.
32 Setting Up and Using Y our Computer RAID Level 5 Configuration R AID level 5 also uses data parity . RAID level 5 stripes both data and parity information across thr ee or more drives. It provides data striping at the by te level and also stripe error corr ection information (rotating parity array).
Setting Up and Using Y our Computer 33 Setting Y our Computer to RAID-Enabled Mode 1 Enter system setup (see "Enter ing System Setup" on page 166). 2 P ress the up- and down-arrow keys to highlight Drives , then press <Enter>. 3 P ress the up- and down-arrow keys to highlight the applicable SA T A drive, then press <Enter>.
34 Setting Up and Using Y our Computer 6 Use the up- and down-arrow keys to select a har d drive to include in the RAID array and then use the right-arrow key to move the selected drive from the F ree Disks field to the Array Disks field. Repeat for each disk you want to include in the R AID array .
Setting Up and Using Y our Computer 35 5 Click Custom , then click Next . 6 Use the drop-down box to select Striping (R AID 0), Mirroring (R AID 1), Stripe Mirroring (R AID 0+1), or R AID 5 . 7 Click Next . The F ree Disk Selection window appears. NOTE: Only RAID-enabled hard drives are listed as free disks.
36 Setting Up and Using Y our Computer NVIDIA MediaShield utilizes a one-step process known as migrating to change the current state of a disk or array without losing any data.
Setting Up and Using Y our Computer 37 4 Click Next . 5 Select the hard drive you want to r ebuil d by clicking the checkbox beside it. 6 Click Next . 7 Click Fi n i s h . The MediaShield R AID management utility window appears and displays the status of the rebuild process.
38 Setting Up and Using Y our Computer A CD player includes the following basic buttons: A D VD player includes the following basic buttons: These controls may not exist on all players in the sy stem. F or more information on playing CDs, D VDs, or BDs, click Help on the media player (if available).
Setting Up and Using Y our Computer 39 The D VD drives and BD drives installed in Dell co mputers do not support HD-DVD media. F or a list of supported media formats, see "Using Bla nk CD, DVD, and BD Media" on page 39. How to Copy a CD, DVD, or BD NOTE: BD media can only be copied to other BD media.
40 Setting Up and Using Y our Computer DVD-Writable Drives BD-Writable Drives Helpful T ips • Use Microsoft W indows Explorer to drag and drop files to a CD-R or CD-R W only after you start Roxio Creator and open a Creator project.
Setting Up and Using Y our Computer 41 • Use CD-Rs to burn music CDs that you want to pl ay in r egular stereos. CD-R Ws do not play in most home or car stereos. • Music MP3 files can be played only on MP3 players or on computers that have MP3 software installed.
42 Setting Up and Using Y our Computer 1 Inspect the media card to determine th e proper orientation for insertion. 2 Slide the media card into the appropriat e slot of the media car d reader unt il it is completely seated in the connector . If you encounter resistance, r emove the card, ch eck for proper orientation, and then try again.
Setting Up and Using Y our Computer 43 Wi n do w s X P: 1 Click Start , point to All P rograms → Accessories → Communications , and then click Network Setup Wiz ar d . 2 On the welcome screen, click Next . 3 Click Checklist for creating a network .
44 Setting Up and Using Y our Computer 5 On the Which computer is this? screen, click Old Computer , and then click Next . 6 On the Select a transfer method screen, click the transfer method of your pr eference. 7 On the What do you want to transfer? screen, select the items you want to transfer , then click Next .
Setting Up and Using Y our Computer 45 T o set standby mode to automatically acti vate after a defined period of inactivity : 1 Click Start → Control P anel → Pick a category → P erformance and Maintenance . 2 Under or pick a Control P anel icon , click P ower Options .
46 Setting Up and Using Y our Computer NOTICE: If you set the hard drive to time-o ut before the monitor does, your comp uter may appear to be locked up. T o recover , press any key on the keyboa rd or click the mouse. T o avoid this problem, alway s set the monitor to time- out before the hard drive.
Setting Up and Using Y our Computer 47 Power Management Options in Windows V ista The Microsoft Vista power management featur es ca n reduce the amount of electricity your computer uses when it is on and you are not using it.
48 Setting Up and Using Y our Computer.
Optimizing for Greater Performance 49 Optimizing for Greater Performance Understanding Dual-Graphics T echnology W ith dual-graphics technology , an optional second PCI Express graphics card will significantly increase graphics performance on your computer .
50 Optimizing for Gr eater Performance.
Dell™ QuickSet 51 Dell™ QuickSet NOTE: This feature may not be av ailable on your computer . Dell™ QuickSet allows you to select and adjust LED light effects, also known as LightFX™. Y ou can start QuickSet by either clicking , double - clicking , or right - clicking the QuickSet icon in the Microsoft ® W indows ® taskbar .
52 Dell™ QuickSet.
T roubleshooting 53 T roubleshooting Solving Problems F ollow these tips when you tr oubleshoot your computer: • If you added or removed a part befor e the proble m started, review the installation procedures and ensure that the part is corr ectly installed.
54 T roubl eshooting If the drive is not listed, perform a full scan with your anti virus software to check for and r emove viruses. Viruses can sometimes prevent W indows from r e cognizing the drive. T EST THE DRIVE — • Insert another disc to elim inate the possibility that the original drive is defective.
