Replacing The Card Reader - Lenovo Think station 4223 User Manual

8. Connect the signal cable and the power cable to the new optical drive.
Figure 22. Connecting the optical drive
9. Reinstall the front bezel. See "Removing and reinstalling the front bezel" on page 31.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 56.

Replacing the card reader

Attention: Do not open your computer or attempt any repair before reading and understanding the "Important
safety information" on page v.
This section provides instructions on how to install or replace the card reader.
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. Remove the computer cover. See "Removing the computer cover" on page 30.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 31.
4. Locate the card reader. See "Locating components" on page 9.
5. Disconnect the card reader cable from the system board. See "Locating parts on the system board"
on page 10.
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ThinkStation User Guide