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If you are replacing an old memory module, open the retaining clips and
remove the memory module being replaced as shown.
6. Position the memory module over the memory slot. Make sure that the notch
1 on the memory module aligns correctly with the slot key 2 on the system
board. Push the memory module straight down into the slot until the retaining
clips close.
What to do next:
v To work with another option, go to the appropriate section.
v To complete the installation, go to “Completing the parts replacement” on
page 45.
Replacing the battery
Attention
Do not open your computer or attempt any repair before reading and understanding 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,goto:
http://www.lenovo.com/support
Figure 11. Removing the memory module
Figure 12. Installing the memory module
22 User Guide