HP dv7-6b56nr A1T84UAR#ABA manual Power button board

Removal and replacement procedures

Power button board

Description	Spare part number
Power button board (includes cable)	518165-001

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 4-7).

5.Remove the primary hard drive cover (see “Primary hard drive cover” on page 4-9).

6.Remove the primary hard drive (see “Hard drive” on page 4-12).

7.Remove the switch cover and keyboard (see “Switch cover and keyboard” on page 4-21).

Remove the power button board:

1.Turn the switch cover upside down, with the front toward you.

2.Remove the Phillips PM2.0×4.0 screw 1 that secures the power button board to the switch cover.

3.Remove the power button board 2 and cable.

Reverse this procedure to install the power button board.

Maintenance and Service Guide 4–25