HP CQ42-153TX, CQ42-109TU, CQ42-103TU, CQ42-275TX, CQ42-276TU, CQ42-168TU, CQ42-189TX, CQ42-160TX Enww

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12.If it is necessary to replace the webcam module, disconnect the webcam cable (1) from the module. Lift the webcam from the double-sided tape on the display back cover, and remove the webcam.

13.If it is necessary to replace the display panel, remove the eight Phillips PM2.5×5.0 screws (1) that secure the display panel to the display enclosure, and then lift the panel from the enclosure

(2). The display panel is available using the spare part number 592144-001.

14.If it is necessary to replace the display cable, follow these steps:

a.Turn the display panel upside down in front of you.

b.Peel back the tape that secures the cable to the display (1).

c.Unplug the cable from the display (2).

d.Remove the cable from the display (3).

ENWW	Component replacement procedures 79

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Contents Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC First Edition March Document Part Number Revision Publication date Description MSG revision historyIv MSG revision history Safety warning notice Vi Safety warning notice Table of contents Setup Utility 109 131 Product description Graphics Intel UMA Integrated/HD Graphics with Intel CeleronChipset 150-199 100-149 Intel UMA Integrated/GMA 4500M GL40 Category Description HP G42Memory Switchable Discrete Graphics150-199 100-149 ATi Discrete PCI Express x Graphics 35-cm 2.5-in Hard drivesDrives OpticalDiskette drive CameraLocal area network Wlan options by Way of wireless Module WirelessModem EthernetPorts ExternalMedia card Operating Preinstalled System PowerServiceability End-user Replaceable parts KeyboardEnww Identifying the hardware External component identificationComponent Description Top componentsTouchPad Lights Button and speakers Control Panel System and Security Power OptionsFn key KeysDisplay Right-side components Left-side components Bottom components Wireless antennas Additional hardware components Enww Serial number location Illustrated parts catalogComputer major components 35.6 cm 14-in, WXGA, BrightView display assemblyDescription Spare part number Power button board includes cableKeyboards Touchpad button board includes cableSpeaker assembly includes cable Intel Centrino Wireless-N 1000 802.11b/g/n Wlan module Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapterBroadcom 4312G 802.11b/g WiFi Adapter halogen free Description Spare part number Memory modulesBT3.0+HS ready for models 1.2 and 1.3 only Battery Bluetooth module for models 1.0, 1.1 and 1.3 onlyEnww 592144-001 Display assembly componentsDisplay rubber display kit not illustrated Display back coverWebcam module Item Description Spare part number Plastics kit 600190-001 Plastics KitMass storage devices Item Description Spare part number Miscellaneous parts Power cord, AC, 3 wire, black, 1.83-mDescription Spare part number AC adapters Rubber kitSpare part Description Number Sequential part number listingZimbabwe 600164-001 Display back cover, Presario, biscotti Enww HP, white for models 1.1 only HP, charcoal for models 1.2 and 1.3 only HP, velvet red for models 1.2 and 1.3 only Enww Preliminary replacement requirements Removal and replacement proceduresService considerations Tools requiredDrive handling Cables and connectorsElectrostatic discharge damage Grounding guidelinesTypical electrostatic voltage levels Event 10% 40% 55%Packaging and transporting guidelines Material Use Voltage protection level Equipment guidelinesSerial number Component replacement proceduresDescription Spare part number Rubber Feet Kit 600184-001 Computer feetBattery Hard drive Enww Enww Optical drive Enww Wlan module Enww Enww Memory module Enww Keyboard Enww Top cover Enww Enww Description Spare part number Speaker assembly 600189-001 Speaker assemblyPower button board TouchPad button board Modem module Enww Bluetooth module USB board Power connector cable Display assembly Enww Enww Enww Enww Enww Enww System board Enww Enww Enww Optical drive Sata cable and connector Enww Description Spare part number RTC battery 602745-001 RTC batteryEnww Subsystem memory includes thermal replacement material Fan/heat sink assemblyEnww Enww Processor Enww Enww Computer Setup in Windows Setup UtilityStarting Setup Utility Using Setup UtilityDisplaying system information Navigating and selecting in Setup UtilityRestoring default settings in Setup Utility Exiting Setup Utility Setup Utility menusMain menu Security menuPrimary Hard Disk Self Test System Configuration menuDiagnostics menu Starting Computer Setup Computer Setup in LinuxUsing Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup File menu Computer Setup menusSecurity menu System Configuration menu Enww Enww Computer specifications Specifications35.6-cm14.0-in display specifications Hard drive specifications Transfer mode Random access timeApplicable disc Cache buffer Data transfer rateBD-ROM, BD-ROM-DL, BD-R, BD-R-DL, BD-RE, BD-RE-DL, DVD-ROM Select Start Computer System resource specificationsWindows Backup and recoveryCreating recovery discs Backing up your information Using Windows Backup and Restore Using system restore points Performing a recoverySelect Start All Programs Recovery Manager Recovery Manager Recovering from the recovery discsLinux backup and recovery Enww Pin Signal Connector pin assignmentsAudio-out headphone Audio-in microphoneExternal monitor RJ-45 network RJ-11 modemHdmi Universal Serial Bus Enww Requirements for all countries or regions Power cord set requirementsCountry/region Accredited agency Applicable note number Requirements for specific countries or regionsDisplay BatteryRecycling Enww Display Enww Enww Enww Index Symbols/NumericsInverter USB Enww

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