HP CQ40-408AU, CQ40-416TU, CQ40-417TU, CQ40-404AX, CQ40-421AX, CQ40-409TU manual Power button board

Page 56

Power button board

Description

Spare part number

 

 

Power button board

492249-001

 

 

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 34).

5.Remove the following components:

a.Optical drive (see Optical drive on page 35)

b.Hard drive (see Hard drive on page 36)

c.Keyboard (see Keyboard on page 44)

d.Keyboard cover (see Keyboard cover on page 46)

Remove the power button board:

1.Turn the keyboard cover display-side down.

2.Remove the Phillips PM2.5×3.0 screw (1) from the power button board.

3.Lift the power button board (2) up and away from the keyboard cover.

Reverse this procedure to install the power button board.

48 Chapter 4 Removal and replacement procedures

Image 56
Contents Compaq Presario CQ40 Notebook PC First Edition April Document Part Number Safety warning notice Iv Safety warning notice Table of contents Setup Utility Screw listing Recycling Product description Wireless Category DescriptionHard drives Optical drivesPower requirements Operating system PreinstalledServiceability End-user replaceable parts Category Description External media cardExternal component identification Top componentsTouchPad Component DescriptionLights Top componentsExternal component identification Panel System and Maintenance Power Options Buttons and speakersKeys Fn keyDisplay Wireless antennas Front components Left-side components Rear component Right-side componentsBottom components Service tag Illustrated part numbers catalogComputer major components Illustrated part numbers catalogPower button board not illustrated Speaker assemblyKeyboard Top coverDescription Spare part number Base enclosureBattery, 6-cell Li-Ion 2.2-Ah, 47-Wh Bluetooth moduleBluetooth module cable not illustrated Display assembly components 487283-001Plastics Kit Item Description Spare part number Plastics Kit 486862-001Mass storage devices Item Description Spare part numberInternal display switch module Power cordMiscellaneous parts Description Spare part number PFC AC adapterSequential part number listing Spare part Description NumberSequential part number listing Illustrated part numbers catalog Removal and replacement procedures Preliminary replacement requirementsService considerations Tools requiredCables and connectors Event 10% 40% 55% Grounding guidelinesTypical electrostatic voltage levels Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Service tagComputer feet Battery Optical drive Hard drive Page Wlan module Page RTC battery Page Memory module Page Keyboard For use Spare part numberPage Keyboard cover Page Power button board Speaker assembly Description Spare part number Speaker assembly 486865-001Page Display assembly Page Page Page Page Page Camera module Description Spare part number Camera module 487287-001Microphone module Top cover Page Page TouchPad button board Page Bluetooth module Description Spare part number Bluetooth module 483113-001Page Modem module select models only Page Audio board Page USB board Page Power connector cable Page System board Modem cable see Modem module select models only onPage Removal and replacement procedures Heat sink Page Processor Page Fan Description Spare part number Fan 486844-001Page Setup Utility Starting the Setup UtilityChanging the language of the Setup Utility Navigating and selecting in the Setup UtilityRestoring default settings in the Setup Utility Displaying system informationExiting the Setup Utility Setup Utility menus Select To do thisSelect Primary Hard Disk Self TestSpecifications Computer specifications14.1-in, Wxga BrightView display specifications Hard drive specifications Access time Transfer modeApplicable disc Read WriteApplicable disc Read Write CD-DA, CD+EG, CD-MIDI, CDTEXT, CD-ROM, CD-ROM XASystem DMA specifications Hardware DMA System functionSystem interrupt specifications Hardware IRQ System functionSystem I/O address specifications Address hex System function shipping configurationSystem I/O address specifications System memory map specifications Size Memory address System functionScrew listing Phillips PM2.0×2.0 broadhead screw Color Quantity Length Thread Head diameter BlackPhillips PM2.0×3.0 screw black Phillips PM2.0×3.0 screw silver Color Quantity Length Thread Head diameter SilverPhillips PM2.0×4.0 screw Page Phillips PM2.0×10.0 captive screw Color Quantity Length Thread Head diameter Black 10.0 mmPhillips PM2.5×3.0 screw Page Page Phillips PM2.5×4.0 screw Phillips PM2.5×5.0 screw Page Page Phillips PM2.5×5.0 captive screw Phillips PM2.5×6.0 screw Page Phillips PM2.5×7.0 captive screw Phillips PM2.5×10.0 screw Phillips PM2.5×18.0 screw Color Quantity Length Thread Head diameter Black 18.0 mmPhillips PM3.0×3.0 screw Backup and recovery Recovering system informationCreating recovery discs Backing up your informationBackup suggestions Create a system restore point Performing a recovery Recovering from the recovery discsConnector pin assignments Pin SignalAudio-in microphone Audio-out headphoneExternal monitor Hdmi RJ-11 modem select models only RJ-45 networkUniversal Serial Bus Power cord set requirements Requirements for all countries or regionsRequirements for specific countries or regions Country/region Accredited agency Applicable note numberDisplay BatteryRecycling Page Page Page Page Page Symbols/Numerics IndexPage Hdmi Page
Related manuals
Manual 15 pages 8.83 Kb Manual 44 pages 17.05 Kb Manual 13 pages 4.18 Kb Manual 35 pages 4.02 Kb Manual 14 pages 30.41 Kb Manual 24 pages 54.01 Kb Manual 32 pages 16.42 Kb Manual 8 pages 26.72 Kb Manual 16 pages 63.68 Kb Manual 12 pages 24.14 Kb Manual 21 pages 40.66 Kb Manual 14 pages 39.67 Kb Manual 10 pages 20.9 Kb