Dell Precision 490 User Manual
Page 121

11.
Press <F2> to enter the system setup program and check the values listed under Memory Info.
The computer should have changed the value of Installed Memory to reflect the newly installed memory. Verify the new total. If it is correct, skip to
12.
If the memory total is incorrect, turn off and disconnect your computer and devices from their electrical outlets.
Return to
of this procedure, but instead of installing new memory, check the installed memory modules to ensure that they are seated properly in
their sockets.
13.
When the Installed Memory total is correct, press <Esc> to exit system setup.
14.
Run the Dell Diagnostics (see
Dell Diagnostics
) to verify that the memory modules are operating properly.
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