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

This section provides instructions on how to replace the card reader.
Note: The card reader is available only in some models.
To replace the card reader, 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 69.
4. Locate the card reader in the computer. See "FRU locations" on page 67.
5. Disconnect the USB cable from the card reader.
6. Remove the two screws that secure the card reader and then lift the card reader out of the computer.
Figure 34. Removing the card reader
7. Align the screw holes in the new card reader with those in the computer and then install the two screws
to secure the card reader.
8. Connect the USB cable to the new card reader.
9. Go to "Completing the parts replacement" on page 108.

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.
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Chapter 8 Replacing FRUs
95