Manuals / HP / Computer Equipment / Laptop

HP C756CA, C721TU, C725BR, C718TU, C720BR Remove the backlight from the backlight frame, Recycling

Models: C779TU C798TU C754CA C757LA C720TU

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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.

23. Remove the LCD panel.

24. Recycle the LCD panel and backlight.

126 Chapter 11 Recycling

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HP C756CA Remove the backlight from the backlight frame, Disconnect the display cable 1 from the LCD panel, Recycling

Contents

Maintenance and Service Guide HP G7000 Notebook PC and Compaq Presario C700 Notebook PCCopyright 2007 Hewlett-Packard Development Company, L.P Safety warning notice iv Safety warning notice 1 Product description 2 External component identification Table of contentsRemoval and replacement procedures Illustrated parts catalogSetup Utility Specifications10 Power cord set requirements Backup and recovery9 Connector pin assignments Screw listingBattery 11 RecyclingIndex DisplayDescription 1 Product descriptionCategory HP G7000HP G7000 CategoryDescription Compaq PresarioDescription WirelessCategory HP G7000Serviceability Power requirementsPreinstalled CategoryDisplay components 2 External component identificationTop components ComponentComponent Buttons and speakersPanel System and Maintenance Power DescriptionFunction KeysComponent esc keyDescription LightsComponent Component TouchPadTop components FunctionComponent Front componentsRight-side components FunctionFunction Left-side componentsComponent Component Bottom components12 Chapter 2 External component identification Function3 Illustrated parts catalog Serial number locationComputer major components 14 Chapter 3 Illustrated parts catalogKeyboards Item DescriptionSpare part number Description Power connector cableMemory/wireless module compartment cover Spare part numberDescription RTC battery6-cell, 2.20-Ah, 47-Wh Li-ion battery Spare part numberBroadcom 802.11b/g WLAN module for use in Thailand DescriptionSpare part number Atheros AR2425 802.11b/g WLAN moduleSpare part number Computer major componentsDescription Optical drives include bezel and bracketSpare part number Display assembly componentsDescription Display bezelsCamera module cable DescriptionSpare part number Display Screw Kit not illustratedSpare part number Plastics KitItem Description Plastics KitDescription Mass storage devicesMass storage devices Spare part numberOptical wired mouse Miscellaneous partsHP Remote Control Power cordsHong Kong and the United Kingdom DescriptionSpare part number 403811-031Spare part Sequential part number listing26 Chapter 3 Illustrated parts catalog DescriptionSpare part Description number Description 28 Chapter 3 Illustrated parts catalogSpare part numberDescription Sequential part number listingSpare part numberDescription 30 Chapter 3 Illustrated parts catalogSpare part numberDescription Sequential part number listingSpare part numberService considerations 4 Removal and replacement proceduresPreliminary replacement requirements Tools requiredCables and connectors Drive handlingGrounding guidelines Electrostatic discharge damagePackaging and transporting guidelines Workstation guidelinesEquipment guidelines Unknown user password Component replacement procedures Serial numberSpare part number Computer feetDescription Rubber Foot Kit includes 6 base enclosure rubber feetBattery Hard drive 5. Remove the hard drive 3 from the hard drive bay Reverse this procedure to reassemble and install the hard drive42 Chapter 4 Removal and replacement procedures 6. Remove the hard drive from the hard drive bayMemory module 4. Remove the module 2 by pulling it away from the slot at an angle Reverse this procedure to install a memory module44 Chapter 4 Removal and replacement procedures Spare part number WLAN moduleDescription Broadcom 802.11a/b/g WLAN modulesAfrican Republic, Chad, Chile, Colombia, Comoros, Congo, Costa Rica, Croatia, Cyprus, Czech Reverse this procedure to install a WLAN module Component replacement proceduresOptical drive Component replacement procedures 7. Remove the optical drive bracketKeyboard 2. Turn the computer right-side up, with the front toward you Component replacement proceduresRemove the keyboard 3. Open the computer as far as possible7. Remove the keyboard Reverse this procedure to install the keyboard 52 Chapter 4 Removal and replacement proceduresSwitch cover 54 Chapter 4 Removal and replacement procedures 6. Remove the switch coverReverse this procedure to install the switch cover For use only with Compaq Presario C700 computer models Display assemblyFor use only with HP G7000 computer models 5. Remove the display assembly 56 Chapter 4 Removal and replacement procedures3 Eight Phillips PM2.5×7.0 screws Component replacement procedures2 Two rubber screw covers on the display bezel bottom edge 58 Chapter 4 Removal and replacement procedures Component replacement procedures Camera module Component replacement procedures Top cover d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page a. Hard drive see Hard drive on page1. Turn the computer upside down, with the front toward you Component replacement proceduresRemove the top cover 3. Turn the computer right-side up, with the front toward youd. Switch cover see Switch cover on page Caps lock LED boardf. Top cover see Top cover on page e. Display assembly see Display assembly on page3. Remove the caps lock LED board 2 from the top cover Reverse the above procedure to install the caps lock LED boardComponent replacement procedures e. Display assembly see Display assembly on page USB boardd. Switch cover see Switch cover on page a. Hard drive see Hard drive on page3. Remove the USB board 3 from the base enclosure Reverse this procedure to install the USB boardComponent replacement procedures a. Hard drive see Hard drive on page d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page b. Optical drive see Optical