HP CQ57-229WM, CQ57-218NR, CQ57-212NR, CQ57-214NR manual

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3.Detach the RTC battery (2) from the system board. (The RTC battery is attached to the system board with double-sided tape.)

4.Remove the RTC battery.

Reverse this procedure to install the RTC battery.

72	Chapter 4 Removal and replacement procedures

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Contents Compaq Presario CQ57 Notebook PC First Edition March Document Part Number Safety warning notice Iv Safety warning notice Table of contents Specifications Power cord set requirements Viii Product description ProcessorsChipset NorthbridgeSwitchable discrete graphics not Category Description Computer modelsEquipped with an AMD processor Intel processor PanelWireless Optical drive selectAudio and video EthernetPower CardPorts KeyboardSecurity Operating system PreinstalledServiceability End-user replaceable parts External component identification DisplayComponent Description HP HP MediaSmart HPButton ComponentKeys Fn keyLights TouchPad Left side Environmental NoticesRight side Bottom Service tag Illustrated parts catalogService technician determine what components Computer major components Power button board includes cable Component Spare part numberPower connector cable Plastics Kit, includesBattery Wlan moduleCable Kit Component Spare part number Cable Kit, includes 646119-001Display assembly subcomponents Mass storage devices Hard Drive Hardware Kit , includesScrew Kit Miscellaneous partsComponent Spare part number HP Smart AC adapter Plastics Kit Sequential part number listing Spare part number DescriptionHard drive bracket, or screws Sequential part number listing 646181-001 Removal and replacement procedures Preliminary replacement requirementsService considerations Tools requiredGrounding guidelines Drive handlingPreliminary replacement requirements Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Service tagComputer feet Battery Description Spare part numberOptical drive select models only Page Page Wlan module Page Memory module Hard drive Page Page Keyboard Page Page Top cover Page Page Page Power button board TouchPad button board Page USB board Power connector cable Page Speakers Optical drive connector cable Display assembly Page Page Page Page Page Page System board Page Page RTC battery Page Fan/heat sink assembly Page Component replacement procedures Page Page Page Processor Page Setup Utility Bios and System Diagnostics Using Setup UtilityStarting Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Displaying system informationUpdating the Bios Restoring factory settings in Setup UtilityExiting Setup Utility Determining the Bios version Using System Diagnostics Specifications Computer specificationsInch display specifications Hard drive specifications Backup and recovery RestoreCreating restore media Performing a system restore Select Start All Programs Recovery Manager Recovery ManagerRestoring using the restore media Changing the computer boot orderBacking up and recovering your information Using Windows Backup and Restore Using Windows system restore pointsCreate a system restore point Power cord set requirements Requirements for all countriesRequirements for specific countries and regions Country/region Accredited agency Applicable note numberBattery RecyclingPage Page Page Page Page Index Hdmi Procedures

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