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Replacing the rear I/O shielding
This section provides instructions on how to replace the rear I/O shielding.
Removing the rear I/O shielding
To remove the rear I/O shielding, do the following:
1. Turn off the computer.
2. Disconnect all cables, power cords, and external options from your computer.
3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your
4. Remove the computer cover. See "Removing the computer cover" on page 83.
5. Locate the rear I/O assembly on the system board. See "System board
6. Remove the two screws that secure the rear I/O shielding to the rear I/O
Installing the rear I/O shielding
To install the rear I/O shielding, do the following:
1. Replace the rear I/O shielding over the rear I/O assembly and make sure the
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
See "Rear connectors" on page 78.
computer and gently lay it down so that the screen is against the surface and
the cover is facing up.
connectors" on page 81.
assembly. Carefully remove the rear I/O shielding from the rear I/O assembly.
connectors on the rear I/O assembly are aligned with the holes in the rear I/O
shielding.
Chapter 8. Replacing FRUs
87
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