Dell Inspiron 9100 Service Manual page 13

Memory Module, Mini PCI Card, and Devices: Dell Inspiron XPS and Inspiron 9100 Service Manual
NOTICE: Ensure that memory modules are installed in both connectors and that they are of
the same capacity. 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.
4. Ground yourself and install the new memory module:
a. Align the notch in the module edge connector with the tab in the connector slot.
b. Slide the module firmly into the slot at a 45-degree angle, and rotate the module down
until it clicks into place. If you do not feel the click, remove the module and reinstall it.
NOTE: If the memory module is not installed properly, the computer does not boot. No error
message indicates this failure.
5. Replace the cover and screw.
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.
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