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HP CQ42-169TU, CQ42-109TU, CQ42-103TU, CQ42-275TX, CQ42-276TU, CQ42-168TU, CQ42-189TX, CQ42-160TX Enww

Models: CQ42-216TU CQ42-257TU CQ42-165TX CQ42-160TX CQ42-103TU CQ42-269TX CQ42-111TU CQ42-276TU CQ42-134TU CQ42-158TX CQ42-251TU CQ42-258TU CQ42-263TU CQ42-119TU CQ42-160TU CQ42-173TU CQ42-257TX CQ42-125TU CQ42-152TU CQ42-135TU CQ42-268TX CQ42-153TX CQ42-256TX CQ42-133TU CQ42-195TX CQ42-254TX CQ42-140TU CQ42-168TU CQ42-201TU CQ42-169TU CQ42-154TX CQ42-189TX CQ42-109TU CQ42-255TX CQ42-151TX CQ42-215TU CQ42-173TX CQ42-152TX CQ42-275TX

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3.Remove the RTC battery (2).

Reverse this procedure to install the RTC battery.

90 Chapter 4 Removal and replacement procedures

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HP CQ42-169TU, CQ42-109TU, CQ42-103TU, CQ42-275TX, CQ42-276TU, CQ42-168TU, CQ42-189TX, CQ42-160TX, CQ42-165TX, CQ42-158TX Enww

Contents

Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC First Edition March Document Part Number MSG revision history Revision Publication date DescriptionIv MSG revision history Safety warning notice Vi Safety warning notice Table of contents Setup Utility 109 131 Product description Chipset Intel CeleronGraphics Intel UMA Integrated/HD Graphics with Category Description HP G42 150-199 100-149 Intel UMA Integrated/GMA 4500M GL40150-199 100-149 ATi Discrete PCI Express x Graphics Switchable Discrete GraphicsMemory Hard drives 35-cm 2.5-inOptical DrivesDiskette drive CameraWireless Local area network Wlan options by Way of wireless ModuleModem EthernetMedia card ExternalPorts Power Operating Preinstalled SystemServiceability End-user Replaceable parts KeyboardEnww External component identification Identifying the hardwareTouchPad Top componentsComponent Description Lights Control Panel System and Security Power Options Button and speakersKeys Fn keyDisplay Right-side components Left-side components Bottom components Wireless antennas Additional hardware components Enww Illustrated parts catalog Serial number location35.6 cm 14-in, WXGA, BrightView display assembly Computer major componentsPower button board includes cable Description Spare part numberKeyboards Touchpad button board includes cableSpeaker assembly includes cable Wlan module Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter Intel Centrino Wireless-N 1000 802.11b/g/nBroadcom 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 Bluetooth module for models 1.0, 1.1 and 1.3 only BatteryEnww Display assembly components 592144-001Webcam module Display back coverDisplay rubber display kit not illustrated Plastics Kit Item Description Spare part number Plastics kit 600190-001Mass storage devices Item Description Spare part number Power cord, AC, 3 wire, black, 1.83-m Miscellaneous partsDescription Spare part number AC adapters Rubber kitSequential part number listing Spare part Description NumberZimbabwe 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 Removal and replacement procedures Preliminary replacement requirementsService considerations Tools requiredCables and connectors Drive handlingGrounding guidelines Electrostatic discharge damageTypical electrostatic voltage levels Event 10% 40% 55%Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Serial numberComputer feet Description Spare part number Rubber Feet Kit 600184-001Battery Hard drive Enww Enww Optical drive Enww Wlan module Enww Enww Memory module Enww Keyboard Enww Top cover Enww Enww Speaker assembly Description Spare part number Speaker assembly 600189-001Power 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 RTC battery Description Spare part number RTC battery 602745-001Enww Fan/heat sink assembly Subsystem memory includes thermal replacement materialEnww Enww Processor Enww Enww Setup Utility Computer Setup in WindowsStarting Setup Utility Using Setup UtilityNavigating and selecting in Setup Utility Displaying system informationRestoring default settings in Setup Utility Setup Utility menus Exiting Setup UtilityMain menu Security menuDiagnostics menu System Configuration menuPrimary Hard Disk Self Test Computer Setup in Linux Starting Computer SetupUsing Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Computer Setup menus File menuSecurity menu System Configuration menu Enww Enww Specifications Computer specifications35.6-cm14.0-in display specifications Hard drive specifications Random access time Transfer modeApplicable disc Cache buffer Data transfer rateBD-ROM, BD-ROM-DL, BD-R, BD-R-DL, BD-RE, BD-RE-DL, DVD-ROM System resource specifications Select Start ComputerBackup and recovery WindowsCreating recovery discs Backing up your information Using Windows Backup and Restore Performing a recovery Using system restore pointsRecovering from the recovery discs Select Start All Programs Recovery Manager Recovery ManagerLinux backup and recovery Enww Connector pin assignments Pin SignalAudio-out headphone Audio-in microphoneExternal monitor RJ-11 modem RJ-45 networkHdmi Universal Serial Bus Enww Power cord set requirements Requirements for all countries or regionsRequirements for specific countries or regions Country/region Accredited agency Applicable note numberRecycling BatteryDisplay Enww Display Enww Enww Enww Symbols/Numerics IndexInverter USB Enww