HP ProBook 6550b HP ProBook 6455b, 6555b, 6450b,and 6550b Notebook PCs - Maint - Page 113

Power button board, Release the ZIF connector to which the power button board cable is attached

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Power button board Description Power button board (includes cable) Spare part number 613310-001 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 79). 5. Remove the switch cover (see Switch cover on page 103) Remove the power button board: 1. Turn the switch cover upside down, with the rear toward you. 2. Release the ZIF connector to which the power button board cable is attached, and then disconnect the power button board cable (1) from the capacitive board. 3. Remove the two Phillips PM2.0×3.0 screws (2) that secure the power button board to the switch cover. Component replacement procedures 105

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Power button board
Description
Spare part
number
Power button board (includes cable)
613310-001
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
79
).
5.
Remove the switch cover (see
Switch cover
on page
103
)
Remove the power button board:
1.
Turn the switch cover upside down, with the rear toward you.
2.
Release the ZIF connector to which the power button board cable is attached, and then disconnect
the power button board cable
(1)
from the capacitive board.
3.
Remove the two Phillips PM2.0×3.0 screws
(2)
that secure the power button board to the switch
cover.
Component replacement procedures
105