
Power button board
Description
Spare part number
Power button board for use in models with discrete graphics (includes cable)
718436-001
Power button board for use in models with UMA graphics (includes cable)
753197-001
Before removing the power button board, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
) and then remove the following components:
a.
Hard drive (see
)
b.
Memory module service cover (see
c.
Optical drive (see
)
d.
Keyboard (see
e.
Top cover (see
)
Remove the power button board:
1.
Detach the power button board cable
(1)
from the top cover. (The power button board cable is attached
to the top cover with double-sided tape.)
2.
Remove the Phillips PM2.5×4.0 screw
(2)
that secures the power button board to the top cover.
3.
Lift the left side of the power button board
(3)
until it rests at an angle, and then remove the power
button board by sliding it up and to the left
(4)
.
Reverse this procedure to install the power button board.
Component replacement procedures
53