Installing Or Replacing The Card Reader - Lenovo ThinkCentre M91p 4524 Hardware Maintenance Manual

6. Install the new card into the appropriate card slot on the system board and rotate the card retainer to the
closed position. See "Locating parts on the system board" on page 77.
Figure 61. Installing the PCI card
7. To complete the installation or replacement, go to "Completing the parts replacement" on page 160.

Installing or replacing the card reader

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre User Guide. To obtain a copy of the ThinkCentre User Guide, go to:
http://www.lenovo.com/ThinkCentreUserGuides
This section provides instructions on how to install or replace the card reader.
Note: The card reader is only available in some models. For new installation, see "Installing the card reader"
on page 128. For replacement, see "Replacing the card reader" on page 130.
Installing the card reader
To install 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. Open the computer cover. See "Opening the computer cover" on page 121.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 122.
4. Locate the card reader drive bay. See "Locating internal drives" on page 120.
Note: You might have to remove the metal cover of the card reader drive bay.
128
ThinkCentre Hardware Maintenance Manual