Optical Drive - Lenovo ThinkCentre M80s Gen 3 Maintenance Manual

Before you open the computer cover, turn off the computer and wait several minutes until the computer is
cool.
For access, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer.
2. Disconnect all power cords from electrical outlets and disconnect all cables from the computer.
3. Unlock any locking device that secures the computer cover.
4. Remove the vertical stand. See "Vertical stand" on page 55.
5. Lay down the computer to place the computer cover facing up.
Removal steps
Note: If a locking device is available, use it to lock the computer after installing the computer cover.

Optical drive

Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
For access, do the following:
1. Remove the "Computer cover" on page 55.
2. Disconnect the signal and power cable from the optical drive.
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M70s Gen 3 / M80s Gen 3 / M90s Gen 3 Hardware Maintenance Manual