15Rotate the release lever back down until it snaps into place, securing the processor cover.

16Install the heat sink.

a Using a clean lint-free cloth, remove the existing thermal grease from the heat sink.

NOTE: Use the heat sink that you removed earlier in this procedure.

bApply thermal grease evenly to the top of the processor.

cPlace the heat sink onto the processor. See Figure 3-18.

dUsing a #2 Phillips screwdriver, tighten in a diagonal pattern the four captive screws that secure the heat sink to the system board. See Figure 3-18.

17Install the cooling shroud. See "Installing the Cooling Shroud" on page 57.

18Close the system. See "Closing the System" on page 55.

As the system boots, it detects the presence of the new processor and automatically changes the system configuration information in the System Setup program.

19Press <F2> to enter the System Setup program, and check that the processor information matches the new system configuration.

See "Using the System Setup Program" on page 35.

20Run the system diagnostics to verify that the new processor operates correctly.

See "Running the System Diagnostics" on page 117 for information about running the diagnostics and troubleshooting processor problems.

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Installing System Components

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Dell NM176 owner manual