Replacing The Rear I/O Assembly - Lenovo ThinkCentre M90z 0852 User Manual

Replacing the rear I/O assembly

Attention
Do not open your computer or attempt any repair before reading and
understanding the "Important safety information" in the ThinkCentre Safety
and Warranty Guide that came with your computer. To obtain a copy of the
ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the rear I/O assembly.
To replace the rear I/O assembly, do the following:
1. Remove all media from the drives and turn off all attached devices and the
computer. Then, disconnect all power cords from electrical outlets and
disconnect all cables that are connected to the computer.
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 cover. See "Removing the computer cover" on page 16.
4. Remove the rear I/O assembly cover. See "Removing or reinstalling the rear
I/O assembly cover" on page 20.
5. Locate the rear I/O assembly. See "Component locations" on page 12.
Chapter 2. Installing or replacing hardware
49