Replacing The Battery - Lenovo ThinkCentre 3493 User Manual

• 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 16. Opening the retaining clips
9. 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 17. Installing a memory module
10. Reinstall the PCI Express x16 graphics card if you have removed it.
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 67.

Replacing the battery

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
on page v.
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 User Guide
2 on the system board. Push the memory module straight
1 on the memory