Removing The Rear Cover - Lenovo ideacentre All-In-One 520 Hardware Maintenance Manual

Step 7. Remove the optical drive bezel from the optical drive as shown.
Step 8. To install the new optical drive:
a. Insert the tabs on the optical drive bezel into the corresponding holes in the new optical drive,
and then push the bezel back into position.
b. Gently push the disk forward until it snaps into position.
c. Slide the new optical drive into the drive bay.
Step 9. Reattach the hinge cover.

Removing the rear cover

Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or
other damage.
Step 1. Remove any media 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.
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Chapter 8 Replacing hardware
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