T roubleshooting 55 3 Click Pr o p e r t i e s → To o l s → Check Now . The User Account Control window may appear . If you are an administrator on the computer , click Continue ; otherwise, contact your administra tor to continue the desired action.
56 T roubl eshooting V ERIFY THAT THE MODEM IS COMMUNICATING WITH W INDOWS — Windows XP : 1 Click Start → Control P anel → P rinters and Other Hardware → Phone and Modem Options → Modems . 2 Click the COM port for your modem → Pr o p e r t i e s → Diagnostics → Query Modem to verify that the modem is communicating with W indows.
T roubleshooting 57 N OT ENOUGH MEMORY OR RESOURCES . C LOSE SOME PROGRAMS AND TRY AGAIN — Close all windows and open the program that you want to use. In some cases, you may have to restar t your computer to r estore computer resources. If so , run the program that you want to use first.
58 T roubl eshooting Lockups and Software Problems CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide . The computer does not start up C HECK THE DIAGNOSTIC LIGHTS — See "Diagnostic Lights " on page 66 .
T roubleshooting 59 A solid blue screen appears T URN THE COMPUTER OFF — If you are unable to get a r esponse by pressi ng a key on your keyboar d or moving your mouse, press and hold the power button fo r at least 8 to 10 seconds (until the computer turns off), and then r estart your computer .
60 T roubl eshooting Mouse Problems CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide . C HECK THE MOUSE CABLE — • Ensure that the cable is not damaged or frayed and check cable connectors for bent or broken pins.
T roubleshooting 61 Power Problems . CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide . I F THE POWER LIGHT IS GREEN AND THE COMPUTER IS NOT RESPONDING — See "Diagnostic Lights" on page 66.
62 T roubl eshooting E NSURE THAT THE PRINTER IS TURNED ON C HECK THE PRINTER CABLE CONNECTIONS — • See the printer documentation for cable connection information. • Ensure that the printer cables ar e securely connected to the printer and the computer .
T roubleshooting 63 Sound and Speaker Problems CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide . No sound from speakers NOTE: The volume control in MP3 and o ther media players may override the Windows volume setting.
64 T roubl eshooting The screen is difficult to read C HECK THE MONITOR CABLE CONNECTION — • Ensure that the monitor cable is connected to the corr ec t graphics card (for dual graphics card configurations).
T roubleshooting 65 Power Lights CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide .
66 T roubl eshooting Diagnostic Lights CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide . T o help troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4 on the front panel (see "F ront View" on page 13).
T roubleshooting 67 A possible floppy drive or hard drive failur e has occurred. Reseat all power and data cables. A possible USB failure has occurr ed.
68 T roubl eshooting A possible expansion car d failure has occurred. 1 Determine if a conflict exists by r emoving an expansion car d (not a graphics card) and restarting the computer (see "Removing PCI and PCI Express Car d s" on page 95).
T roubleshooting 69 Beep Codes Y our computer might emit a series of beeps during start-up if t he monitor cannot display errors or problems. This series of beeps, called a beep code, identifies a problem. F or e xample, beep code 1-3-1 (one possible beep code) consists of one beep, a burst of three beeps, and then one beep.
70 T roubl eshooting Sy stem Messages NOTE: If the message you received is not listed in the table, see the documentati on for either the operating sy stem or the program that was running when the message appeared.
T roubleshooting 71 CH-2 Timer Error An error is o ccurring on the timer on the system board. See "Contacting Dell" on page 179 for instructions on obtaining technical assistance.
72 T roubl eshooting Dell Diagnostics CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide .
T roubleshooting 73 4 At the Dell Diagnostics Main Menu , left-click with the mouse, or press <T ab> and then <Enter>, to select the test you want to run (see "Dell Diagnostics Main Menu" on page 74). NOTE: Write down any error codes an d problem descriptions exactly as they appear and follow the instructions on the screen.
74 T roubl eshooting Dell Diagnostics Main Menu The following tests can be r un from the Dell Diagnostics Main Menu : F or any problem encountered during a test, a message a ppears with an error code and a description of the problem. W rite down the error code and problem de scription exactly as it appears and follow the instructions on the screen.
T roubleshooting 75 Drivers What Is a Driver? A driver is a program that controls a device such as a printer , mouse, or keyboar d. All devices require a driver program. A driver acts like a translator between the device and any other programs that use the device.
76 T roubl eshooting 2 Scroll down the list to see if any device has an ex clamation point (a yellow circle with a [ !] ) on the device icon. If an ex clamation point is next to the device name, you may need to reinstall the driver or install a new driver (see "Reinstall ing Drivers and Utilities " on page 76).
T roubleshooting 77 4 When you see the W indows desktop, reinsert the Drivers and Utilities media . 5 At the W elcome Dell System Owner screen, click Next . NOTE: The Drivers and Utilities media display s drivers only for hardware that came installed in your computer .
78 T roubl eshooting 6 When the name of the appropriate driver appears, click the name of the driver . 7 Click OK → Next → F inish and restart your computer .
T roubleshooting 79 Wi n do w s Vi s t a : 1 Click Start . 2 In the Start Search box, type System Restore and press <Enter>. NOTE: The User Account Control window may appear . If you are an administrator on the computer , click Continue ; otherwise, contact your administrator to continue the desired action.
