HP 15-bd000 15-ay099 250 G5 Notebook PC 256 G5 Notebook PC - Maintenance and S - Page 93

Power button board

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Power button board Description Power button board (includes cable) Spare part number 855012-001 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 48). 5. Remove the optical drive (see Optical drive on page 49), if installed. 6. Remove the bottom cover (see Bottom cover on page 52). 7. Remove the display (see Display assembly on page 77). To remove the power button board: 1. Disconnect the power button board cable from the system board (1). 2. Remove the Phillips PM2.0×3.0 screw (2) that secures the power button board to the computer. 3. If necessary, lift the cable to disengage the adhesive that secures it to computer. 4. Note the tab (3) that secures the board. Rotate the bottom of the board upward to remove the board and cable from the computer (4). Reverse this procedure to install the power button board and cable. Component replacement procedures 85

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Power button board
Description
Spare part number
Power button board (includes cable)
855012-001
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
48
).
5.
Remove the optical drive (see
Optical drive
on page
49
), if installed.
6.
Remove the bottom cover (see
Bottom cover
on page
52
).
7.
Remove the display (see
Display assembly
on page
77
).
To remove the power button board:
1.
Disconnect the power button board cable from the system board
(1)
.
2.
Remove the Phillips PM2.0×3.0 screw
(2)
that secures the power button board to the computer.
3.
If necessary, lift the cable to disengage the adhesive that secures it to computer.
4.
Note the tab
(3)
that secures the board. Rotate the bottom of the board upward to remove the board and
cable from the computer
(4)
.
Reverse this procedure to install the power button board and cable.
Component replacement procedures
85