10. Install the hard disk drive cage into the chassis until it snaps into position
underneath the metal tab. Make sure that the hard disk drive cage is secured
in the chassis.
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 120.
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:
1. Remove the computer cover. See “Removing the computer cover” on page 86.
2. Remove the front bezel. See “Removing and reinstalling the front bezel” on
page 89.
3. Disconnect the signal cable and the power cable from the rear of the optical
drive.
Figure 25. Installing the secondary hard disk drive and drive cage
110 Hardware Maintenance Manual
