Dell 4150 owner manual If you are replacing a memory module, remove the existing module

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HINT: If the memory module is not installed properly, the computer does not boot. No error message indicates this failure.

NOTICE: To prevent damage to the memory module connector, do not use tools to spread the inner metal tabs that secure the memory module.

1If you are replacing a memory module, remove the existing module.

NOTICE: Handle memory modules by their edges, and do not touch the components on a module.

aUse your fingertips to carefully spread apart the securing clips on each end of the memory module connector.

The module should pop up.

bRemove the module from the connector.

memory module

securing clips (2)

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).”

2Ground yourself and install the new memory module:

a Align the notch in the module with the slot in the center of the connector.

b 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.

94Adding and Replacing Parts