Lenovo ThinkCentre M55e - Manual (Page 35)

6. Remove the fan assembly by releasing the tabs as shown.
7. Install the new fan assembly and connect the fan cables to the system board.
8. Reinstall the plastic fan insert.
9. Reinstall the front bezel.
10. Go to “Completing the parts replacement” on page 30.
Replacing the internal speaker
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at
http://www.lenovo.com/support.
This section provides instructions on how to replace the internal speaker.
1. Open the computer cover. See “Opening the cover” on page 5.
Chapter 2. Replacing hardware 27