Power Button Board - HP Compaq Presario,Presario CQ42-121 Maintenance And Service Manual

Power button board

Description
Power button board (with cable)
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
5. Remove the following components:
a. Hard drive (see
b. Optical drive (see
c. Keyboard (see
d. Top cover (see
Remove the power button board:
1. Turn the top cover upside down with the rear edge toward you.
2. Remove the Phillips PM2.5×3.0 screw (1) that secures the power button board to the top cover.
3. Remove the power button board (2).
68 Chapter 4 Removal and replacement procedures
Battery on page 52).
Hard drive on page 53)
Optical drive on page
Keyboard on page 62)
Top cover on page 64)
56)
Spare part number
600188-001
ENWW