7. Connect one end of the signal cable to the rear of the new optical drive and the other end to an available
SATA connector on the system board. See “Locating parts on the system board” on page 9. Then,
locate an available ve-wire power connector and connect it to the rear of the new optical drive.
Figure 25. Connecting a SATA optical drive
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to “Completing the parts replacement” on page 37
.
Replacing the hard disk 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 hard disk drive.
To replace the hard disk 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 14.
3. Locate the primary hard disk drive. See “Locating internal drives” on page 10.
Note: There is also a secondary hard disk drive bay for you to purchase and install a secondary hard
disk drive by yourself. If you want to install a secondary hard disk drive, use the same way of installing
the primary hard disk drive.
4. Disconnect the signal cable and the power cable from the rear of the hard disk drive.
5. Remove the four screws that secure the hard disk drive. Then, slide the hard disk drive out of the chassis.
30 ThinkCentre User Guide