HP CQ42-219AX, CQ42-205AU, CQ42-220AX Reverse the preceding procedure to install the system board

Page 93

5.Release the system board by sliding it to the right at an angle (3) until the connectors on the left side of the system board clear the base enclosure, and then remove the system board.

6.If it is necessary to replace the modem module cable, remove the RJ-11 connector (1) from the clip built into the base enclosure.

7.Remove the modem module cable (2) from the routing channel built into the base enclosure. The modem module cable is available using spare part number 610791-001.

When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:

●Fan/heat sink assembly (see Fan/heat sink assembly on page 88)

●Processor (see Processor on page 91)

Reverse the preceding procedure to install the system board.

ENWW

Component replacement procedures 83

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Contents
Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC First Edition April 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 107 129 Product description AMD Turion Processor AMD Phenom ProcessorAMD Athlon Processor AMD Sempron ProcessorChipset Graphics Intel UMA Integrated/HD ATi Discrete PCI Express x Graphics 150-199 100-149 Intel UMA Integrated/GMA 4500M GL40Memory Switchable Discrete GraphicsHard drives OpticalDrives Drive DisketteCamera MicrophoneExternal Media cardPorts Operating Preinstalled System PowerServiceabilit End-user Replaceable parts KeyboardMemory module Optical drive Mini-card device Enww Identifying the hardware External component identificationTop components TouchPadComponent Description 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 assemblySpeaker assembly includes cable Power button board includes cableDescription Spare part number KeyboardsWlan module Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapter Memory modulesModem module 593533-001 Enww Battery Item Description Spare part number 592144-001 Display assembly componentsDisplay back cover Webcam moduleDisplay rubber display kit not illustrated Item Description Spare part number Plastics kit 600190-001 Plastics KitMass storage devices Mass 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, biscotti Module, silver HP, charcoal for models 1.1 and 1.2 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 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 USB board Power connector cable Display assembly Enww Enww Enww Enww Enww Enww System board Power connector cable see Power connector cable on Reverse the preceding procedure to install the system board Optical drive Sata cable and connector Enww Description Spare part number RTC battery 602745-001 RTC batteryEnww Subsystem memory includes thermal material Fan/heat sink assemblyEnww Enww Processor Enww 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 menuSystem Configuration menu Diagnostics menuPrimary Hard Disk Self Test 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 regionsBattery RecyclingDisplay Enww Display Enww Enww Enww Index Symbols/NumericsInverter USB Enww
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