HP ProBook 4325s HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 62

Power button board, Switch cover see

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Power button board Description Power button board with cable (included with switch cover, see Switch cover on page 46) 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 44). 5. Switch cover (see Switch cover on page 46) Remove the power button board: 1. Disconnect the power button board cable (1). 2. Gently pull the power button board away from the double-sided tape that secures the board to the base enclosure. 3. Remove the power button board (2). Reverse this procedure to install the power button board. 54 Chapter 4 Removal and replacement procedures

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Power button board
Description
Power button board with cable (included with switch cover, see
Switch cover
on page
46
)
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
44
).
5.
Switch cover (see
Switch cover
on page
46
)
Remove the power button board:
1.
Disconnect the power button board cable
(1)
.
2.
Gently pull the power button board away from the double-sided tape that secures the board to the
base enclosure.
3.
Remove the power button board
(2)
.
Reverse this procedure to install the power button board.
54
Chapter 4
Removal and replacement procedures