Manuale d’uso / di manutenzione del prodotto DM3 del fabbricante HP (Hewlett-Packard)
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HP Pavilion dm3 Entertainment PC Maintenance and Service Guide.
© Copyright 2010 Hewlett-Packard Development Company, L.P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Microsoft, Windows, and Windows Vista are U.S. registered trademarks of Microsoft Corporation.
Safety warning notice WARNING! To reduce the possibility of heat-related inju ries or of overheating the computer, do not place the computer directly on you r lap or obstruct the computer air vents.
iv Safety warning notice.
Table of contents 1 Product description .................... .............. ............... ............ ............... .............. .............. ... 1 2 External component identification ............... ............. ............ ............ ..
Packaging and transpo rting guidelines ........................................ 31 Workstation gu idelines .............................................................. 31 Equipmen t guidel ines ........ .......... ............ ............ .........
6 Specifications ......................................... ................................ ................................. ... ..... 83 Computer s pecifications ............. ......... ........... ......... ........... ........... .......... ......
viii.
1 Product description Category Descript ion Product Name HP Pavilion dm3 Entertainment PC Processo rs AMD Athlon™ II Neo Processor K125 (1.7GHz, 1M L2 cache) AMD Athlon™ II Neo Dual-Core Proces sor K325 (1.3GHz, 2M L2 cac he) AMD Turion™ II Neo Dual-Core Mobile Processo r K625 (1.
Category Descript ion Hard dr ives ● Supports 9.5-mm , 6.35-cm (2.5-inch) hard drives ● Serial ATA (SATA) ● HP ProtectSmart Hard Drive Protection Customer-acces sible 640-GB, 5400-rpm 500-GB, 72.
Category Descript ion External media card Digital Media Slot, supporting the following optional digital card formats: ● MultiMediaCard (MMC) ● Secure Digital (SD) M emory Card ● Secure Digital H.
Category Descript ion ● Windows 7 Premium (64-bit) ● Windows 7 Professional (32 -bit) ● Windows 7 Professional (64 -bit) Microsoft® Office preinstalled on: ● Windows 7 Home Basic (32-bit and .
2 External component identification Top components Display components Item Component Function (1) Internal microphones (2) Record sound. (2) Webcam light On: The webcam is in use.
Keys Item Component Function (1) esc key Displays system information when pressed in combination with the fn key. (2) Action keys Execute frequently used system functions. (3) num lk key Enables/disables the embedded numeric keypad when pressed in combination with the fn key.
Lights Item Component Description (1) Caps lock light On: Caps lock is on. (2) Mute light On: Computer so und is off. (3) Num lk light On: The embedded nu meric keypad is enabled or num lock is on for an option al external numeric keypad.
TouchPad components Item Component Function (1) TouchPad light ● White: TouchPad is enabled. ● Amber: TouchPad is disabled. (2) TouchPad zone Moves the pointer and selects or activates item s on the screen. (3) Left TouchPad button Functions like the left button on an external mouse.
Front components Item Component Function (1) Speakers (2) Produce sound. (2) Battery ligh t ● On: A battery is charging. ● Blinking: A battery that is the only available power source has reached a low battery level. When the battery reaches a critical battery level, the battery light begins blinking rapidly.
Item Component Function (5) HDMI port Connects an optional video or audio device, such as a high-definition television, or any compatible digital or audio component. (6) USB ports (2) Connect optional USB devices. NOTE: Select models can be configured with an optional external USB optical disc drive.
Item Component Function (2) Power switch ● When the computer is off, slide the power swit ch to turn on the computer. ● When the computer is on, briefly slide the power switch to exit Sleep. ● When the computer is in the Sleep stat e, briefly slide the power switch to exit Sleep.
Bottom components Item Component Function (1) Subscriber identity module (SIM) slot (sel ect models only) Located inside the battery bay. (2) Battery bay Holds the battery and contains the SIM slot. NOTE: The battery is preinstalled in the battery bay at the factory.
Item Component Function (5) Memory module compartment Contains the memory modu le slot (2 slots on select models) and a wireless LAN module. NOTE: To pr event an unresp onsive sy stem, re place the wi.
Wireless antennas NOTE: Your computer may look sligh tly different from the illustration in this section Item Component Function (1) WWAN antennas (2)*(select mode ls only) Send and receive wirele ss signal s to communi cate w ith wireless wide-area networks (WWAN).
