Manuale d’uso / di manutenzione del prodotto CQ56-108SL del fabbricante HP
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Compaq Presario CQ56 Notebook PC and HP G56 Notebook PC Maintenance and Service Guide SUMMARY This guide is a troublesh ooting reference us ed for maintaining an d servicing the comput er.
© Copyright 2010 Hew lett-Packard Development Company, L.P. AMD, ATI, and Athlon are trademar ks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Celeron, and Pentium are trademarks of Intel corporation in the U.
Safety warning notice WARNING! To reduce the p ossibility of heat-related inju ries or of overheati ng the compute r, do not place the compu ter directly on your lap or o bstruct the computer ai r vents.
iv Safety warning no tice.
Table of contents 1 Product description ............ ......... ........... ........... ........ ............ ........... ........ ............ ......... . ................ ......... ....... 1 2 External component id enti fication ...... ........... ..
Packaging and transporting guidelines ........ ........... .......... ........ ........ 32 Works tation guideline s ..................................................................... 32 Equipmen t guidelines .................... ...................
DVD±RW SuperMulti Double-Layer Driv e with LightScribe specifications ......... ............. ............. ...... 85 7 Backup and recovery .................... ................. ............... ............. ................. ............... .......
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1 Product description Category Description HP G56 Compaq Presario CQ56 HP G56 Compaq Presario CQ56 AMD AMD Intel Intel Product name Compaq Presario CQ56 N otebook PC √ √ HP G56 Notebook PC √ √ Processors Intel Mobile Celeron 925 processor (2.3 GHz, 1-MB L3 cache, 800 MHz) √√ Intel® Celeron® 900 processor (2.
Category Description HP G56 Compaq Presario CQ56 HP G56 Compaq Presario CQ56 AMD AMD Intel Intel Chipset ATI™ RS880M √√ Southbridge - SB820 √√ Intel® GL40 √√ Southbridge - ICH9m √√ .
Category Description HP G56 Compaq Presario CQ56 HP G56 Compaq Presario CQ56 AMD AMD Intel Intel Optical drives 12.7-mm (0.5-in) fixed SATA tray load √√ √ √ DVD±RW SuperMulti Double-Laye r Drive with Li ghtScr ibe (select models only) √√ √ √ Webcam Select models only.
Category Description HP G56 Compaq Presario CQ56 HP G56 Compaq Presario CQ56 AMD AMD Intel Intel USB (3) √√ √ √ VGA (Dsub 15-pin) supporting 1600×1200 external resolution at 75 Hz √√ √ √ Smart-pin AC power √√ √ √ Keyboard/ pointing devices Pocket keyboa rd, 39.
2 External component identification Top TouchPad Component Description (1) TouchPad light To turn the TouchPad on and off, q uickly double-tap the TouchPad light. ● Off: TouchPad is on. ● Amber: TouchPad is off. (2) TouchPad zone Moves the pointer and selects or activates items on the screen.
Lights NOTE: Your computer may loo k slightly different from the illustrati on in this section. Component Description (1) TouchPad light ● Off: TouchPad is on. ● Amber: TouchPad is off. (2) Caps lock light On: Caps lock is on. (3) Power light ● On: The computer is on.
Button and speakers NOTE: Your computer may loo k slightly different from the illustrati on in this section. Component Description (1) Speaker grill Two integrated speakers produce sound. (2) Power button* ● When the computer is off, press the button to turn on the computer.
Keys NOTE: Your computer may loo k slightly different from the illustrati on in this section. Component Description (1) esc key* Displays system information when pressed in combina tion with the fn key. (2) Send e-mail key Opens a new e-mail in your default e-mail client.
Right side NOTE: Your computer may loo k slightly different from the illustrati on in this section. Component Description (1) Optical drive (select models only) Reads and writes to an optical disc. (2) Optical drive light (select models only) Blin king: The optical drive is being accessed.
Left side NOTE: Your computer may loo k slightly different from the illustrati on in this section. Component Description (1) External monitor port Connects an ex ternal VGA monitor or p rojector. (2) Vent Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to coo l internal components and prevent overheating.
Display Component Description (1) Internal microphone (selec t models only) Records sound. (2) Webcam (select models only) Records video and ca ptures still photographs.
Wireless antennas Your computer model ha s two anten nas that send and re ceive signals from one o r more wireless devices. These antenna s are not visibl e from the outside of the computer. NOTE: For optimal tran smission, keep the a reas imme diately a round the antenn as (shown in the previous illustr ation) free from o bstructions.
