IBM ThinkCentre 8127, Hardware Maintenance Manual

Page: 50 / 196

1. Turn off the computer and disconnect the power cord from the electrical outlet
and from the computer.
2.
Open the cover. See “Opening the cover” on page 25.
3. Rotate the drive bay assembly upward to gain access to the power button and
LED assembly.
4. Disconnect the power button and LED assembly cable from the system board.
See “Identifying parts on the system board” on page 28.
Note: Make sure you note the location of the power button and LED assembly
cable when you disconnect it from the system board.
5.
Lift the tab and slide the power button and LED assembly
2
out. See Figure 3
on page 43.
6. Install the new power button and LED assembly and reconnect the power
button and LED assembly cable.
7.
Lower the drive bay assembly.
8. Replace the cover, and connect the cables. See “Closing the cover and
connecting the cables” on page 46.
Replacing the fan assembly
To replace the fan assembly:
1.
Turn off the computer and disconnect the power cord from the electrical outlet
and from the computer.
2. Open the cover. See “Opening the cover” on page 25.
3.
Rotate the drive bay assembly upward to gain access to the fan assembly
3
.
See Figure 3 on page 43.
4. Disconnect fan assembly cable from the system board. See “Identifying parts
on the system board” on page 28.
Note: Make sure you note the location of the fan cable when you disconnect
it from the system board.
5. Remove the front bezel by releasing the tab as shown.
44
Hardware Maintenance Manual