Lenovo ThinkStation 4215 Hardware Maintenance Manual page 119

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 87.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on
page 89.
4. Disconnect the card reader cable from the front USB connector on the system
board. See "Locating parts on the system board" on page 86.
Note: If your computer has a secondary hard disk drive installed, remove the
secondary hard disk drive to get easier access to the front USB connector
on the system board.
5. Press the blue release button and slide the card reader out of the front of the
computer.
Figure 32. Removing the card reader
6. Install the card reader retainer on the side of the new card reader.
Figure 33. Installing the card reader retainer
7. Slide the new card reader into the drive bay until it snaps into position.
8. Connect the card reader cable to the available front USB connector on the
system board. See "Locating parts on the system board" on page 86.
9. Reinstall the front bezel. See "Removing and reinstalling the front bezel" on
page 89.
Chapter 9. Replacing FRUs
113