4–26
Maintenance and Service Guide
Removal and replacement procedures
Button board and cable
Before removing the button board and cable, 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 4-7
).
5. Remove the accessory cover (see
“Mass storage device” on page 4-9
).
6. Remove the keyboard (see
“Keyboard” on page 4-23
).
Remove the button board and cable:
1. Release the ZIF connector
1
to which the button board cable is attached, and then disconnect the button board
cable
2
from the system board.
2. Release the button board cable from the top cover. (The button board cable is attached to the top cover with
double-sided tape.)
Description
Spare part number
Button board with FFC (includes cable)
618815-001