Additional hardware components Item Component Function (1) Power cord* Connects the AC adapter. (2) AC adapter Converts AC power to DC power. (3) Battery* Powers the computer when the comp uter is not plugged into external power. *Batteries and power cords vary in appearance by region or country.
3 Illustrated parts catalog Serial number label When ordering parts or requesting information, provide the co mputer serial number and model description provided on the serial number label. (1) Product name: This is the product name affixed to the front of the computer.
Serial number label 17.
Computer major components Item Description Spare part number (1) Display assembly 33.8-cm (13.3-in) HD Brightview (1366x768) IMR/MA 600823-001 33.8-cm (13.
Item Description Spare part number Display asse mbly internal co mponents (not illustrated): Display bezel 600824-001 Display hinges 589629-001 33.8-cm (13.
Item Description Spare part number UMA 581186-001 Discrete 581187-001 (8) USB/Power switch board (with cabl e) 611212-001 (9) Power and RJ-45 connector and cable 611214-001 (10) System board (includes embedded processor and replacement thermal) AMD Athlon™ II Neo Processor K125 (1.
Plastics kit Item Description Spare part number Plastics Kit 605181-001 (1) Hard drive bay access cover (2) Memory module compartme nt cover (includes 2 captive screws , secured with C-clips) Plastics.
Cable kit Item Description Spare part number (1) Cable kit 611214-001 Power DC cable RJ-45 cable Lid sensor cable LED board with cable 22 Chapter 3 Illustra ted parts ca talog.
Mass storage devices Item Description Spare part number (1) Hard drive (includes hard drive bracket and Mylar cover) 320GB 7200RPM 600827-001 500GB 7200RPM 600828-001 640G 5400RPM 605631-001 250GB, 72.
Miscellaneous parts Description Spare p art number AC adapter 609936-001 Power co rds: For use in Australia 490371-011 For use in Brazil 490371-201 For use in Denmark 490371-081 For use in Europe, the.
Sequential part number listing Spare part number Description 490371-001 Power cord for use in North America 490371-011 Power cord for use in Australia 490371-021 Power cord for use in Europe, the M id.
Spare part number Description 598859-001 2048-MB memory module (PC3, 1066-MHz) 599092-001 1024-MB memory module (PC3, 1066-MHz) 600370-002 WLAN b/g/n + Bluetooth HMC Com bo Matador 600818-001 System board equipped with UMA graph ics subsystem and AMD Athl on™ II Neo Processor K125 (1.
Spare part number Description 605630-221 Keyboard for use in the Czech Repu blic (includes cable and 2 retention clips) 605630-251 Keyboard for use in Russia (includes cable and 2 retention clips) 605.
4 Removal and replacement procedures Preliminary replacement requirements Tools required You will need the following tools to comple te the removal and replacement procedures: ● Magnetic screwdriver.
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Impr oper cable placement ca n damage the comput er. Cables must b e handled with extre me care to avoid damage.
Grounding guidelines Electrostatic discharge damage Electronic componen ts are sens itive to electrostati c discharge (ESD). Circuitry design and structure determine the degree of sensitiv ity.
Packaging and transp orting guidelines Follow these grounding guidelines when packagin g and transporting equipment: ● To avoid hand co ntact, transport pr oducts in static-safe tube s, bags , or boxes. ● Protect ESD-sensitive part s and assemblies with co nductive or approved co ntainers or packaging.
Equipment guidelines Grounding equipment must include either a wrist st rap or a foot strap at a grounded workstation. ● When seated, wear a wrist strap connected to a gr ounded system. Wrist straps are flexible straps with a minimum of one megohm ±10% resistance in the ground cords.
Component replacement procedures This chapter provides remova l and replacement procedures. There are as many as 56 screws, in 6 different size s, that must be removed, replaced, o r loosened when servicing the co mputer. Make special note of each screw size and location during removal and replacement.
34 Chapter 4 Removal an d replacement procedures.
Computer feet The computer feet are adhesive-bac ked rubber pads. The feet are includ ed in the Rubber Kit, spare pa rt number 580697-001 . There are 4 rubber feet that a ttach to the base enclosure in the locations shown in the following illustration.
