Lenovo ThinkCentre M55e - Manual (Page 23)

2. Pivot the drive bay assembly upward to gain access to the heat sink.
3. Remove the heat sink from the system board by pivoting the lever 1 securing
the heat sink until it is fully in the up position. Carefully lift the heat sink off of
the system board.
4. Place the new heat sink into position and lower the lever to secure the heat
sink.
5. Go to “Completing the parts replacement” on page 30.
Replacing a hard disk drive
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.
Chapter 2. Replacing hardware 15