Dell XPS M1530 Owner's Manual page 143

NOTICE:
If the cover is difficult to close, remove the module and reinstall it. Forcing
the cover to close may damage your computer.
3 Replace the module cover.
4 Insert the battery into the battery bay, or connect the AC adapter to your
computer and an electrical outlet.
5 Turn on the computer.
As the computer boots, it detects the additional memory and automatically
updates the system configuration information.
To confirm the amount of memory installed in the computer, click Start
Help and Support→ Dell System Information.
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Adding and Replacing Parts
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