Function button board
Description Spare part number
Function button board (includes cable and double-sided adhesive) 734284-001
Before removing the function 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
Battery on page 44), and then remove the following components:
a. Service cover (see
Service cover on page 45)
b. Hard drive (see
Hard drive on page 46)
c. Optical drive (see
Optical drive on page 48)
d. Keyboard (see
Keyboard on page 57)
e. Top cover (see
Top cover on page 65)
Remove the function button board:
1. Detach the function button board cable from the top cover. (The function button board cable is attached
to the top cover with double-sided adhesive.)
2. Turn the top cover upside down, with the front toward you.
3. Release the function button board cable through the opening (1) in the top cover.
4. Remove the Phillips PM2.0×3.0 screw (2) that secures the function button board to the top cover.
Component replacement procedures 71
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