80 T roubl eshooting Use Dell PC Restore (W indows XP) or Dell F actory Image Restor e (Windows V ist a) only as the last method to restor e your operating system. These option s restore your har d drive to the operating state it was in when you purchased the computer .
T roubleshooting 81 Dell PC Restore enables you to r estore your hard drive to the operating st ate it was in when you purchased your computer . It is recommended that you do not r emove PC Restore from your computer , even to gain additional hard-drive space.
82 T roubl eshooting NOTICE: If you do not want to proceed with Factory Image Restore, click Cancel . 7 Click the checkbox to confirm that you want to cont inue reformatting the har d drive and restoring the system software to the fact ory condition, then click Next .
T roubleshooting 83 NOTE: The next steps change the boot seq uence for one time only . On the next start-up, the computer boots according to the devices specifie d in the sy stem setup program. 5 When the boot device list appears, highlight CD/D VD/CD-RW Drive and press <Enter>.
84 T roubl eshooting.
Removing and Installing Parts 85 Removing and Installing Parts Before Y ou Begin This chapter provides procedures for r emoving and installing the components in your computer . Unless otherwise noted, each procedure assumes th at a component can be r eplaced by performing the removal procedur e in reverse order .
86 Removing and Installing Parts NOTICE: When disconnecting a cable, pull on the cable’ s connector or its strain-re lief loop, not on the cable itself. Some cables have connectors with lo cking tabs; before disconnecting this ty pe of cable, press inward on the locking tabs to release the connector .
Removing and Installing Parts 87 NOTICE: Ensure that sufficient space exists to support the removed cover—at least 30 centimeters (1 foot) of desktop space. 3 W ith the cover release latch pulled back, grip the side s of the cover , then pivot the top of the cover up and away from the computer .
88 Removing and Installing Parts Inside View of Y our Computer 1 optical drive bay s (4) 2 floppy drive/media card reader 3 hard drive bay s (4) 4 card fan 5 front fan 1 3 4 5 2.
Removing and Installing Parts 89 Sy stem Board Components 1 white memory module connectors (DIMM_1-2) 2 black memory module connectors (DIMM_3-4) 3 hard drive fan connector (F AN_HDD) 4 IDE drive conn.
90 Removing and Installing Parts Memory Y ou can increase your computer memory by ins talling memory modules on the system board. Y our computer supports DDR2 memory . F or additional information on the type of memory supported by your computer , see "Memory" on page 161.
Removing and Installing Parts 91 – A pair of matched memory modules installed in DIMM connectors 1 and 2 and another matched pair installed in DIMM connectors 3 and 4 NOTICE: Do not install E CC memory modules.
92 Removing and Installing Parts Installing Memory CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide .
Removing and Installing Parts 93 NOTICE: T o avoid damage to the memory module, press the modul e straight down into th e connector while you apply equal force to ea ch end of the module. 5 Insert the module into the connector unt il the module snaps into position.
94 Removing and Installing Parts Cards CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide .
Removing and Installing Parts 95 Removing PCI and PCI Express Cards NOTICE: T o avoid electrostatic discharge a nd damage to internal components, gr ound yourself by using a wrist grounding strap or by periodic ally touching an unpainted metal surface on the computer chassis.
96 Removing and Installing Parts 6 P ress the release tab (if pr esent) on the system board connector as you grasp the car d by its top corners, and then ease the card out of the connector . NOTE: If the card is full length, press the release tab on the end of the alignment guid es on the fan bracket.
Removing and Installing Parts 97 Installing PCI and PCI Express Cards NOTICE: T o avoid electrostatic discharge a nd damage to internal components, gr ound yourself by using a wrist grounding strap or by periodic ally touching an unpainted metal surface on the computer chassis.
98 Removing and Installing Parts 5 Remove the filler bracket or e xis ting card (see "Removing PCI and PC I Express Car ds" on page 95) to create a car d-slot opening.
Removing and Installing Parts 99 NOTICE: Do not route card cables over or behind the cards. Ca bles routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment. NOTICE: An incorrectly attached graphics power cable may result in degraded graphics performance.
100 Removing and Installing Parts 13 Install any drivers requir ed for the card as described in the car d documentation. NOTE: If you installed a sound card or a network adapter , see "Network Ad apter and Sound Card Settings" on page 105.
Removing and Installing Parts 101 5 Disconnect any cables connected to the card. 6 P ress down the tab on the top of the card r etainer at the appropriate card slot and pivot the card retainer back through the chassis wall.
102 Removing and Installing Parts 8 Install a filler bracket in the empty car d-slot opening. If you are replacing the car d, see "Installing a PCI Express Graphics Car d in a Dual Configuration" on page 102. NOTE: Installing filler brackets over em pty card-slot openings is necessary to maintain FCC certification of the computer .
Removing and Installing Parts 103 The PCI Express x1 car d slot is no t available for use if a graphics ca rd is installed in each of the PCI Express x16 car d slots in a dual graphics card config uration.
104 Removing and Installing Parts 5 Remove the filler bracket or e xisting graphics car d (see "Removing a PCI Express Graphics Car d from a Dual Configuration" on page 100) to create a car d-slot opening.
