HP G42, CQ42 guide

3.Remove the RTC battery (2).

Reverse this procedure to install the RTC battery.

86 Chapter 4 Removal and replacement procedures

Image 94

HP G42, 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 Table of contents Setup Utility Specifications 105 Recycling 125 Product description AMD Athlon II Processor Models 199 149AMD Turion II Processor AMD Sempron II Processor ATi Discrete PCI Express x Graphics Memory Diskette drive Hard drivesOptical drives Camera Modem MicrophoneAudio Ethernet Ports PowerOperating Preinstalled System Keyboard Serviceability End-user replaceable parts 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 Computer major components Illustrated parts catalog Item 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 adapterDescription Spare part number Modem module Intel Centrino Wireless-N 1000 802.11b/g/n Broadcom 4312G 802.11b/g WiFi Adapter halogen free Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter Bluetooth module Battery Illustrated parts catalog Display assembly components 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 Vietnam, Yemen, Zaire, Zambia and Zimbabwe Hdmi card reader Graphics subsystem memory Intel GL40 chipset Sequential part number listing Service considerations Removal and replacement proceduresPreliminary replacement requirements Tools required Cables and connectors Drive handling Grounding guidelines Electrostatic discharge damage 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 Description Spare part Number 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 Page Modem module Page Bluetooth module Page USB board Page Power connector cable Page 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 replacement materialPage Page Processor Page Page Computer Setup in Windows Setup UtilityStarting Setup Utility Changing the language of Setup Utility Using Setup UtilityNavigating and selecting in Setup Utility Restoring default settings in Setup Utility Displaying system information Main menu Setup Utility menusExiting Setup Utility Security menu Diagnostics menu System Configuration menuPrimary Hard Disk Self Test Setup Utility Using Computer Setup Computer Setup in LinuxStarting Computer Setup Navigating and selecting in Computer Setup Restoring factory settings in Computer Setup File menu Computer Setup menusSelect Sanitizer erase cycles from a list System Configuration menu Setup Utility 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 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 RJ-11 modem jack Identifying RJ-11 jack, pin assignments 120 Webcam