Lenovo ThinkCentre M600, Hardware Maintenance Manual, Page: 101 / 142

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 111.
Replacing the memory module
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Read this first: Important safety information” on page 1.
To replace the memory module, do the following:
1. Remove any media from the drives and turn off all connected 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 87.
3. Remove the heat sink. See “Replacing the heat sink” on page 89.
4. Locate the memory module. See “Computer components” on page 31.
5. Open the retaining clips and gently pull the memory module out of the memory slot.
Figure 29. Removing the memory module
6. Insert the notched end 2 of the new memory module into the slot 1 . Press the memory module
firmly and pivot the memory module until it snaps into place. Make sure that the memory module is
secured in the slot and does not move easily.
Figure 30. Installing the memory module
Chapter 9
.
Installing or replacing hardware
95