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Compaq CQ42 manual

Models: CQ42

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Page 89

3.Remove the RTC battery (2).

Reverse this procedure to install the RTC battery.

Component replacement procedures 79

Image 89

Compaq CQ42 manual

Contents

Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC First Edition April Document Part Number Safety warning notice Iv Safety warning notice Revision Publication date Description MSG revision historyVi MSG revision history Table of contents Setup Utility 102 116 Product description AMD Turion II Processor 150 100AMD Athlon II Processor AMD Sempron II ProcessorMemory ATi Discrete PCI Express x GraphicsOptical drives Hard drivesDiskette drive CameraWireless module Wireless Integrated wireless local areaModem EthernetOperating system Preinstalled PowerServiceability End-user replaceable parts Keyboard150 100 Optical drive Mini-card device 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 Serial number location Illustrated parts catalogComputer major components 35.6 cm 14-in, WXGA, BrightView display assemblySpeaker assembly includes cable Power button board includes cableDescription Spare part number KeyboardsModem module Wlan module Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapterMemory modules Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter Battery Bluetooth moduleComputer major components 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 Miscellaneous parts Power cord, AC, 3 wire, black, 1.83-mDescription Spare part number AC adapters Rubber kitSpare part Description Number Sequential part number listingPresario, matte black HP, silver Module, silver HP, charcoal 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 Page Page Optical drive Page Wlan module Page Memory module Page Keyboard Page Top cover Page Page Description Spare part number Speaker assembly 600189-001 Speaker assemblyPower button board TouchPad button board Modem module Page Bluetooth module USB board Power connector cable Display assembly Page Page Page Page Page Page System board Page Page Optical drive Sata cable and connector Page Description Spare part number RTC battery 602745-001 RTC batteryPage Subsystem memory includes thermal material Fan/heat sink assemblyPage Page Processor Page 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 Computer Setup in Linux 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 Pin Signal Connector pin assignmentsAudio-out headphone Audio-in microphoneExternal monitor RJ-45 network RJ-11 modemHdmi Universal Serial Bus Requirements for all countries or regions Power cord set requirementsCountry/region Accredited agency Applicable note number Requirements for specific countries or regionsDisplay BatteryRecycling Page Page Page Page Page Index Symbols/NumericsInverter Hdmi