Removing and Installing Parts 105 NOTICE: T o connect a network cable, first pl ug the cable into the network port or device and then plug the cable into the computer . 12 If present, lower the car d retention device that lays over the installed car ds and snap it into place.
106 Removing and Installing Parts If you installed an add-in network adapter and wa nt to disable the integrated network adapter: 1 Enter system setup (see "Entering System Setup" on page 166), select Integrated NIC Controller , and then change the setting to Off .
Removing and Installing Parts 107 About Serial A T A Drives Y our computer supports up to four serial A T A hard d rives and two serial A T A optical drives.
108 Removing and Installing Parts When connecting a SA T A cable, hold the cable by t he connector at each end and press firmly into the connector . When disconnecting a SA T A cable, hold th e cable by the connector at each end and pull until the connector detaches.
Removing and Installing Parts 109 4 P ress the blue tabs on each side of the hard drive brack et toward each other and slide the drive up and out of the hard-drive bay .
110 Removing and Installing Parts 5 Ensure that all connectors ar e pr operly cabled and firmly seated. 6 Replace the computer cover (see "Repl acing the Computer Cover" on page 159). NOTICE: T o connect a network cable, first plug the cable into the network port or device and then plug it into the computer .
Removing and Installing Parts 111 4 P repare the new har d drive for installation and chec k the documentation for the hard drive to verify that the drive is config ured for your computer .
112 Removing and Installing Parts NOTICE: Ensure that all connectors are pr operly cabled and firmly seated. 7 Connect the power cable to the hard drive.
Removing and Installing Parts 113 9 Replace the computer cover (see "Repl acing the Computer Cover" on page 159). NOTICE: T o connect a network cable, first plug the cable into the network port or device and then plug it into the computer . 10 Connect the computer and devices to el ectrical outlets, and turn them on.
114 Removing and Installing Parts 3 Grasp the drive release latch and slide it towar ds th e base of the computer until the drive panel snaps open. 4 Pivot the drive panel outwar d and lift it from its side hinges. 5 Set the drive panel aside in a secure location.
Removing and Installing Parts 115 4 Rotate the drive panel toward the computer unti l it snaps into place on the drive panel. 5 Replace the computer cover (see "Repl acing the Computer Cover" on page 159). See the documentation that came with the drive for instructions on installing any software r equired for drive operation.
116 Removing and Installing Parts 5 Slide the drive release latch towar ds the base of the computer to release the shoulder screw , and then slide the drive out of the drive bay .
Removing and Installing Parts 117 6 Replace the drive panel (see "Replaci ng the Drive P anel" on page 114). 7 Replace the computer cover (see "Repl acing the Computer Cover" on page 159). NOTICE: T o connect a network cable, first plug the cable into the network port or device and then plug it into the computer .
118 Removing and Installing Parts 6 Slide the floppy drive into the driv e bay until it clicks into place. 7 Connect the power and data cables to the back of the floppy drive.
Removing and Installing Parts 119 8 Check all cable connections and fold cables out of th e way to avoid blocking airflow between the fan and cooling vents. 9 Replace the drive panel (see "Replaci ng the Drive P anel" on page 114). 10 Replace the computer cover (see "Repl acing the Computer Cover" on page 159).
120 Removing and Installing Parts 5 Slide the drive release latch towar ds the base of the computer to release the shoulder screw , and then slide the media card r eader out of the drive bay .
Removing and Installing Parts 121 6 Replace the drive panel (see "Replaci ng the Drive P anel" on page 114). 7 Replace the computer cover (see "Repl acing the Computer Cover" on page 159). NOTICE: T o connect a network cable, first plug the cable into the network port or device and then plug it into the computer .
122 Removing and Installing Parts 6 Slide the Media Card Reader into the drive bay until it clicks into place. 7 Attach the power and data cables to the back of the Media Card Reader .
Removing and Installing Parts 123 8 Check all cable connections and fold cables out of th e way to avoid blocking airflow between the fan and cooling vents. 9 Replace the drive panel (see "Replaci ng the Drive P anel" on page 114). 10 Replace the computer cover (see "Repl acing the Computer Cover" on page 159).
124 Removing and Installing Parts 5 Slide the drive release latch towar ds the base of the computer to release the shoulder screw , and then slide the optical drive out of the drive bay .
Removing and Installing Parts 125 6 Replace the drive panel (see "Replaci ng the Drive P anel" on page 114). 7 Replace the computer cover (see "Repl acing the Computer Cover" on page 159). NOTICE: T o connect a network cable, first plug the cable into the network port or device and then plug it into the computer .
126 Removing and Installing Parts 6 If no screws ar e attached to the drive, check the ins ide of the drive panel for screws and, if screws ar e present, attach the scr ews to the new drive. 7 Gently slide the drive into the drive bay until you he ar a click or feel the drive securely installed.
Removing and Installing Parts 127 8 Attach the power and data cables to the optical drive. T o locate the system board connector , s ee "System Board Components" on page 89. 9 Check all cable connections and fold cables out of th e way to avoid blocking airflow between the fan and cooling vents.
128 Removing and Installing Parts Processor Airflow Shroud CAUTION: Before you perform this procedure, follow the safety instruc tions located in the Product Information Guide . Removing the Processor Airflow Shroud Assembly 1 F ollow the procedures in "Befor e Y ou Begin" on page 85.
