Function Board/Power Button Board Assembly - HP ProBook 4540s Maintenance And Service Manual

Function board/Power button board assembly

Description
Function board/Power button board assembly for use in 4540s models (includes cable)
Function board/Power button board for use in 4440s/4441s models (includes cable)
Before removing the function board and 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. Bottom door (see
b. Keyboard (see
c. Top cover (see
d. Speaker (see
Remove the function board/power button board assembly:
1. Position the top cover upside-down with the front toward you.
2. Remove the two Phillips PM2.0×4.0 screws (1) that secure the boards to the top cover.
3. Remove the function board from the top cover (2).
Battery on page
Bottom door on page
Keyboard on page 70)
Top cover on page 82)
Speaker assembly on page
55).
58).
91)
Component replacement procedures
Spare part number
683486-001
683653-001
93