Power Button Board - HP ProBook 4535s Service Manual

4. Lift the side of the board (3), slide it out from under the tab, and then remove the board from the
top cover (4).
Reverse this procedure to install the Quick Launch board.

Power button board

Description
Power button board
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. Bottom door (see
b. Optical drive (see
c. Keyboard (see
d. Top cover (see
68 Chapter 4 Removal and replacement procedures
Battery on page 41).
Bottom door on page
Optical drive on page
Keyboard on page 57)
Top cover on page 59)
43).
44)
Spare part number
646294-001