Removing and Installing Parts 129 Installing the Processor Airflow Shroud Assembly 1 F ollow the procedures in "Befor e Y ou Begin" on page 85. 2 Remove the computer cover (see "Remov ing the Computer Cover" on page 86). 3 Align the hinge slots on the processor airflow shro ud with the hinge guides on the system board.
130 Removing and Installing Parts 6 Lift the socket r elease lever and open the processor cover . 7 Remove the processor from the socket. Leave the release lever extended in the r elease posi tion so that the socket is ready for the new processor .
Removing and Installing Parts 131 3 Align the pin-1 corner of the processor and socket. NOTICE: Socket pins are delicate. T o avoid damage, ensure tha t the processor is aligned properly with the socket, and do not use excessive force when you install the processor .
132 Removing and Installing Parts Fans Removing the Card Fan 1 F ollow the procedures in "Befor e Y ou Begin" on page 85. 2 Remove the computer cover (see "Remov ing the Computer Cover" on page 86). 3 Remove any full-length expansion car ds (see "Rem oving PCI and PCI Express Car ds" on page 95).
Removing and Installing Parts 133 6 In succession, carefully pull on each corner of the fa n to detach the rubber grommets securing the fan to the fan cage.
134 Removing and Installing Parts Installing the Card Fan NOTICE: Ensure the fan cable is co rrectly routed through the opening in the lower -right corner of the fan cage.
Removing and Installing Parts 135 2 Insert the tabs along the bottom of the fan cage into the corresponding slots on the cage housing, then rotate the fan cage forward until it snaps into place. 3 Connect the fan cable to the F AN_CAGE conne ctor on the system board (see "System Board Components" on page 89).
136 Removing and Installing Parts 4 Remove the processor airflow shroud (see "Remov ing the P rocessor Airflow Shroud Assembly" on page 128).
Removing and Installing Parts 137 2 Replace the processor airflow shroud (see "Instal ling the P rocessor Airflow Shroud Assembly" on page 129). 3 Connect the fan cable to the F AN1_CPU conne ctor on the system board (see "System Boar d Components" on page 89).
138 Removing and Installing Parts Installing the Optional Hard Drive Fan 1 Slide the fan between the hard driv e bays until it snaps into place. 2 Connect the fan cable to the F AN_HDD connect or on the system board (see "System Board Components" on page 89).
Removing and Installing Parts 139 Sy stem Board CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide Removing the Sy stem Board NOTICE: The sy stem board and metal tray are connected and are removed as one piece.
140 Removing and Installing Parts NOTICE: If you are replacing the sy stem boa rd, visually compare the replacemen t sy stem board to the existing sy stem board to make sure that you have th e correct part.
Removing and Installing Parts 141 NOTE: Jumper settings on replacement sy s tem boards are preset by the factory . 1 T ransfer components from the existing system boar d to the replacement system boar d, if applicable. 2 Orient the system board assembly by aligning the notches on the bottom of the assembly with the tabs on the computer .
142 Removing and Installing Parts Power Supply (PSU) DC Connector Pin Assignments DC Power Connector P1 13 14 15 16 17 18 19 20 21 22 23 24 23 4 1 5 6 7 8 9 10 11 12.
Removing and Installing Parts 143 1-KW Power Supply 750-KW Power Supply Pin Number Signal name 18-A WG Wire C olor Signal name 18-A WG Wire Color 1 +3.
144 Removing and Installing Parts DC Power Connector P2 19 COM Black COM Black 20 N/C N/A N/C N/A 21 +5 VDC/SE Red +5 VDC/SE Red 22 +5 VDC Red +5 VDC Red 23 +5 VDC Red +5 VDC Red 24 COM Black COM Blac.
Removing and Installing Parts 145 6 +12 V A DC Y ellow +12 V A DC Y ellow 7 COM Black COM Black 8 COM Black COM Black 9 +12 VB DC/SE White +12 VB DC/SE White 10 +12 VB DC White +12 VB DC White 11 +12 .
146 Removing and Installing Parts DC Power Connector P3 (Graphics Card) DC Power Connector P4 (Graphics Card) 1-KW Power Supply 750-KW Power Supply Pin Number Signal name 18-AWG Wire Color Signal name.
Removing and Installing Parts 147 NOTE: The P3 and P4 connectors are in tended for use with the PCI Expr ess graphics cards whose power requirements exceed 75 watts.
148 Removing and Installing Parts DC Power Connector P6 and P7 (BA Y1 and Bay2) DC Power Connectors P8 and P9 (HDD0 and HDD1) 1-KW Power Supply 750-KW Power Supply Pin Number Signal name 18-A WG Wire .
Removing and Installing Parts 149 DC Power Connectors P10-P13 (HDD2 and HDD5) DC Power Connectors P14 (Peripheral) 1-KW Power Supply 750-KW Power Supply Pin Number Signal name 18-A WG Wire C olor Signal name 18-A WG Wire Color 1 +3.
150 Removing and Installing Parts DC Power Connector P15 (Graphics Card – 1-KW PSU Only) 4 +3.3 VDC Orange +3.3 VDC Orange 5 +5 VDC Red +5 VDC Red 6 +12 VC DC Blue/White +12 VD DC Y ellow/White Pin .
