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

Models: CQ40-408AU CQ40-416TU CQ40-404AX CQ40-421AX CQ40-409TU CQ40-417TU

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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

Page 56
Image 56
HP CQ40-408AU, CQ40-416TU, CQ40-417TU, CQ40-404AX, CQ40-421AX, CQ40-409TU manual Power button board