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Figure 23. Installing the secondary hard disk drive and drive cage
11. Connect the signal and power cables to the rear of the new hard disk drive.
12. Go to “Completing the FRU replacement” on page 97.
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://www.lenovo.com/support
This section provides instructions on how to replace the optical drive.
To replace the optical drive, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 68.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 71.
4. Disconnect the signal cable and the power cable from the rear of the optical drive.
5. Press the blue release button 1 and slide the optical drive out of the optical drive bay.
Chapter 8. Replacing FRUs 87