Removing and Installing Parts 151 DC Power Connector P16 (Graphics Card – 1-KW PSU Only) NOTE: The P15 and P16 connectors are in tended for use with the PCI Expres s graphics cards whose power requirements exceed 75 watts. Removing the Power Supply 1 F ollow the procedures in "Befor e Y ou Begin" on page 85.
152 Removing and Installing Parts 7 Remove the hard drive bays from the chassis. 8 Remove the four screws that attach the pow er supply to the back of the computer chassis. 9 Gather the power supply bundles that stem from the power supply , for easy removal.
Removing and Installing Parts 153 10 Slide the power supply towards the front of the comp uter to fr ee it from the securing tabs on the computer chassis. 11 Slide the power supply toward the har d drive bay area, so that it will clear th e protruding lip of the chassis and lift the power supply from the computer .
154 Removing and Installing Parts Installing the Power Supply 1 Slide the power supply into place, ensuring that the tabs on the rear wall of the computer chassis latch into place. 2 Replace the four screws that secur e the pow er supply to the back of the computer chassis.
Removing and Installing Parts 155 Front I/O Panel Front I/O-Panel Components 1 external IEEE 1394 port 2 external USB po rts (2) 3 power , diagnostics, hard drive, and network activity LEDs 4 headphon.
156 Removing and Installing Parts Removing the Front I/O Panel CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide . 1 F ollow the procedures in "Befor e Y ou Begin" on page 85.
Removing and Installing Parts 157 8 Remove the four mounting screws from the I/O panel. 9 Lift to remove the I/O panel from the computer . Installing the I/O Panel CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide .
158 Removing and Installing Parts T o replace the battery : 1 Record all the scr eens in system setup (see "Syste m Setup" on page 166) so that you can restore the correct settings after the new battery has been installed. 2 F ollow the procedures in "Befor e Y ou Begin" on page 85.
Removing and Installing Parts 159 Replacing the Computer Cover CAUTION: Before you begin any of the procedures in this section, follow the sa fety instructions in the Product Information Guide . CAUTION: Y our computer is heavy and can be difficult to maneuver .
160 Removing and Installing Parts 4 P ress down on the cover until it clicks into place. NOTE: The computer cover should easily snap into place; however , if necessary , pull back on the cover release latch until the cove r is completely closed, then slide the rele ase latch forward to secure the cover .
Appendix 161 Appendix Specifications Processor P rocessor type Intel ® Core™ 2 Duo (dual-cor e processor) Intel ® Core™ 2 Extr eme (dual-core processor) Intel ® Core™ 2 Extr eme (quad-core pr.
162 Appendix Audio T ype HDA 7.1 channel Expansion Bus Bus type PCI Express x1 and x16 PCI 32-bit PCI (SLOT3, SLOT5, SLOT6) Connector three Connector size 124 pins Connector data width (maximum) 32 bi.
Appendix 163 Drives A vailable devices Serial A T A drive, floppy drive, memory devices, Blu-ray™ Disc drive, D VD drive, DVD-R W drive, CD-RW/D VD combo drive, and media card r eader Externally accessible: two 3.5-inch drive bays four 5.25-inch drive bays Internally accessible: four 3.
164 Appendix Network activity light (front panel) soli d gr een indicates network connection Link integrity light (on integrated network adapter) green light — A good connection e xists between a 10-Mbps network and the computer . orange light — A good connection ex ists between a 100-Mbps network and the computer .
Appendix 165 Phy sical Height W ithout stand 55.5 cm (21.9 inches) W ith stand 57.2 cm (22.5 inches) Wi d t h W ithout stand 21.9 cm (8.6 i n ches) W ith stand 35.6 cm (14.0 inches) Depth 59.4 cm (23.4 inche s) We i g h t T ypical configuration 21.7 kg (47.
166 Appendix Sy stem Setup Overview Use system setup as follows: • T o change the system configuration information after yo u add, change, or remove any hardwar e in your computer • T o set or cha.
Appendix 167 Sy stem Setup Options NOTE: Depending on your comp uter and installed devices, th e items listed in this secti on may not appear , or may not appear exactly as listed. Options List — This field appears on the left side of the system setup window .
168 Appendix Boot Sequence The computer attemp ts to boot from the sequence of devices specified in this list. NOTE: If you insert a boot device and restar t the computer , this option appears in the sy stem setup menu.
Appendix 169 Integrated Audio ( On default) Enables or disables the onboard audio controller . • Off — Integrated audio is disabled. • On — Integrated audio is enabled. USB Controller ( On default) Enables or disables the internal USB controller .
170 Appendix Advanced Displays processor type and curr ent BIOS settings for processor clock speed, processor multiplier , front side bus (FSB ) clock, and CPU cor e voltage. These settings may have been set by performa nce tuning applications or may change depending on settings in performance applications that you have installed.
Appendix 171 P assword Changes ( Unlocked default) This option locks the system password field with the administrator (admin) password. NOTE: When the sy stem password field is lo cked, you can no longer disable password security by pressing <Ctr l><Enter> when the computer starts.
172 Appendix Maintenance Service T ag Displays the system service tag. SERR Message ( On default) Controls the SERR message mechanism. Some graphics cards r equire that the SERR Message mechanism be disabled. • Off — Do not use the SERR message mechanism .
