Compaq CQ42 manual

15.Remove the backlight cables (1) from the clip (2) in the display panel.

16.Turn the display panel upside-down.

WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury.

17.Remove the backlight frame from the display panel.

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Contents

Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC First Edition April Document Part Number Safety warning notice Iv Safety warning notice MSG revision history Revision Publication date Description Vi MSG revision history Table of contents Setup Utility 102 116 Product description AMD Athlon II Processor 150 100AMD Turion II Processor AMD Sempron II Processor ATi Discrete PCI Express x Graphics Memory Diskette drive Hard drivesOptical drives Camera Modem Wireless Integrated wireless local areaWireless module Ethernet Serviceability End-user replaceable parts PowerOperating system Preinstalled Keyboard 150 100 Optical drive Mini-card device External component identification Identifying the hardware TouchPad Top componentsComponent Description Lights Control Panel System and Security Power Options Button and speakers Keys Fn key Display Right-side components Left-side components Bottom components Wireless antennas Additional hardware components Illustrated parts catalog Serial number location 35.6 cm 14-in, WXGA, BrightView display assembly Computer major components Description Spare part number Power button board includes cableSpeaker assembly includes cable Keyboards Memory modules Wlan module Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapterModem module Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter Bluetooth module Battery Computer major components Display assembly components 592144-001 Webcam module Display back coverDisplay rubber display kit not illustrated Plastics Kit Item Description Spare part number Plastics kit 600190-001 Mass storage devices Description Spare part number AC adapters Power cord, AC, 3 wire, black, 1.83-mMiscellaneous parts Rubber kit Sequential part number listing Spare part Description Number Presario, matte black HP, silver Module, silver HP, charcoal Service considerations Removal and replacement proceduresPreliminary replacement requirements Tools required Cables and connectors Drive handling Typical electrostatic voltage levels Grounding guidelinesElectrostatic discharge damage Event 10% 40% 55% Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection level Component replacement procedures Serial number Computer feet Description Spare part number Rubber Feet Kit 600184-001 Battery Hard drive Page Page Optical drive Page Wlan module Page Memory module Page Keyboard Page Top cover Page Page Speaker assembly Description Spare part number Speaker assembly 600189-001 Power 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 RTC battery Description Spare part number RTC battery 602745-001Page Fan/heat sink assembly Subsystem memory includes thermal materialPage Page Processor Page Starting Setup Utility Setup UtilityComputer Setup in Windows Using Setup Utility Navigating and selecting in Setup Utility Displaying system information Restoring default settings in Setup Utility Main menu Setup Utility menusExiting Setup Utility Security menu Diagnostics menu System Configuration menuPrimary Hard Disk Self Test Using Computer Setup Computer Setup in LinuxStarting Computer Setup Navigating and selecting in Computer Setup Restoring factory settings in Computer Setup Computer Setup menus File menu Security menu System Configuration menu Computer Setup in Linux Specifications Computer specifications 35.6-cm14.0-in display specifications Hard drive specifications Applicable disc Random access timeTransfer mode Cache buffer Data transfer rate BD-ROM, BD-ROM-DL, BD-R, BD-R-DL, BD-RE, BD-RE-DL, DVD-ROM System resource specifications Select Start Computer Backup and recovery Windows Creating recovery discs Backing up your information Using Windows Backup and Restore Performing a recovery Using system restore points Recovering from the recovery discs Select Start All Programs Recovery Manager Recovery Manager Linux backup and recovery Audio-out headphone Connector pin assignmentsPin Signal Audio-in microphone External monitor RJ-11 modem RJ-45 network Hdmi Universal Serial Bus Power cord set requirements Requirements for all countries or regions Requirements for specific countries or regions Country/region Accredited agency Applicable note number Recycling BatteryDisplay Page Page Page Page Page Symbols/Numerics Index Inverter Hdmi