Lenovo ThinkCentre Edge 91, Hardware Maintenance Manual

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Figure 54. Installing the hard disk drive
9. To complete the installation or replacement, go to “Completing the parts replacement” on page 141
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 User Guide . To obtain a copy of the ThinkCentre User Guide , go to:
http://www.lenovo.com/ThinkCentreUserGuides
This section provides instructions on how to install or replace the optical drive.
Note: The optical drive is only available in some models.
To replace an optical drive, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 112.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 113.
4. Pivot the drive bay assembly upward. See “Accessing the system board components and drives” on
page 114
5. Disconnect the signal cable and the power cable from the optical drive.
6. Hold the optical drive and remove the two screws that secure the optical drive.
Chapter 9
.
Replacing FRUs (Machine Types: 1857, 1893, and 1895)
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