Lenovo ThinkCentre Edge 3484, Hardware Maintenance Manual

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• If you are installing a memory module, open the retaining clips of the memory slot into which you
want to install the memory module.
Figure 57. Opening the retaining clips
9. Position the new 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.
Figure 58. Installing a memory module
10. Reinstall the PCI Express x16 graphics card if you have removed it.
11. To complete the installation or replacement, go to “Completing the parts replacement” on page 154.
Replacing the battery
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/ThinkCentreUserGuides
Your computer has a special type of memory that maintains the date, time, and settings for built-in features,
such as parallel-port assignments (configuration). A battery keeps this information active when you turn
off the computer.
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ThinkCentre Hardware Maintenance Manual