Power Button Board - HP Pavilion DV4-2155 Maintenance And Service Manual

Power button board

Description
Power button board (includes cable)
Before removing the power button board:
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 disconnecting the power cord from the AC outlet and then
disconnecting the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Hard Drive (see
b. Mini Card compartment cover (see
c. Optical drive (see
d. Keyboard (see
e. Keyboard cover (see
Remove the power button board:
1. Disconnect the power button board cable 1 from the system board.
2. Remove the Phillips PM2.5×3.0 screw 2 that secures the power button board to the system board.
3. Remove the power button board 3.
Reverse this procedure to install the power button board.
Maintenance and Service Guide
"Battery" on page
"Hard Drive" on page 4-8)
"RTC battery" on page
"Optical drive" on page
"Keyboard" on page 4-20)
"Keyboard cover" on page
4-7).
4-12)
4-19)
4-23)
Removal and replacement procedures
Spare part number
486853-001
4–25