Battery Description Spare p art number Battery 6-cell, 2.58-Ah (57-Wh) polymer battery 577093-001 Before disass embling the computer, follow these steps: 1. Shut down the computer. If you ar e unsure whether th e computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
SIM NOTE: The SIM is provided by the end user a s a security measu re for the WWAN module. The SIM should be removed, placed into a static-dissipative container, and th en replaced when the computer is reassembled. Before removing the SIM, follow these steps: 1.
Hard drive NOTE: The hard drive spare part kit inc ludes a hard drive bracket, hard drive connector, and Mylar cover. Description Spare p art number 250GB,7200RPM 580680-001 320GB,7200RPM 600827-001 5.
3. Lift the right side (2) of the hard drive cover to detach it from the computer. 4. Remove the two Phillips PM2.0x4. 0 screws t hat secure the hard drive to the computer . 5. Lift up the hard drive tab from the tucked-in position. 6. Pull the tabs to the left to disconnect the hard drive.
7. Grasp both tabs and lift straight up to remove it. Reverse this procedure to r easse mble and install the hard drive. 40 Chapter 4 Removal an d replacement procedures.
WWAN module Description Spare p art number UNDP HSPA EVDO Birlion MINICARD WW AN module 531993-00 1 Before removing the WWAN modu le, follow these s teps: 1. Shut down the computer. If you ar e unsure whether th e computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
3. Remove the two Phillips PM2.5x3.0 screws t hat secure the WWAN module t o the computer. (The WWAN module tilts up.) 4. Remove the WWAN mod ule (3) by pulling it away from the slot at an angle. NOTE: WWAN modules are designed with a notc h to prevent incorrect inse rtion of the WWAN module into the WWAN module slot.
WLAN module Description Spare p art number WLAN 802.11b/g/n HLFre Medoc MOW 580101-001 WLAN 802.11b/g/n HLFre Medoc ROW 580101-002 WLAN 802.11 b/g/n Shiraz HMC 593836-001 WLAN b/g/n + Bluetooth HMC Combo Matador 600370-001 WLAN b/g/n (1x1) + Blu etooth HMC Combo Rashi 602992-001 Before removing the WLAN module, follow these step s: 1.
3. Lift the left side of the cover (3) to detach it from the computer. NOTE: The memory/wireless module compartment cove r is included in the Plastics Kit, spare part number 605181-001 . 4. Disconnect the WLAN antenna cables fr om the terminals on the WLAN module.
6. Remove the WLAN module by pulling it away from the slot at an angle. NOTE: WLAN modules are designed with a no tch to prevent incorrect inser tion of the WLAN module into the WLAN module slot.
Memory module Description Spare p art number 1-GB 800-MHz DDR2 598856-001 2-GB 800-MHz DDR2 598859-001 4-GB 800-MHz DDR2 599092-001 Before removing the memory module, follow these step s: 1.
2. Grasp the edge of the memory module (2) , and then pull it out of the memory module slot. NOTE: Memory modules are designed with a notch to prevent in correct insertion into the memory module slot. Reverse this procedure to install a memory modul e.
RTC battery Description Spare p art number RTC battery (includes cable and 2-sided tape) 611221-001 Before removing the RTC battery, follow these steps: 1. Shut down the computer. If you ar e unsure whether th e computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
Reverse this procedure to install the RTC battery. Component re placement procedures 49.
Keyboard NOTE: The keyboard spare part kit includes a cable and 2 retention c lips. Country or region Spare part number Count ry or region Spare part number For use in the United States 605630-001 For.
3. Turn the computer right-si de, up and open the display panel to a 90-degree angle. 4. Then position the computer so that the display is its base and the keyboard is in the upright position. 5. On the bott om of the comput er, press in on the k eyboard relea se tabs.
8. Slide the keyboard bac k un til it rests on the switch cover and display. 9. Carefully release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and then disco nnect the keyb oard cable (2) from the system board.
Top cover NOTE: The top cover spare part kit includ es a palm rest, TouchPad and cable, and TouchPad b utton board and cable. Description Spare p art number Top cover (includes TouchPad and TouchPad cable, caps lock light board and cable, and top cover bumper pads) 600830-001 Before removing the top cover, follow these steps: 1.
4. Turn the computer right-side up , an d disconnect the following cables: a. Top cover cable (1) from the board b. TouchPad cable (2) from the board c.