Bottom Component Description (1) Battery bay Holds the battery. (2) Vents (4) Enable airflow to coo l internal components. NOTE: The computer fan starts up automatically to coo l internal components and prevent overheating. It is no rmal for the internal fan to cycle on and off during routine operation.
Additional hardware Component Description (1) Power cord* Connects an AC adapter to an AC o utlet. (2) AC adapter Converts AC power to DC pow er. (3) Battery* Powers the computer when the computer is not plugged into external power. *Batteries and power cords vary in appearance by region or country.
3 Illustrated parts catalog Service tag When ordering pa rts or requestin g information, pr ovide the comput er serial number an d model description provided on the servi ce tag. Component Description (1) Product name The product name affixed to the front of your computer.
Computer major components 16 Chapter 3 Illustrated parts catalo g.
Item Description Spare part number (1) Display assembly NOTE: For more display assembly interna l component spare part information. See Display assembly components on p age 20 . ● 39.6- cm (15.6-in) HD LED BrightView with webcam and microphone display assembly for HP G56 computer 620589-001 ● 39.
Item Description Spare part number ● For use in Spain 595199-071 ● For use in Switzerland 595199-BG1 ● For use in Turkey 595199-141 ● For use in United Kingdom 595199-031 (3) Speaker assembly .
Item Description Spare part number ● AMD Athlon II P340 processor (2.2 GHz, 1-MB L2 cache, 106 6 MHz, 3.2 GT/s)— dual-core 25 W 616343-001 ● AMD Athlon II P320 processor (2.1 GHz, 1-MB L2 cache, 106 6 MHz, 3.2 GT/s)— dual-core 25 W 594165-001 (13) Hard driv e (includes bracket, connector, and screws) ● 500-GB, 5400-rpm 9.
Display assembly components Item Description Spare part number (1) Display bezel ● Presario CQ56 with webcam and micro phone modules 620593-001 ● Presario CQ56 with microphone module only 620592-0.
Item Description Spare part number 39.6-cm (15.6-in) HD, BrightView, CCFL display panel (includes backli ght cables) 616450-001 (4) Hinge/Bracket Kit (includes left and righ t brackets) For use with L.
Plastics Kit Item Description Spare part number Plastics Kit 595200-001 (1) Hard drive cove r (inc ludes captive screws) (2) Memory mod ule compartment cover (include s captive screw) 22 Chapter 3 Ill.
Mass storage devices Item Description Spare part number (1) Optical drive (12.7 mm, SATA, fixed, includes bezel and bracket) DVD±RW SuperMu lti Double-Layer Drive with LightScribe 620604-001 (2) Hard drive ● 500-GB, 5400-rpm 9.5-mm, 6 .35-cm (2.5-in) 634932-001 ● 320-GB, 7200-rpm 9.
Miscellaneous parts Description Spare part number AC adapt ers ● 65-W, 3-pin Smart AC adapter for use in all coun tries and regions e xcept India 609939-001 ● 65-W, 3-pin Smart AC adapter for use only in India 609948-001 Power cord, AC, 3 wire, black, 1.
Sequential part number listing Spare part number Description 490371-001 Power cord for use in North America 490371-001 Power cord for use in Australia 490371-021 Power cord for use in Europe 490371-03.
Spare part number Description 595199-161 Keyboard for use in Latin America (includes keyboa rd cable) 595199-171 Keyboard for use in Saudi Ara bia (includes keybo ard cable) 595199-211 Keyboard for us.
Spare part number Description 616334-001 AMD Athlon II N350 processor (2.4 GHz, 1-MB L2 cache, 106 6 MHz, 3.2 GT/s)—dual-co re 35 W 616343-001 AMD Athlon II P340 processor (2.2 GHz, 1-MB L2 cache, 106 6 MHz, 3.2 GT/s)—dual-co re 25 W 616450-001 39.
Spare part number Description 621559-001 1-GB memory module (1333-MHz, DDR3 , AMD) 621566-001 2-GB memory module (1333-MHz, DDR3 , AMD) 623909-001 PCA UMA system board (Intel) 623915-001 PCA UMA system board (AMD) 625830-001 Intel Celeron T3500 processor (2.
4 Removal and replacement procedures Preliminary replacement requirements Tools required You will need the following tools to comple te the removal and re placement procedures: ● Flat-bla ded screw .
