Removing The Rear Computer Cover - Lenovo 90JX Hardware Maintenance Manual

Step 9. Reinstall all the removed parts, and then reconnect the cables.

Removing the rear computer 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 computer screen from scratches
or other damage.
To remove the rear computer cover:
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.
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 Chapter 7 "Locating
connectors, controls and components" on page 21 to locate the various connectors.
Step 4. Remove the left computer cover. Refer to "Removing the left computer cover" on page 30.
Step 5. Remove the right computer cover. Refer to "Removing the right computer cover" on page 31.
Step 6. Remove the four screws that secure the rear computer cover
cover outward 2 .
1 , and then pivot the rear computer
.
Chapter 10 Replacing hardware
35