Installing a processor
Prerequisites
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.
1.Ensure that you read the Safety instructions.
2.Keep the #2 Phillips screwdriver handy.
3.If you are upgrading your system, download the latest system BIOS version from dell.com/support and follow the instructions included in the compressed download file to install the update on your system.
NOTE: You can update the system BIOS using the Lifecycle Controller.
4.Follow the procedure listed in Before working inside your system.
5.If installed, remove the cooling fan assembly.
6.If installed, remove the
7.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.
NOTE: If you are installing a single processor, it must be installed in socket CPU1.
Steps
1.Remove the heat sink.
2.Remove the heat sink.
3.Unpack the new processor.
If the processor has previously been used in a system, remove any remaining thermal grease from the processor using a
4.Locate the processor socket.
5.If applicable, remove the socket protective cap.
6.Release the open first 
by pushing the lever down and out from under the tab.
7.Similarly, release the close first 
by pushing the lever down and out from under the tab. Lift the lever 90 degrees upward.
8.Hold the tab near the lock symbol on the processor shield and lift it up and out of the way.
9.To install the processor in the socket:
CAUTION: Positioning the processor incorrectly can permanently damage the system board or the processor. Be careful not to bend the pins in the socket.
CAUTION: While removing or reinstalling the processor, wipe your hands of any contaminants. Contaminants on the processor pins such as thermal grease or oil can damage the processor.
71