5. Remove the six Phillips PM2.5x6. 0 screws from the s heet metal. 6. Lift up on the front edge (1) of the top cover. 7. Pull up on the b ack edge (2) of the top cover to remove from the unit.
Bluetooth module NOTE: The Bluetooth modu le spare part kit does not in clude a Bluetooth module ca ble. The Bluetooth module cable is availa ble using spare part number 58 0702-001. Description Spare p art number Bluetooth module 537921-001 Before removing the Bluetooth module, fo llow these steps: 1.
Display assembly Description Spare p art number 33.8-cm (13.3-in) HD Brightview IMR/MA 600823-001 33.8-cm (13.3-in) HD Brightview IMR/MA WWAN 618438-001 Before removing the display assembly, follow these s teps: 1.
6. Disconnect and remove the camera ca ble (5) from the system board. CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can result in dama ge to the display assembly and other computer componen ts.
8. If it is necessary to replace th e display bezel or any of the disp lay assembly internal components: a. Remove the two rubber screw covers (1) and the two Phillips 2.
10. Remove the panel (2) from the enclosure. 11. If it is necessary to repl ac e the display hinges, remove th e six Phillips 2.5x3.0 screws (1) , and then slide the hinges (2) outward from the panel. 12. If it is necessary to re place the display pane l cable: a.
c. Disconnect the display panel cable (2) from the connector on the back of the display panel. The display pane l cable is availabl e us ing the spare part number 611216-001 . Reverse the procedure to replace the d isplay ca ble. 13. If it is necessary to replace the webcam, which is spared as 611217-001 and includes the cabl e: a.
b. Lift up on the hinge covers (3) . c. Remove the WLAN (1) and the WWAN (2) antennas from th e enclosu re. Reverse this procedure to in stall the wireless anten nas.
Speakers Description Spare p art number Speakers (include cables) 611220-001 Before removing the speakers, fo llow these steps: 1. Shut down the computer. If you ar e unsure whether th e computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
Front LED board Description Spare p art number Front LED board with cable (part of cables kit) 611214-001 Before removing the fron LE D board, follow these steps: 1. Shut down the computer. If you ar e unsure whether th e computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
USB/power switch board Description Spare p art number USB/power switch board (includes cable) 611212-001 Before removing the USB/power switch boar d, follow these steps: 1. Shut down the computer. If you ar e unsure whether th e computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
Reverse this procedure to inst all the USB/po wer switch bo ard. NOTE: When replacing th e USB board, mak e sure th at the wireless and power actuators on the board, line up with the wireless and power switches on the ba se enclosure.
System board NOTE: The system board sp are part kit includes replacement thermal material. Description Spare p art number AMD Athlon™ II Neo Process or K125 (1.7GHz, 1M L2 cache), U MA 600818-001 AMD Athlon™ II Neo Dual-Core Processor K325 (1 .3GHz, 2M L2 cache), UMA 600819-001 AMD Turion™ II Neo Dual-Core Mobile Proc essor K625 (1.
Remove the system board: 1. Disconnect the RJ-45 connector (1 ) from the enclosure. 2. Disconnect the power connector (2) from the enclosure. 3. Remove the five Phi llips PM2.
4. Lift up (1) on the right side of the system board, and then pull it to the right (2) to remove the system board from the base enclosure. Reverse this procedure to ins tall the system board.
Power and RJ-45 cable NOTE: The power and RJ-45 ca bles are i ncluded i n the Cable Ki t, spare part nu mber 611214-0 01. Before removing the power and RJ-45 cables , follow these st eps: 1.
Fan Description Spare p art number Fan 611219-001 NOTE: To properly ventilate the comput er, allo w at least a 7.6-cm (3-inch) clearance on the right side and rear panel of the computer.
3. Remove the fan (3) . Reverse this procedure to ins tall the fan. 72 Chapter 4 Removal an d replacement procedures.
Heat sink NOTE: The processor is s oldered onto the system bo ard. Thermal grease has been applied between the heat sink and the processo r, chipset, and gr aphics chipset.
3. Remove the heat sin k (3) . Reverse this procedure to ins tall the heat sink. 74 Chapter 4 Removal an d replacement procedures.
5 Setup Utility (BIOS) Starting Setup Utility Setup Utility is a ROM-based information and custom ization utility that c an be used even when your Windows operating system is not working. The utility reports information about the computer and provides settings for startup, secur ity, and other preferences.
