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

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

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 Northbridge Switchable discrete graphics not Category Description Computer modelsEquipped with an AMD processor Intel processor Panel Wireless Optical drive selectAudio and video Ethernet Power CardPorts Keyboard Security Operating system PreinstalledServiceability End-user replaceable parts External component identification DisplayComponent Description HP HP MediaSmart HP Button Component Keys Fn key Lights TouchPad Left side Environmental Notices Right side Bottom Service tag Illustrated parts catalog Service technician determine what components Computer major components Power button board includes cable Component Spare part number Power connector cable Plastics Kit, includes Battery Wlan module Cable Kit Component Spare part number Cable Kit, includes 646119-001 Display assembly subcomponents Mass storage devices Hard Drive Hardware Kit , includes Screw Kit Miscellaneous partsComponent Spare part number HP Smart AC adapter Plastics Kit Sequential part number listing Spare part number Description Hard drive bracket, or screws Sequential part number listing 646181-001 Removal and replacement procedures Preliminary replacement requirementsService considerations Tools required Grounding guidelines Drive handling Preliminary replacement requirements Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection level Component replacement procedures Service tag Computer feet Battery Description Spare part number Optical 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 Utility Navigating and selecting in Setup Utility Displaying system information Updating the Bios Restoring factory settings in Setup UtilityExiting Setup Utility Determining the Bios version Using System Diagnostics Specifications Computer specifications Inch display specifications Hard drive specifications Backup and recovery Restore Creating restore media Performing a system restore Select Start All Programs Recovery Manager Recovery Manager Restoring using the restore media Changing the computer boot order Backing up and recovering your information Using Windows Backup and Restore Using Windows system restore points Create a system restore point Power cord set requirements Requirements for all countries Requirements for specific countries and regions Country/region Accredited agency Applicable note number Battery RecyclingPage Page Page Page Page Index Hdmi Procedures