Replacing The Card Reader - Lenovo ThinkCentre A70 7099 Hardware Maintenance Manual

Replacing the card reader

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:
Figure 28. Removing the card reader
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
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. Remove the computer cover. See "Removing the computer cover" on page 88.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on
page 90.
4. Disconnect the card reader cable from the USB connector on the system board.
See "Locating parts on the system board" on page 86.
5. Note the card reader cable routing and remove the screw that secures the card
reader. Then, remove the card reader from the chassis.
6. Position the new card reader to the chassis so that the screw hole in the new
card reader is aligned with the corresponding hole in the chassis.
7. Install the screw to secure the new card reader in place.
8. Connect the new card reader cable to the USB connector on the system board
and properly route the cable of the new card reader. See "Locating parts on
the system board" on page 86.
Chapter 8. Replacing FRUs - Tower computers
109