Replacing The Power Button - Lenovo ThinkCentre M920t User Manual And Hardware Maintenance Manual

Energy star machine types: 10sf, 10sg, 10sh, 10tm, 10u0 and 10u1
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Figure 21. Installing the optical drive bracket
Figure 22. Installing the optical drive
6. Connect the signal cable and the power cable to the new optical drive.
7. Reinstall the removed parts. To complete the replacement, see "Completing the parts replacement" on
page 68.

Replacing the power button

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. Disconnect all
power cords from electrical outlets and disconnect all cables from the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 17.
3. Remove the front bezel. See "Replacing the front bezel" on page 18.
4. Pivot the drive bay assembly upward. See "Pivoting the drive bay assembly upward and downward" on
page 19.
5. Disconnect the power button cable from the system board.
6. Replace the power button.
.
Chapter 4
Replacing hardware
23

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