Using Setup Utility Changing the language of Setup Utility The following procedur e explains how to change the la nguage of Setup Utility. If Setup Utility is not already running, begin at step 1. If Setup Utility is already runnin g, begin at step 2.
Display system in formation The following procedure explains how to display system information in Setup Utility. If Setup Utility is not open, begin at step 1. If Setup Utility is open, begin at step 2. 1. Open Setup Utility by turning on or restarting the computer.
Exiting Setup Utility You can exit Setup Utility with or without saving changes. ● To exit Setup Utility and save your changes from the cu rrent session: If the Setup U tility menus are not v isible, pre ss esc to return to the menu display. Then use the arrow keys to select Exit > Exit Saving Changes , and then press enter .
System Configuration menu Select To do this Language Support Change th e Setup Utility language. Button Sound (select models only) Enable/ disable the capacitive button tapping sound. Virtualization Technology (select model s only) Enable/disable the processor Virtualization Technolo gy.
Diagnostics men u Select To do this Primary Hard Disk Self Test Run a comp rehensive s elf-test on the hard drive. NOTE: On models with two hard drives, this menu option is called the Primary Hard Disk Self Test. Secondary Hard Disk Self Test (on select model s only ) Run a comprehensive self-tes t on the system memory.
Updating the BIOS Updated versions of the BIOS may be available o n the HP Web site. Most BIOS updates on the HP Web site are packaged in compressed files c alled SoftPaqs. Some download packages contain a file named Re adme.txt, which contains information regarding installing and troubleshooting the file.
To download a BIOS update: 1. Access the page on the HP Web site that provides software for your computer: Select Start > Help and Support > Maintain . 2. Follow the instructions on the screen to identify your computer and access the BIOS update you want to download.
6 Specifications Computer specifications Metric U.S. Dimensions Length 2340 cm 9.06 in Width 32.6 cm 12.83 in Height (front to back) 2.29 to 2.99 mm 0.90 to 1.1 8 in Weight 1.9 kg 4.19 lbs Input power Operating voltage 16.5 V dc @ 3.5 A - 65 W Operating current 3.
13.3-inch display specifications Metric U.S. Dimensions Height 17.8 cm 7.0 in Width 28.4 cm 11.2 in Diagonal 33.6 cm 13.3 in Number of colors Up to 16.8 million Contrast ratio 250:1 (typical) Bright ness 200 nits (typical) Pixel resolution Pitch 0.279 × 0.
Hard drive specifications 640-GB* 500-GB* 320-GB* 250-GB* 160-GB* 128-GB* SSD Dimensions Height 9.5 mm 9.5 mm 9.5 mm 9.5 mm 9.5 mm 9.5 mm Width 70 mm 70 mm 70 mm 70 mm 70 mm 70 mm Weight 105 g 101 g 1.
Blu-ray ROM DVD±RW SuperMulti Double-Layer Drive specifications Applicable disc Read Write BD-ROM, BD-ROM -DL, BD-R, BD- R-DL, BD-RE, BD-RE- DL, DVD- ROM, DVD+R, DVD+R-DL, DVD +RW, DVD-R, DVD-R-DL, DV D- RW, DVD-RAM (Ver.
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive specifications Applicable disc Read Write CD-DA, CD+(E)G, CD-MID I, CD- TEXT, CD ROM, CD-RO M XA, MIXED MODE CD, CD-I, CD-I Bridge (Photo-CD, Vide.
7 Backup and recovery Recovery after a system failure is as comp lete as your most c urrent backup. HP recommends tha t you create recovery discs immediately after software setup. As you add new software and data files, y ou should continue to back up your system on a regu lar basis to maintain a reasonably current backup.
Creating recovery discs HP recommends that you create recove ry discs to be sure that you can restor e your system to its original factory state if you experie nce serious sy stem failure or instability. Create these discs after setting up the computer for the first time.
Backing up your information As you add new software and data files , you should back up your system on a regular basis to maintain a reasonably current backup. Back up your system at the following times: ● At regularly scheduled times NOTE: Set reminders to back up yo ur information periodically.
Using Windows Backup and Restore To create a backup us ing Windows Back up and Restore, follow thes e steps: NOTE: Be sure that the computer is connected to AC power before you start the backup process. NOTE: The backup process may take over an hour, de pending on file size and the speed of the computer.
