Replacing The Power Supply Assembly - Lenovo ThinkCentre 7258 User Manual

5. Remove the retainer from the failing diskette drive or card reader and install it
on the new diskette drive or card reader.
Figure 26. Diskette drive or card reader retainer
6. Slide the new diskette drive or card reader into the drive bay until it snaps into
position.
7. Connect the signal cable and the power cable to the new diskette drive. If you
are installing a card reader, connect the signal cable to the card reader
connector on the system board.
8. Reinstall the front bezel.
9. Go to "Completing the parts replacement" on page 43.

Replacing the power supply assembly

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 was
included with your computer. To obtain a copy of the ThinkCentre Safety and Warranty
Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the power supply assembly.
To replace the power supply assembly:
1. Remove the computer cover. See "Removing the computer cover" on page 14.
2. Lay the computer on its side.
3. Disconnect the power supply assembly cables from the system board and
from all drives. See "Identifying parts on the system board" on page 11.
Chapter 2. Installing options and replacing hardware
33