HP CQ57-410US, CQ57-439WM, CQ57-489CA, CQ57-489WM specs

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.

Component replacement procedures 75

Image 83

HP CQ57-410US, CQ57-439WM, CQ57-489CA, CQ57-489WM manual

Contents

Compaq Presario CQ57 Notebook PC Copyright 2011 Hewlett-Packard Development Company, L.P Safety warning notice Iv Safety warning notice Table of contents Setup Utility Bios and System Diagnostics 101 Viii Processor Intel processor Product Name Product descriptionCategory Description Computer models Equipped with an Northbridge Equipped with an AMDProcessor Intel processor Chipset Hard drives PanelMemory Ethernet WirelessOptical drive select Audio and video Devices External media cardPorts Keyboard/pointing Security Operating system PreinstalledServiceability End-user replaceable parts Support for the following batteries HP MediaSmart HP MediaSmart Webcam External component identificationDisplay Component Description Button Control Panel System and Security Power Fn key Keys Lights TouchPad Environmental Notices Left side Right side Bottom Illustrated parts catalog Service tag Illustrated parts catalog Component Computer major components Component Spare part number Power button board includes cable Plastics Kit, includes Power connector cable Illustrated parts catalog Wlan module Battery Cable Kit Display assembly subcomponents Hard Drive Hardware Kit , includes Mass storage devices Screw Kit Miscellaneous partsComponent Spare part number HP Smart AC adapter Plastics Kit Spare part number Description Sequential part number listing Wireless antenna transceivers and cables Keyboard cable Illustrated parts catalog Computer models in the United States Illustrated parts catalog Tools required Removal and replacement proceduresPreliminary replacement requirements Service considerations Drive handling Grounding guidelines Event 10% 40% 55% Typical electrostatic voltage levels Packaging and transporting guidelines Material Use Voltage protection level Equipment guidelines Service tag Component replacement procedures Computer feet Description Spare part number Battery Optical drive select models only 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 Removal and replacement procedures Page Page Page Processor Page Changing the language of Setup Utility Setup Utility Bios and System DiagnosticsUsing Setup Utility Starting Setup Utility Displaying system information Navigating and selecting in Setup Utility Updating the Bios Restoring factory settings in Setup UtilityExiting Setup Utility Determining the Bios version Using System Diagnostics Computer specifications Specifications Inch display specifications Hard drive specifications Restore Backup and recoveryPage Select Start All Programs Recovery Manager Recovery Manager Performing a system restore Changing the computer boot order Restoring using the restore media Backing up and recovering your information Using Windows system restore points Using Windows Backup and Restore Create a system restore point Requirements for all countries Power cord set requirements Country/region Accredited agency Applicable note number Requirements for specific countries and regions Recycling BatteryPage Page Page Page Page Index Hdmi