Replacing The Optical Drive - Lenovo C20–00 Hardware Maintenance Manual

Step 7. Reattach the rear cover.

Replacing the optical drive

Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before replacing the optical drive.
To replace the optical drive:
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to "Left and right view"
and "Rear view" for help with locating the various connectors.
Step 4. Remove the rear cover, refer to "Removing the rear cover".
Step 5. Remove the screw that secures the optical disk drive to the rear cover, and then slide out the
optical drive as shown.
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Lenovo C20–00 Non-Touch All-In-One PC Hardware Maintenance Manual