drive on page3. Remove the fan Reverse this procedure to install the fan Component replacement procedurese. Display assembly see Display assembly on page Speakersd. Switch cover see Switch cover on page a. Hard drive see Hard drive on page4. Remove the speakers 4 from the base enclosure Reverse this procedure to install the speakersComponent replacement procedures e. Display assembly see Display assembly on page System boardd. Switch cover see Switch cover on page a. Hard drive see Hard drive on pageWLAN module see WLAN module on page RTC battery see RTC battery on pageMemory modules see Memory module on page Card reader board see Card reader board on pageReverse the preceding procedure to install the system board 74 Chapter 4 Removal and replacement proceduresd. Switch cover see Switch cover on page RTC batteryg. System board see System board on page e. Display assembly see Display assembly on page76 Chapter 4 Removal and replacement procedures 3. Remove the RTC batteryReverse this procedure to install the RTC battery e. Display assembly see Display assembly on page Card reader boardd. Switch cover see Switch cover on page a. Hard drive see Hard drive on page4. Remove the card reader board Reverse the above procedure to install the card reader board78 Chapter 4 Removal and replacement procedures e. Display assembly see Display assembly on page Heat sinkd. Switch cover see Switch cover on page a. Hard drive see Hard drive on page3. Remove the heat sink Reverse this procedure to install the heat sink80 Chapter 4 Removal and replacement procedures e. Display assembly see Display assembly on page Processord. Switch cover see Switch cover on page a. Hard drive see Hard drive on pageRemove the processor Reverse this procedure to install the processor82 Chapter 4 Removal and replacement procedures 3. Lift the processor 2 straight up and remove ite. Display assembly see Display assembly on page Power connector cabled. Switch cover see Switch cover on page a. Hard drive see Hard drive on pageChanging the language of the Setup Utility 5 Setup UtilityStarting the Setup Utility 2. Select Exit Load Setup Defaults, and then press enter Navigating and selecting in the Setup UtilityRestoring default settings in the Setup Utility Displaying system informationSetup Utility menus Using advanced Setup Utility featuresClosing the Setup Utility Main menuSecurity menu System Configuration menuDiagnostics menu SelectDimensions 6 SpecificationsComputer specifications Input powerPixel resolution 15.4-inch, WSXGA, BrightView display specificationsDimensions Total power consumptionOperating temperature Hard drive specificationsDimensions 160-GBApplicable disc DVD±RW and CD-RW Super Multi Double-Layer Combo Drive specificationsAccess time ReadHardware DMA System DMA specificationsSystem memory map specifications System functionSystem function System interrupt specificationsHardware IRQ System function shipping configuration System I/O address specifications94 Chapter 6 Specifications I/O address hexI/O address hex System I/O address specificationsSystem function shipping configuration 7 Screw listing 96 Chapter 7 Screw listingWhere used Phillips PM2.0×5.0 captive screwQuantity Phillips PM3.0×3.0 screwColor LengthQuantity Black Phillips PM2.0×3.0 screwColor LengthQuantity Black Phillips PM2.0×4.0 screwColor LengthBlack Phillips PM2.0×4.0 screw Color Phillips PM2.5×9.0 screwWhere used QuantityPhillips PM2.5×9.0 screw Where used 4 screws that secure the display assembly to the computerWhere used Ten screws that secure the top cover to the base enclosure Quantity Phillips PM2.5×4.0 screwColor LengthPhillips PM2.5×4.0 screw Where used 2 screws that secure the top cover to the base enclosureWhere used One screw that secures the USB board to the base enclosure 106 Chapter 7 Screw listing Where used 2 screws that secure the speakers to the base enclosureWhere used One screw that secures the fan to the base enclosure Phillips PM2.5×7.0 screw Quantity Silver Phillips PM2.0×4.0 screwColor LengthQuantity Phillips PM2.5×6.0 captive screwColor LengthWhen to back up 8 Backup and recoveryRecovering system information Backing up your informationWhen to create restore points Using system restore pointsBackup suggestions Create a system restore point112 Chapter 8 Backup and recovery 1. Select Start All Programs Recovery Manager Recovery Manager Creating recovery discsRestore to a previous date and time 3. Click Recovery disc creation, and then click NextRecovering from the partition on the hard drive Performing a recoveryRecovering from the recovery discs Select Start All Programs Recovery Manager Recovery ManagerAudio-in microphone 9 Connector pin assignmentsAudio-out headphone SignalSignal External monitor116 Chapter 9 Connector pin assignments Signal RJ-11 modemRJ-45 network Signal118 Chapter 9 Connector pin assignments S-Video-outUniversal Serial Bus Signal10 Power cord set requirements Requirements for all countries or regionsCountry/region Requirements for specific countries or regions120 Chapter 10 Power cord set requirements Accredited agencyDisplay Battery11 Recycling 122 Chapter 11 Recycling Perform the following steps to disassemble the display assembly3. Remove the display bezel Display 6. Remove the display panel assembly 2 from the display enclosure7. Turn the display panel assembly upside down 13. Remove the backlight cover 10. Remove the display panel frame 2 from the display panel12. Lift the top edge of the backlight cover 2 and swing it outward 14. Turn the display panel right-side upDisplay 16. Turn the display panel upside down17. Remove the backlight frame from the display panel 21. Release the LCD panel 3 from the display rear panel 18. Remove the backlight from the backlight frame19. Disconnect the display cable 1 from the LCD panel 23. Remove the LCD panel 24. Recycle the LCD panel and backlightIndex left-side components function keyskey components Page S-Video-out jack contentsstatic-shielding materials system DMA