Dell Latitude C540 - Manual (Page 98)

NOTICE: If you need to install memory modules in two connectors, install a memory module in the
connector labeled "JDIM (DIMMA)" before you install a module in the connector labeled "JDIM2
(DIMMB)."
Ground yourself and install the new memory module:
Align the notch in the module with the slot in the center of the connector. a.
Slide the edge of the module firmly into the connector, and rotate the module down until you
hear a click. If you do not hear the click, remove the module and reinstall it. b.
8.
NOTE: If the memory module is not installed properly, the computer does not boot. No error message
indicates this failure.
Replace the cover and screw(s). 9.
NOTICE: If the memory module cover is difficult to close, remove the module and reinstall it. Forcing
the cover to close may damage your computer.
Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical
outlet. 10.
Turn on the computer. 11.
As the computer boots, it detects the additional memory and automatically updates the system configuration
information.
Adding a Mini PCI Card