Dell PP04S Owner's Manual page 106

Replace the cover.
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NOTICE: If the cover is difficult to close, remove the module and reinstall it. Forcing the cover
to close may damage your computer.
NOTE: If the memory module is not installed properly, the computer does not boot. No error
message indicates this failure.
Insert the battery into the battery bay, or connect the AC adapter to your computer
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and an electrical outlet.
Turn on the computer.
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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 the Start button,
click Help and Support, and then click Computer Information.
106 Adding and Replacing Pa rts
captive screw (2)
cover