Cables and connectors CAUTION: When servicing the computer, be sure that c ables are placed in their proper locations during the reassembly p rocess. Improp er cable placem ent can damage the co mputer. Cables must be handle d with extreme care to avo id damage.
Grounding guidelines Electrostatic discharge damage Electronic componen ts are sensit ive to electrostatic d ischarge (ESD). Circu itry design and struc ture determine the deg ree of sensitiv ity.
Packaging and transporting guidelines Follow these groun ding guidelines whe n packaging and transp orting equipment: ● To avoid hand contact, transport products in static-safe tubes, bags, or boxes. ● Protect ESD-sensitive parts an d assemblies wi th conductive or approv ed containe rs or packaging.
Equipment guidelines Grounding equi pment must include eith er a wrist stra p or a foot strap at a grou nded workstation. ● When seated, wear a wrist strap connected to a grounded syste m. Wrist straps are flexibl e straps with a minimu m of one megohm ±1 0% resi stance in the ground co rds.
Component replacement procedures This chapter provides removal an d replacement proced ures. There are as many as 6 7 screws, in 10 different sizes, that mu st be removed, replaced, or lo osened when servicing the computer. Make specia l note of each screw size an d location during remova l and replacement.
Computer feet Description Spare part number Rubber Kit (includes computer feet) 600849-001 The computer feet a re adhesive -backed rubber pads . The feet attach to the base enclosur e in the locations illustrated below.
Battery Description Spare part number 6 cell, 2.20-Ah, 47-Wh 593553-001 6 cell, 2.55-Ah, 55-Wh 593554-001 Before r emoving th e batter y, follow these st eps: 1. Shut down the computer. If you are unsure whether the compu ter is off or in Hibernation , turn the computer on, and th en shut it down thr ough the operating system.
Hard dr ive NOTE: The hard drive sp are part kit includes a br a cket, connector, and screws. The bracket, connector, an d screws are al so available in the Ha rd Drive Hardwa re Kit. Description Spare part number 500-GB, 5400-rpm 9.5-mm, 6.35-cm (2 .
5. Use the Mylar tab (2) to lift the hard drive out of the hard drive co mpartment. 6. Disconnec t the hard drive ca ble from the system board (3) and remove the hard drive from th e computer (4 ) . 7. To replace the hard drive bracket, re move the four Phillip s 3.
Optical drive NOTE: The optical drive spare part ki t includes a bezel and bracket. Description Spare part number DVD±RW SuperMulti Double-Laye r Drive with LightScribe 620604-001 Before removing the optical drive: 1.
2. Remove the optical drive screw. 3. Insert a thin tool, such as a screwdriver (1) , into the release acce ss slot in the hard drive bay, and press against the ba ck of the optical drive.
4. Grasp the drive (2) and remove it from the opt ical drive bay. Reverse this procedure to rea ssemble an d install the o ptical drive. Component replacement procedures 41.
WLAN module Description Spare part number Atheros AR9285 802.11b/g/n 1x1 WiFi adapter 605560-005 Realtek RTL8191SE 802.11b/g/n 1x1 WiFi ada pter 593533-001 Broadcom 4313 802.11b/g/n 1x1 WiFi adapter 593836-0 01 Broadcom 4313 802.11b/g/n 1x1 WiFi and 2070 Bluetooth 2.
4. Disco nnect the main ante nna cable (1) and the auxiliary antenna cabl e (2) from the wirele ss module. 5. Remove the Phillip s 2.0×3.0 screw (3) that secures the WLAN module to the compute r. (The edge of the m odule opposite the slo t rises away from the comp uter.
Memory module Description Spare pa rt number 1 GB, 1066 MHz DDR2 (Intel) 619545-001 2 GB, 1066 MHz DDR2 (Intel) 619546-001 1 GB, 1333 MHz, DDR3 (AMD) 621559-001 2 GB, 1333 MHz, DDR3, (AMD) 621566-001 Before removing a memory module: 1. Shut down the computer.
4. Spread the retaining tabs (1) on each side of the memo ry module slot to release the memory module. (The edge o f the module opp osite the slot rises away from the computer.
Keyboard Description Spare part number For use in Adriatic countries 5 95199-BA1 For use in Belgium 595199-A41 For use in Canada 595199-121 For use in the Czech Republic 595199-221 For use in France 5.
