Replacing The Optical Drive - Lenovo ThinkCentre M77 Hardware Maintenance Manual

10. To complete the replacement, go to "Completing the parts replacement" on page 160.

Replacing the optical drive

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:
http://support.lenovo.com
This section provides instructions on how to replace the optical drive.
To replace the optical drive, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See "Opening the computer cover" on page 121.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 122.
4. Remove the hard disk drive. See "Replacing the hard disk drive" on page 135.
5. Press the blue retaining clip to pivot the optical drive bay upward.
Figure 71. Pivoting the optical drive bay
6. Disconnect the signal cable and the power cable from the rear of the optical drive.
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ThinkCentre Hardware Maintenance Manual