Restore to a previous date and time To revert to a restore point (created a t a previous date and time), when the computer was functioning optimally, follow these s teps: 1. Select Start > Control Panel > System and Security > System . 2. In the left pane, click System protection .
Recovering from the dedicated recovery partit ion (select models only) NOTE: Computers with an SSD may not ha ve a recovery partition. If the computer does not have a recovery partition, you will not be able to recover using this proced ure. Use the discs you created to recover your operating system and software.
8 Connector pin assignments Audio-in (microphone) Pin Sign al 1 Audio signal in 2 Audio signal in 3G r o u n d Audio-out (headphone) Pin Sign al 1A u d i o o u t , l e f t c h a n n e l 2A u d i o o u.
External monitor Pin Sign al 1 Red analog 2 Green analog 3 Blue analog 4N o t c o n n e c t e d 5G r o u n d 6 Ground analog 7 Ground analog 8 Ground analog 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC.
HDMI Pin Signal P in Signal 1 TMDS data 2+ 11 TMDS clock shield 2 TMDS data 2 shie ld 12 TMDS cloc k- 3 TMDS data 2- 13 CE C 4 TMDS data 1+ 14 No connect 5 TMDS data 1 shield 15 DDC clock 6 TMDS data .
RJ-45 (network) Pin Sign al 1 Transmit + 2 Transmit - 3 Receive + 4U n u s e d 5U n u s e d 6 Receive - 7U n u s e d 8U n u s e d Universal Serial Bus Pin Sign al 1 +5 VDC 2D a t a 3 Data + 4G r o u n.
9 Power cord set requirements The wide-range input feature of the computer permit s it to operate from a ny line voltage from 100 to 120 volts AC, or from 220 to 240 volts AC The 3-conductor power cord set in cluded with the computer me ets the requirem ents for use in the country or region where the equipment is purchased.
Requirements for specific countries and regions Country/region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DE MKO 1 Finland FIMKO 1 Fra.
10 Recycling Battery When a battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulati ons in your area for computer battery disposal. Display WARNING! The backlight contains mercury.
Perform the following steps: 1. Remove all screw covers (1) and screws (2) that secure the display bezel to the display assembly. 2. Lift up and out on the left and right inside edges (1) and the top and bottom inside edges (2) of the display bezel until the bezel dise ngages from the display a ssembly.
4. Disconnect all display panel cables (1) from the display inverter and remove the inverter 2. 5. Remove all screws (1) that secure the display panel as sembly to the display enclosure. 6. Remove the displa y pane l assembly (2) from the display enclosure.
10. Remove the display panel frame (2) from the display panel. 11. Remove the screws (1) that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover (2) and swing it outward. 13. Remove the backlight cover. 14. Turn the display panel right-side up.
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside down. 17. Remove the backlight fram e from the display panel. WARNING! The bac klight contains mercury. Exercise caution when removing and handling the backlight to av oid damaging this c omponent an d causing exposure to the mercury.
18. Remove the backlight from the backlight frame. 19. Disconnect the display cable (1) from the LCD panel. 20. Remove the screws (2) that secure the LCD panel to the display rear panel. 21. Release the LCD panel (3) from the display rear panel. 22. Release the tape (4) that secures the LCD panel to the display rear panel.
Index A AC adapter light 9 AC adapter, spare p art numbers 24, 27 action keys 6 additional hardware 15 administrator password 78 applications key, Windows 6 audio, product description 2 audio-in jack .
G graphics, product description 1 grounding equipment and methods 32 H hard drive precautions 29 product description 2 removal 38 spare part numbers 23, 25, 26, 27, 38 specifications 85 hard drive bay.
R removal/replacement preliminaries 28 procedures 33 right-side components 10 RJ-45 (network) jack 9 RJ-45 cable illustrated 22 RJ-45 jack connector pinout 97 RTC battery removal 48 spare part number .
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 HP (Hewlett-Packard) DM3 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 HP (Hewlett-Packard) DM3 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP (Hewlett-Packard) DM3 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP (Hewlett-Packard) DM3 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP (Hewlett-Packard) DM3, 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 HP (Hewlett-Packard) DM3.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il HP (Hewlett-Packard) DM3. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP (Hewlett-Packard) DM3 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.