Remove the keyboard: 1. Position the computer upsi de down, with the front toward you. 2. Remove the three Phillips 2.5×5.0 and three Phill ips 2.5×6.0 screws that secure the keyboard to the computer. 3. Position the computer ri ght-side up, with th e front toward you.
7. Release the zero insertion fo rce (ZIF) connector (1) to which the keyboard cable is attached and disconnect the keyboard cable (2) from the system board.
Top cover Description Spare part number Top cover (includes TouchPad board) 620605-00 1 Before removing the top cover: 1. Shut down the computer. If you are un sure whether the computer is off or in Hibe rnation, turn on the computer, and th en shut it down through the operating system.
5. Remove the Phillips 2. 0×5.0 screw that secures the top cover to the computer. 6. Release the speaker cable (1) , power button Z IF connector (2) , TouchPad ZIF connector (3) , and TouchPad button ZIF co nnector (4) . 7. Lift the rear edge of the top co ver (1) until the top cover disengages from the base enclosure.
8. Remove the top cover (2) . NOTE: The TouchPa d is glued to the top cover and is in cluded with the top cover spare part. Reverse this procedure to insta ll the top cover.
Speaker assembly Description Spare part number Speaker assembly (includes cable) 620607-001 Before removing the sp eaker assembly: 1. Shut down the computer. If you are un sure whether the computer is off or in Hibe rnation, turn on the computer, and th en shut it down through the operating system.
6. Remove the speaker assembly by slid ing the left edge (4) from b eneath the br acket in the top cover. Reverse this procedu re to install the speake r assembly.
Power button board Description Spare part number Power button board 595204-001 Before removing the power button board: 1. Shut down the computer. If you are un sure whether the computer is off or in Hibe rnation, turn on the computer, and th en shut it down through the operating system.
TouchPad button board Description Spare part number TouchPad button board (with cable) 595203-001 Before removing the Touch Pad button b oard: 1. Shut down the computer. If you are un sure whether the computer is off or in Hibe rnation, turn on the computer, and th en shut it down through the operating system.
USB board Description Spare part number USB board 595205-001 Before removing the USB board: 1. Shut down the computer. If you are un sure whether the computer is off or in Hibe rnation, turn on the computer, and th en shut it down through the operating system.
Reverse this procedure to insta ll the USB board. Component replacement procedures 57.
Power connector Description Spare part number Power connector (includes cable) 602743-001 Before removing t he power connec tor cable: 1. Shut down the computer. If you are un sure whether the computer is off or in Hibe rnation, turn on the computer, and th en shut it down through the operating system.
Display assembly Description Spare part number 39.6-cm (15.6-in) HD LED BrightView display assembly with webcam and microphone for HP G56 computer 620589-001 39.6-cm (15.6-in) HD LED BrightView display assembly with micr ophone for HP G56 computer 620588-001 39.
4. Pull the antenna cables throug h the opening in the top cover (3) and disengage th e cables from the clip in the ro uting channel lead ing to the display h inge (4) . 5. Disconn ect the webcam ca ble (select models only) (5) from the system board an d release it from the clips that attach it to the system board.
8. To replace any of the display a ssembly internal components, re move the following screw covers and screws: (1) Two Mylar screw covers on the display bezel bottom edge (2) Two Phillips 2.5× 3.0 screws The display screw covers are included in the Di splay Screw Kit, spare part number 595197-001.
12. Disconnec t the webcam module ca ble (1) from the webcam module, and remove the webcam module (2) . The webc am module is avail able using spare part number 626656-001. Reverse this pro cedure to install th e webcam module. 13. To replace the display inverter, disconnect the cables (1) on both side s of the inverte r.
16. Remove the display hin ge covers (2) . The d isplay hinge covers ar e avail able using spare part number 600650-0 01. Reverse this proc edure to install the d isplay hinge covers. 17. To replace the display panel, remove the eight Phillip s 2.5 x 4.
20. Remove the display pan el brackets (2) from the display panel. The display panel brackets are available using spare part number 5951 95-001. Reverse this proc edure to install the d isplay panel brackets.
24. To replace the webcam cable, release the a dhesive tabs (3) from the display cover and lift up on the webcam cable (4) . Reverse this procedure to insta ll the microphon e and webcam cable s.
System board NOTE: The system board spare part kit inclu des UMA gr aphics subsystem memory and replacement thermal material . Description Spare part number PCA UMA system board (AMD) 623915-001 PCA U.
