After working inside your systemInstalling a processorPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat are shipped with your product.1. Follow the safety guidelines listed in the Safety instructions section.2. Follow the procedure listed in the Before working inside your system section.3. Keep the Phillips #2 screwdriver ready.4. If you are upgrading your system, download the latest system BIOS version from Dell.com/supportand follow the instructions included in the compressed download file to install the update on yoursystem.NOTE: You can also update the system BIOS by using the Dell Lifecycle Controller.5. Remove the cooling shroud.NOTE: If applicable, close the expansion card latch on the cooling shroud to release the fulllength card.6. If connected, disconnect the cables from expansion card (s).7. If installed, remove the expansion card riser.WARNING: The heat sink and processor are too hot to touch for some time after the system hasbeen powered down. Allow the heat sink and processor to cool down before handling them.CAUTION: Never remove the heat sink from a processor unless you intend to remove theprocessor. 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.Steps1. Unpack the new processor.NOTE: If the processor has previously been used in a system, remove any remaining thermalgrease from the processor by using a lint-free cloth.2. Locate the processor socket.3. If applicable, remove the socket protective cap.4. Release the open first socket-release lever near the unlock icon by pushing the lever down andout from under the tab.5. Similarly, release the close first socket-release lever near the lock icon by pushing the lever downand out from under the tab. Lift the lever 90 degrees upward.6. Hold the tab near the lock symbol on the processor shield and lift it up and out of the way.CAUTION: Positioning the processor incorrectly can permanently damage the system boardor the processor. Be careful not to bend the pins in the socket.CAUTION: While removing or reinstalling the processor, wipe your hands of anycontaminants. Contaminants on the processor pins such as thermal grease or oil can damagethe processor.115