HP CQ57-439WM, CQ57-489CA, CQ57-489WM, CQ57-410US manual Power button board

Page 64

Power button board

Description

Spare part number

 

 

Power button board (includes cable)

646129-001

 

 

Before removing the power button board, follow these steps:

1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

2.Disconnect all external devices connected to the computer.

3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.

4.Remove the battery (see Battery on page 40), and then remove the following components:

Optical drive (see Optical drive (select models only) on page 41)

Keyboard (see Keyboard on page 49)

Top cover (see Top cover on page 52)

Remove the power button board:

1.Turn the top cover upside down, with the top toward you.

2.Remove the two Phillips PM2.0×3.0 screws (1) that secure the power button board to the top cover.

3.Remove the power button board and cable (2).

Reverse this procedure to install the power button board and cable.

56 Chapter 4 Removal and replacement procedures

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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 Product description Category Description Computer modelsEquipped with an Processor Intel processor Product NameEquipped with an AMD Processor Intel processorChipset NorthbridgeMemory PanelHard drives Wireless Optical drive selectAudio and video EthernetExternal media card PortsKeyboard/pointing DevicesOperating system Preinstalled Serviceability End-user replaceable partsSupport for the following batteries SecurityExternal component identification DisplayComponent Description HP MediaSmart HP MediaSmart WebcamControl Panel System and Security Power ButtonKeys Fn keyLights TouchPad Left side Environmental NoticesRight side Bottom Service tag Illustrated parts catalogIllustrated parts catalog Computer major components ComponentPower button board includes cable Component Spare part numberPower connector cable Plastics Kit, includesIllustrated parts catalog Battery Wlan moduleCable Kit Display assembly subcomponents Mass storage devices Hard Drive Hardware Kit , includesComponent Spare part number HP Smart AC adapter Miscellaneous partsScrew Kit Plastics Kit Sequential part number listing Spare part number DescriptionWireless antenna transceivers and cables Keyboard cable Illustrated parts catalog Computer models in the United States Illustrated parts catalog Removal and replacement procedures Preliminary replacement requirementsService considerations Tools requiredGrounding guidelines Drive handlingTypical electrostatic voltage levels Event 10% 40% 55%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 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 Setup Utility Bios and System Diagnostics Using Setup UtilityStarting Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Displaying system informationExiting Setup Utility Restoring factory settings in Setup UtilityUpdating the Bios Determining the Bios version Using System Diagnostics Specifications Computer specificationsInch display specifications Hard drive specifications Backup and recovery RestorePage 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
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