Note: Use only the screws provided by Lenovo.
9.Install and tighten the four screws at the rear of the chassis to secure the power supply.
10.Check the position of the
Note: Some computers do not have a
vIf the voltage supply range is
vIf the voltage supply range is
11.Reconnect all the power supply cables to the drives and the system board.
12.Go to Chapter 4, “Completing the parts replacement,” on page 35.
Replacing the heat sink and fan assembly
Attention
Do not open your computer or attempt any repair before reading the “Important safety information” in the ThinkCentre Safety and Warranty Guide that came 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 heat sink and fan assembly.
To replace the heat sink and fan assembly:
1.Open the computer cover. See “Opening the cover” on page 12.
2.Pivot the drive bay assembly upward to gain access to the heat sink and fan assembly.
Figure 18. Accessing the heat sink
Chapter 3. Installing options and replacing hardware 23