Installing Or Replacing The Optical Drive; Remove All Media From The Drives And Turn Off All Attached Devices And The Computer. Then, Disconnect; Remove The Computer Cover. See "Removing The Computer Cover; Remove The Front Bezel. See "Removing And Reinstalling The Front Bezel" On Page 136 4. Pivot The Drive Bay Assembly Upward. See "Accessing The System Board Components And Drives - Lenovo 10B0 Maintenance Manual

11. Install the screw 1
Figure 91. Installing the screw to secure the bracket on the bottom of the optical drive bay
12. Connect one end of the signal cable to the bottom of the new solid-state drive and the other end to
an available SATA connector on the system board. See "Locating parts on the system board" on
page 80. Then, locate an available four-wire power connector and connect it to the bottom of the
new solid-state drive.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 186.

Installing or replacing the optical drive

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
on page 1.
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 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 136.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 136
4. Pivot the drive bay assembly upward. See "Accessing the system board components and drives" on
page 138.
5. Disconnect the signal cable and the power cable from the rear of the optical drive.
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ThinkCentre M73 Hardware Maintenance Manual
to secure the bracket on the bottom of the optical drive bay.