Lenovo ThinkCentre E93z, Hardware Maintenance Manual, Page: 107 / 142

Replacing the card reader
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page 1.
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 other flat 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 80.
4. Locate the card reader in the computer. See “Locating major FRUs and CRUs” on page 70.
5. Remove the system board shied. See “Removing and reinstalling the system board shield” on page 86.
6. Disconnect the card-reader cable from the card reader.
7. Remove the two screws 1 that secure the card reader, and then lift the card reader off the computer.
Figure 42. Removing the card reader
Chapter 9
.
Replacing FRUs
103