Remove the following cabl es from the system board: ● Power connector cable (see Power connector on page 58 ) ● USB board cable (see USB board on page 56 ) 1. Position the computer upright with the right side toward you. 2. To remove the optical drive cable, disconnect it from the system board (1 ) , and then remove the two Phillips 2.
6. Pull the system board (3 ) away from the base enclosur e at an angle. The AMD system board is sh own below. The Intel system board is sh own below. Reverse this procedure to install the system board.
RTC battery Description Spare part number RTC battery 602745-001 Before r emoving the RTC b attery: 1. Shut down the computer. If you are un sure whether the computer is off or in Hibe rnation, turn on the computer, and th en shut it down through the operating system.
3. Lift the battery (2) out of the computer. Reverse this procedure to in stall the RTC battery. 70 Chapter 4 Remova l and replacement procedures.
Fan/heat sink assembly Description Spare part number Fan/heat sink assembly (includes r eplacement thermal materi al) for use with UMA systems (AMD) 630722-001 Fan/heat sink assembly (includes r eplacement thermal materi al) for use with UMA systems (Intel) 606573-001 Before removing the fan/heat sink assembly: 1.
2. Disconnect the fan cable from the syst em board. 3. Follow the sequence embossed on the heat sink to loosen the th ree Phillips 2.5 x 9.0 captive screws (1) that secure the fan/heat sink assembly to the system board.
6. Disconnect the fan cable from the syst em board. 7. Loosen the two Phillip s captive screws and the four Ph illips spring-loaded captive screws (1) that secure the fan/ heat sink asse mbly.
Thermal pads and thermal paste must be installed on all surfaces before the fan/heat sink asse mbly is reinstalled. NOTE: Thermal pads and thermal paste are included wi th all fan/heat sink assembly, system board, and processor spare part kits.
Processor NOTE: The processor spare p art kits include replac ement thermal material. Description Spare part number Intel Mobile Celeron 925 processor (2.3 GHz, 1-MB L3 cache, 800 MHz) 636636-001 Intel Celeron 900 processor (2.2 GHz) 534419-001 Intel Pentium T4500 processor (2.
Remove the proce ssor: 1. Turn the processor locking screw (1) one-half turn countercl ockwise until you he ar a click. 2. Lift the processor (2) straight up and remove it. NOTE: The gold triangle (3) on the processor must be alig ned with the triangle i con (4) embossed on the processor soc ket when you in stall the proc essor.
5 Setup Utility Computer Setup To view the drives install ed on the compute r, select Start > Comp uter . On models with a secondary hard d rive (drive D), the optical drive becomes drive E. The next drive added to the system, such as a new USB drive, is assigned the next available drive letter.
3. Use the arrow keys to select a language, and then press enter key. 4. When a confirmation prompt wi th your l anguage se lected displays, press th e enter key. 5. To save your change and e xit Setup Utili ty, use the arrow ke ys to select Exit > Exit Saving Changes , and then press the enter key.
Restoring defa ult settings in S etup Utility The following procedure expl ains how to restore Setu p Utility default settings. If Setup Uti lity is not already running, begin at step 1. If Setup Utility is already running, begin at step 2. 1. Open Setup Utility by turn ing on or restarting the computer .
Exiting Setup Utility You can exit Setup Utility with or without saving changes. ● To exit Setup Utility and save changes from the current session: If the Setup Utility menu s are not displayed, p ress the esc key to return to the menu display. Then use the a rro w keys to select Exit > Exit Saving Changes , and then press the enter key.
System Configuration menu Select To do this Language Support Change the language of Setup Utility. Button Sound (select models only) Enable/d isable the capacitive button tapping sound. Virtualization Technology (select models only) Enable /disable the processor Vi rtualization Technology.
6 Specifications Computer specifications Dimensions Depth 24.7 cm (9.7 in) Width 37.4 cm (14.7 in) Height (front to rear) 3.3 cm to 3.8 cm (1.3 to 1.5 in) Weight (lowest weight config uration) 2.54 kg (5.59 lb s) Input power Operating voltage 18.5 V dc @ 4.
39.6-cm (15.6-in) display specifications Dimensions Height 21.0 cm (8.27 in) Width 35.9 cm (14.1 in) Diagonal 39.6 cm (15.6) Number of colors Up to 16.8 million Contrast ratio 300:1 (typical) Brightness 200 nits (typical) Pixel resolution Pitch 0.259 × 0.