Appendix 173 Boot Sequence This feature allows you to change the boot sequence for the bootable devices installed on your computer . Option Settings • Diskette Drive — The computer attempts to boot from the flopp y drive.
174 Appendix 4 At the Boot Device Menu , use the up- and down-arrow keys or pr ess the appropriate number on the keyboar d to highlight the device that is to be used for the current boot only , and then press <Enter>. F or example, if you ar e booting to a USB memory key , highlight USB Flash Device and press <Enter>.
Appendix 175 6 After the Microsoft ® W indows ® desktop appears on your co mputer , turn the computer off: a Save and close all open files and exit all open programs. b Shut down the operating system: • In Windows XP , click Start → T urn Off Computer → Tu r n o f f .
176 Appendix 4 Remove the password jumper plug , then place the plug on the CMOS jumper pins and wait approximately 5 seconds. NOTICE: The password jumper plug must be reinstalled on the password jumper pins in order to enable the password feature.
Appendix 177 5 Recenter the rollers in their channels if they are misal igned. Ensur e that fluff from the swab is not left on the rollers. 6 Replace the ball and retainer ring, and turn the r e tainer ring clockwise until it clicks into place. Floppy Drive NOTICE: Do not attempt to clean drive heads with a swab.
178 Appendix Class A This equipment has been tested an d found to comply with the limi ts for a Class A digital device pursuant to P art 15 of the FCC Rules. These limits are designed to provide r easonable protection against harmful interference when the equi pment is operated in a commercia l environment.
Appendix 179 Contacting Dell Y ou can contact Dell throug h the Internet and by phone: • F or support through the web, go to support.dell.com . • F or worldwide support through the web, use the Choose A Country/Region menu near the bottom of the page, or see the web addresses listed in the following table.
180 Appendix Argentina (Buenos Aires) International Access Code: 00 Country Code: 54 City Code: 11 Online Support www .dell.com.ar E-mail for Desktops and P ortables la-techsupport@dell.com E-mail for Servers and EMC ® Storage P roducts la_enterprise@dell.
Appendix 181 Austria (V ienna) International Access Code: 900 Country Code: 43 City Code: 1 Online Support support.euro .dell.com tech_support_central_europe@dell.
182 Appendix Brazil International Access Code: 00 Country Code: 55 City Code: 51 Online Support www .dell.com/br BR_T echSupport@dell.com Customer Service and T ech Support 0800 970 3355 T echnical Su.
Appendix 183 Canada (North Y ork, Ontario) International Access Code: 011 Online Order Status www .dell.ca/ostatus Online Support support.ca.dell.com AutoT ech (automated Hardware and W arranty Suppor.
184 Appendix China (Xiamen) Country Code: 86 City Code: 592 Online Support support.dell.com.cn T echnical Support E-mail support.dell.com.cn/email Customer Service E-mail customer_cn@dell.
Appendix 185 Costa Rica Online Support www .dell.com/cr la-techsupport@dell.com T echnical Support, Customer Service, Sales 0800-012-0231 Czech Republic (P rague) International Access Code: 00 Country Code: 420 Online Support support.euro .dell.com czech_dell@dell.
186 Appendix El Salvador Online Support www .dell.com/sv la-techsupport@dell.com T echnical Support, Customer Service, Sales 800-6132 F inland (Helsinki) International Access Code: 990 Country Code: 358 City Code: 9 Online Support support.euro .dell.com fi_support@dell.
Appendix 187 Germany (F rankfurt) International Access Code: 00 Country Code: 49 City Code: 69 Online Support support.euro .dell.com tech_support_central_europe@dell.
188 Appendix Hong Kong International Access Code: 001 Country Code: 852 Online Support support.ap.dell.com support.dell.com.cn/email T echnical Support – XPS computers only 00852-3416 6923 T echnica.
Appendix 189 India Online Support support.ap.dell.com P ortable and Desktop Support Desktop Support E-mail india_support_desktop@dell.com P ortable Support E-mail india_support_notebook@dell.com Phone Numbers 080-25068032 or 080-25068034 or your city STD code + 60003355 or toll-free: 1-800-425-8045 Server Support E-mail india_support_Server@dell.
190 Appendix Ireland (Cherrywood) International Access Code: 00 Country Code: 353 City Code: 1 Online Support support.euro .dell.com dell_direct_support@dell.
Appendix 191 Italy (Milan) International Access Code: 00 Country Code: 39 City Code: 02 Online Support support.euro .dell.com Home and Small Business T echnical Support 02 577 826 90 Customer Service .
192 Appendix Japan (Kawasaki) International Access Code: 001 Country Code: 81 City Code: 44 Online Support support.jp.dell.com T echnical Support – XPS computers only toll-free: 0120-937-786 T echni.
Appendix 193 Korea (Seoul) International Access Code: 001 Country Code: 82 City Code: 2 Online Support support.ap.dell.com T echnical Support for XPS computers only toll-free: 080-999-0283 T echnical .
194 Appendix Mexico International Access Code: 00 Country Code: 52 Online Support www .dell.com/mx la-techsupport@dell.com T echnical Support 001-866-563-4425 Sales 50-81-8800 or 001-800-888-3355 Cust.
Appendix 195 Nicaragua Online Support www . dell.com/ni la-techsupport@dell.com T echnical Support, Customer Service, Sales 001-800-220-1377 Norway (L ysaker) International Access Code: 00 Country Code: 47 Online Support support.
