7. Position the new memory module over the memory slot. Make sure that the notch
module aligns correctly with the slot key
down into the slot until the retaining clips close.
Figure 14. Installing a memory module
8. Reinstall the PCI Express x16 graphics card if you have removed it.
9. To complete the installation or replacement, go to "Completing the parts replacement" on page 99.
Installing or replacing the optical drive
Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre User Guide. To obtain a copy of the ThinkCentre User Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to install or replace the optical drive.
To install or replace an optical drive, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See "Removing the computer cover" on page 78.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 79.
2
on the system board. Push the memory module straight
.
Chapter 8
Replacing FRUs (Machine Types: 1899, 1928, 1932, and 1934)
1
on the memory
85