![](/images/new-backgrounds/1102779/10277981x1.webp)
10.Slide the new hard disk drive into the hard disk drive cage until it snaps into position.
11.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.
Figure 23. Installing the secondary hard disk drive and drive cage
12.Connect the signal and power cables to the rear of the new hard disk drive.
13.Go to “Completing the parts replacement” on page 45.
What to do next:
vTo work with another option, go to the appropriate section.
vTo complete the installation, go to “Completing the parts replacement” on page 45.
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:
Chapter 2. Installing or replacing hardware 33