Replacing The Rear I/O Assembly - Lenovo ThinkCentre M83z Maintenance Manual

2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer stand. See "Removing and installing the computer stand" on page 73.
4. Remove the computer cover. See "Removing the computer cover" on page 76.
5. Remove the two screws
Figure 21. Removing the system-board shield
6. To install the system-board shield, position the system-board shield into the chassis so that the two
screw holes in the system-board shield align with the corresponding holes in the chassis.
7. Install the two screws to secure the system-board shield to the chassis.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 119.

Replacing the rear I/O assembly

This section provides instructions on how to replace the rear input/output (I/O) assembly.
1 , and then remove the system-board shield from the chassis as shown.
.
Chapter 8 Replacing FRUs
87