Dell XPS 140M Owner's Manual page 117

1
memory module
NOTICE:
If you need to install memory modules in two connectors, install a memory module in the
connector labeled "DIMM A" before you install a module in the connector labeled "DIMM B." Insert
memory modules at a 45-degree angle to avoid damaging the connector.
NOTE:
If the memory module is not installed properly, the computer may not boot properly. No error
message indicates this failure.
7 Ground yourself and install the new memory module:
Align the notch in the module edge connector with the tab in the connector slot.
a
Slide the module firmly into the slot at a 45-degree angle, and rotate the module down
b
until it clicks into place. If you do not feel the click, remove the module and reinstall it.
2
securing clips
(2 per connector)
1
2
Adding and Replacing Parts
117