196 Appendix Pue rt o Ri co Online Support www .dell.com/pr la-techsupport@dell.com T echnical Support toll-free: 1-866-390-4695 or 1-866-851-1760 Customer Service and Sales 1-877-537-3355 St. Kitts and Nevis Online Support www .dell.com/kn la-techsupport@dell.
Appendix 197 Slovakia (P rague) International Access Code: 00 Country Code: 421 Online Support support.euro .dell.com czech_dell@dell.com T echnical Support 02 5441 5727 Customer Service 420 22537 270.
198 Appendix Sweden (Upplands V asby) International Access Code: 00 Country Code: 46 City Code: 8 Online Support support.euro .dell.com T echnical Support for XPS computers only 77 134 03 40 T echnica.
Appendix 199 Thailand International Access Code: 001 Country Code: 66 Online Support support.ap.dell.com T echnical Support (OptiPlex, Latitude, and Dell P recision) toll-free: 1800 0060 07 T echnical.
200 Appendix U.K. (Bracknell) International Access Code: 00 Country Code: 44 City Code: 1344 Online Support support.euro .dell.com dell_direct_support@dell.
Appendix 201 U.S.A. (Austin, T exas) International Access Code: 011 Country Code: 1 Dell Services for the Deaf, Hard-of -Hearing, or Speech-Impaired toll-free: 1-877-DELL TTY (1-877-335-5889) Fa x toll-free: 1-800-727-8320 T echnical Support support.dell.
202 Appendix U.S. V irgin Islands Online Support www .dell.com/vi la-techsupport@dell.com T echnical Support, Customer Service, Sales toll-free: 1-877-702-4360 V enezuela Online Support www .
Glossary 203 Glossary T erms in this Glossary are provided for informational purposes only and may or may not describe features included with your particular computer . A AC — alternating current — The form of electricity that powers your computer when you plug the AC adapter power cable in to an electrical outlet.
204 Glossary bus — A communication pathway between the components in your computer . bus speed — The speed, given in MHz, that indicates how fast a bus can transfer information. byte — The basic data unit used by your computer . A byte is usually equal to 8 bits.
Glossary 205 disk striping — A technique for spr eading data over multiple disk drives. Disk striping can speed up operations that retrieve data from disk storage. Computers that use disk striping generally allow the user to select the data unit size or stripe width .
206 Glossary Express Service Code — A numeric code located on a sticker on your Dell™ comp uter . Use the Express Service Code when contacting Dell for assistance.
Glossary 207 Hz — hertz — A unit of freq uency measur ement that equals 1 cycle per second. Computers and electronic devices ar e often measured i n kilohertz (kHz), megahertz (MHz), gigahertz (GHz), or terahertz (THz).
208 Glossary MB — megabyte — A measurement of data storage that equals 1,048,576 bytes. 1 MB equals 1024 KB. When used to refer to har d drive storage, the term is often rounded to 1,000,000 bytes. MB/sec — megabytes per second — One million bytes per second.
Glossary 209 logical drives. Each partition can contain multiple logical drives. PC Card — A removable I/O car d adhering to the PCMCIA standard. Modems and network adapters ar e common types of PC Cards.
210 Glossary ROM — read-only memory — Memory that stor es data and programs that cannot be deleted or written to by the computer . ROM, unlike R AM, retains its contents after you shut down your computer . Some programs essential to the operation of your computer reside in ROM.
Glossary 211 SVGA — super -video graphics array — A video standard for video cards and controllers. T ypical SVGA resolutions are 800 x 600 and 1024 x 768.
212 Glossary faster than system memory . The amount of video memory installed primarily influences the number of colors that a program can display . video mode — A mode that describes how text and graphics are displayed on a monitor .
Index 213 Index A audio . See sound B battery problems, 5 3 replacing, 1 5 7 BDs about, 3 8 beep codes, 69 BIOS, 166 boot sequence c h a n g i n g , 173-174 option settings, 1 7 3 booting to a USB dev.
214 Index 214 Index drivers about, 7 5 identifying, 7 5 reinstalling, 7 6 Drivers and Utilities Media, 76 drives problems, 5 3 RA I D , 2 9 dual graphics technology , 49 dual monitors, 23 DV D s about.
Index 215 memory (continued) installing, 9 2 problems, 5 9 removing, 9 3 type supported, 9 0 messages error , 5 6 system, 7 0 Microsoft W indows label, 10 modem problems, 5 5 monitor blank, 6 3 clone .
216 Index 216 Index processor t y p e , 161 P roduct Information Guide, 9 Q QuickSet, 51 R R AID configuring, 2 9 RAID array , creating, 34 regulatory information, 9 reinstalling W indows Vista, 7 8 W indows XP , 7 8 Removing, 123 S safety instructions, 9 Scalable Link Interface technology , 49 scanner problems, 6 2 screen.
Index 217 W warranty information, 9 W indows Vista Device Driver Rollback, 7 6 F actory Image Restore, 8 0 Help and Support, 1 1 hibernate mode, 4 7 Network Setup W izard, 4 2 r e i n s t a l l i n g .
218 Index 218 Index.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Dell 720 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Dell 720 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Dell 720 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Dell 720 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Dell 720, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Dell 720.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Dell 720. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Dell 720 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
