Replacing CRUs
29
Replacing the control button board
Attention
Do not open your computer or attempt any repairs before reading the
Important
Product Information Guide
.
1
Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
2
Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently
lay it down so that the screen is against the surface and the computer cover is facing up.
3
Remove the computer stand. For details, see
Replacing the computer stand.
4
Remove the computer cover. For details, see
Removing the computer cover.
5
Disconnect the control button board cable from the control button board.
6
Replace the control button board.
1
2
7
Reconnect the control button board cable to the control button board.
8
Reinstall the removed parts and computer cover, and then reconnect the cables. For details,
see
Completing the parts replacement.
