HP CQ41-204TX, CQ41-205TX, CQ41-207TX, CQ41-224TX, CQ41-223TX Removal and replacement procedures

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Removal and replacement procedures

3.Disconnect the RTC battery cable 1 from the system board.

4.Release the two-sided tape 2 that holds the RTC battery.

5.Remove the RTC battery 3.

Reverse this procedure to install the RTC battery.

Maintenance and Service Guide

4–13

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Contents Compaq Presario CQ41 Notebook PC Maintenance and Service GuideCopyright 2009 Hewlett-Packard Development Company, L.P Safety warning notice Contents Setup Utility 10Recycling Chipset Product descriptionGraphics PanelOptical drive Hard driveMicrophone AudioExternal media Power requirementsCards PortsOperating system ServiceabilityTop components External component identificationTouchPad Component DescriptionLights Buttons and speakers Security Power OptionsComponent Description Esc key KeysFn key Display Front components Rear component Right-side components Left-side components Bottom components Wireless antennas Additional hardware components Illustrated parts catalog Service tagComputer major components Keyboard cover Item DescriptionTop cover TouchPad bracketDescription Spare Part Number Power connector and cable Audio board Description Spare Part Number Base enclosureDisplay assembly Item Description Spare part number Plastics Kit 486862-001 Plastics KitItem Description Spare part number Mass storage devicesMiscellaneous parts Power cordsDescription Spare part number AC adapters Screw KitSpare part Number Description Sequential part number listingSpare part Number Description Spare part Number Description Zambia, and Zimbabwe Preliminary replacement requirements Removal and replacement proceduresService considerations Tools requiredDrive handling Grounding guidelinesPackaging and transporting guidelines Equipment guidelines Service tag Component replacement proceduresComputer feet Battery Hard drive Removal and replacement procedures Memory module Removal and replacement procedures RTC battery Removal and replacement procedures Wlan module 518436-002 Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Optical drive Keyboard Removal and replacement procedures Optical drive see Optical drive on Keyboard see Keyboard on Keyboard coverRemoval and replacement procedures Speaker assembly Removal and replacement procedures Display assembly Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Webcam/microphone module select models only Microphone module Top cover Removal and replacement procedures Reverse this procedure to install the top cover Bluetooth module and cable select models only Removal and replacement procedures Modem module Removal and replacement procedures Audio board Removal and replacement procedures USB board Removal and replacement procedures Power connector and cable Removal and replacement procedures System board Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Heat sink/fan assembly or heat sink Removal and replacement procedures Removal and replacement procedures Reverse this procedure to install the fan/heat sink assembly Fan for models with UMA graphics subsystems Processor Removal and replacement procedures Starting Setup Utility Setup UtilityUsing Setup Utility Changing the language of Setup UtilityRestoring default settings in Setup Utility Navigating and selecting in Setup UtilityDisplaying system information Exiting Setup Utility Setup Utility menusMain menu Security menuDiagnostics menu System Configuration menuComputer specifications SpecificationsDisplay specifications Hard drive specifications Applicable disc Read Write Access timeInterface Max data transfer rateMax media capacity read Max media capacity write Transport DVD±RW SuperMulti DL Drive with LightScribe specificationsHardware DMA System function System DMA specificationsHardware IRQ System function Atheros AR5009 802.11a/g/n WiFi Adapter Address hex System function shipping configuration CD0 CDB 010 01F Address hex System function shipping configuration Overview Backup and recoveryPage Backing up your information Using system restore points Using Windows Backup and RestoreTo Create a system restore point Performing a recoveryRecovering from the recovery discs Pin Signal Connector pin assignmentsAudio-in microphone Audio-out headphoneExternal monitor Hdmi RJ-11 modem select models only RJ-45 network Universal Serial Bus Requirements for all countries and regions Power cord set requirementsCountry/region Accredited agency Applicable note number Requirements for specific countries and regionsRecycling BatteryDisplay Recycling Maintenance and Service Guide 10-3 10-4 Maintenance and Service Guide 10-5 10-6 Index F11 key 7-6 fan Esc Index-4 Index-5
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