Removing The Rear Cover - Lenovo IdeaCentre A520 Hardware Maintenance Manual

Removing the rear cover

Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
To remove the rear cover:
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 base cover. Refer to "Removing the base cover".
Step 5. Remove the hinge from the chassis. Refer to "Removing the hinge from the chassis".
Step 6. Raise the hinge
Step 7. Put the head of a flat head screwdriver between the middle frame and the rear cover as shown.
Then using the screwdriver as a lever and the middle frame metal bar as the fulcrum, prise the rear
cover away from the middle frame.
Step 8. Working around the edge in an anti-clockwise direction, use your fingers to prise up the rear cover.
The rear cover is pinned into place, use short, sharp movements to prise it up.
Step 9. Press down the hinge and slide out the rear cover.
Step 10. To reattach the rear cover:
1 and slide the rear deco out as shown.
1
2
2
.
Chapter 8 Replacing hardware
49