Lenovo ThinkCentre M79 Hardware Maintenance Manual page 129

1. Remove any 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 101.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 102.
4. Record the cable routing of the installed slim card reader and disconnect the cable of the slim card
reader from the system board.
5. Remove the screw that secures the slim card reader bracket and then remove the bracket from the
chassis.
Figure 39. Removing the slim card reader bracket
6. Remove the two screws that secure the slim card reader to the bracket. Then, slide the slim card
reader as shown to remove it from the bracket.
Note: Touch only the edges of the slim card reader. Do not touch the circuit board of it.
Figure 40. Removing the slim card reader from the bracket
7. Take the new slim card reader out of the static-protective package by its sides.
8. Align the new slim card reader in the slim card reader bracket and slide the slim card reader into the rail
as shown until it stops. Then, install the two screws to secure the new slim card reader to the bracket.
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Chapter 11 Installing or replacing hardware
121