Hard drive specifications 320 GB* 250 GB* 160 GB* Dimensions Height 9.5 mm 9.5 mm 9.5 mm Width 70 mm 70 mm 70 mm Weight 101 g 101 g 102 g Interface typ e SATA SATA S ATA Transfer rate 300 MB/sec 100 MB/sec 100 MB/sec Security ATA security ATA security ATA security Seek times (typical read, including setting) Single track 1.
DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications Applicable disc Read CD-DA, CD+(E)G, CD-MID I, CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE CD, CD-I, CD-I Bridge (P hoto-CD, Video CD),.
7 Backup and recovery Windows 7 backup and recovery To protect you r information, use Windows Backup and Restore to back up individua l files and folders, back up your entire hard drive (sel ect models only), create system repair discs (select models only), or create system restore points.
● Save customized settings th at appear in a window , toolb ar, or menu bar by taking a screen shot of your settings. The scree n shot can be a time -s aver if you have to reset you r preferenc es. To create a scr een shot: 1. Display the screen you want to save.
NOTE: If you are unable to boot (start up) your computer and you cannot use the system repair discs you previously created (select models only ), you must purchase a Window s 7 operating system DVD to reboot the computer and re pair the operating system.
NOTE: If your computer includ es a solid-stat e drive (SSD), you may not have a recovery partitio n. Recovery discs have been included for computers that do not have a partition. Use these discs to recover your operatin g system a nd softwar e. To che ck for the presen ce of a re covery partition, select Start > Computer .
Linux backup and recovery Use the instructions in this section if SUSE Li nux SLED 11 is insta lled on you r computer. To protect your information, back up your files and folders. Then if the syst em fails , you can restore your important files from co pies.
8 Power cord set requirements The wide range input fe ature of the co mputer permits it to ope rate from any line voltag e from 100 to 120 volts AC or from 220 to 240 volts AC. The 3-conductor powe r cord set included wi th t he computer meets the requirem ents for use in the country or region where the e quipment is purchased .
Requirements for specific countries or regions Country/region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland FIMKO 1 Franc.
9 Recycling Battery When a battery has reached the end of its useful life, d o not dispose of the battery in genera l household waste. Follo w the local laws a nd regulati ons in your area for computer b attery disposal. Display WARNING! The backlight contains mercury.
Perform the following ste ps to di sassemble the display assembly: 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 le ft and right inside edges (1) and th e top and bottom i nside edges (2) of the display beze l until the bezel disengag es from the display assembly.
4. Remove the two screws (1) that secure each hinge to the display enclosure a nd lift up to remo ve the display hinge covers (2) . 5. Remove all screws (1) that secure the displa y panel a ssembly to the display enclosure. 6. Remove the display panel assembly (2) from the display enclos ure.
8. Use a sharp-edged tool to cut the tape (1) that secures the sides of the display panel to t he display panel frame. 9. Remove the display panel frame (2) from the display panel. 10. Remove the screws (1) that secure the backlight cover to the display panel.
14. Remove the backlight cables (1) from the clip (2) in the display pa nel. 15. Turn the display pane l upside down. 16. Remove the backlight frame from th e display panel. WARNING ! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damag ing this compon ent and causin g exposure to the me rcury.
17. Remove the backlight from the backlight frame. 18. Disconnec t the display cabl e (1) from the LCD panel. 19. Remove the screws (2) that secure the LCD panel to the d isplay rear panel. 20. Release the LCD panel (3) from the d isplay rear panel. 21.
22. Remove the LCD panel. 23. Recycle the LCD panel and backlight. Display 99.
Index A AC adapter identifying 14 spare part numbers 24 AC adapter light, identifying 9 action keys, identifying 8 administrator password 80 antennas identifying 12 remov al 64 applications key, Windo.
drives boot order 81 preventing damage 30 DVD±RW SuperMulti Double- Layer Drive with L ightScribe identifying 9 precautions 30 product description 3 remov al 39 spare part numbers 23, 39 specificatio.
power conn ector cable remov al 58 spare part number 18, 58 power connector, identi fying 9 power cord identifying 14 spare part numbers 24 power cord set re quirements 91 power light, identifyin g 6 .
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 CQ56-108SL 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 CQ56-108SL - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP CQ56-108SL imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP CQ56-108SL ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP CQ56-108SL, 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 CQ56-108SL.
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 CQ56-108SL. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP CQ56-108SL 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.
