CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
Removing A Heat Sink:
1. Before upgrading your system, download the latest system BIOS version from support.dell.com and follow the instructions included in the compressed download file to install the update on your system.
2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet. When disconnected from the power source, 3. press and hold the power button for three seconds to fully drain the system of stored power prior to removing the cover.
3. Open the system.
4. Remove the cooling shroud.
WARNING: The heat sink and processor are hot to the touch for some time after the system has been powered down. Allow the heat sink and processor to cool before handling them.
CAUTION: Never remove the heat sink from a processor unless you intend to remove the processor. The heat sink is necessary to maintain proper thermal conditions.
5. Using a #2 Phillips screwdriver, loosen the first screw that secures the heat sink to the system board.
6. Wait 30 seconds for the heat sink to loosen from the processor and remove the screw diagonally opposite the first screw.
7. Repeat the procedure for the remaining two screws.
8. Remove the heat sink.
Installing A Heat Sink:
1. Open the grease applicator included with your processor kit and apply all of the thermal grease in the applicator to the center of the topside of the new processor.
2. Place the heat sink onto the processor.
3. Tighten the four screws to secure the heat sink to the system board.
NOTE: Do not over-tighten the heat sink retention screws when installing the heat sink. To prevent over-tightening, tighten the retention screw until resistance is felt, and stop once the screw is seated. The screw tension should be no more than 6 in-lb (6.9 kg-cm).
4. Install the cooling shroud.
5. Close the system.
6. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
