84Installing a processorPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting andsimple repairs as authorized in your product documentation, or as directed by the online or telephone service and supportteam. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safetyinstructionsthatcamewiththeproduct.NOTE: If you are installing just one processor, it must be installed in socket CPU1.NOTE: Youmust remove a processor to upgrade a processor or replace a faulty processor.1. Follow the safety guidelines listed in safety instructions section.2. Keep the Phillips #2 screwdriver ready.3. Followthe procedure listed in the Beforeworking inside yoursystem section.4. Remove the processor or processor blank or DIMM blank.Steps1. Unlatchandrotatethesocket-releaselevers90degreesupward andensurethatthesocket-releaseleverisfullyopen.2. Hold the tab on the processor shield and rotate the shield upward and out of the way.NOTE: It is recommended that you install or remove the socket protective cap from the processor shield with theprocessor shield in the open position.3. If installed, remove the socket protective cap from the processor shield. Toremove the socket protective cap, push the capfrom the inside of the processor shield and move it away from the socket pins.CAUTION: Positioning the processor incorrectly can permanently damage the system board or the processor. Becareful not to bend the pins in the socket.CAUTION: Do not use force to seat the processor. When the processor is positioned correctly, it engages easily intothesocket.4. Install the processor in thesocket:a. Identify the pin-1 corner of the processor by locating the tiny gold triangle on one corner of the processor. Place this cornerin the same corner of the ZIF socket identified byacorresponding triangle on the system board.b. Align the pin-1 corner of the processor with the pin-1 corner of the system board.c. Set the processor lightly in the socket.Because the system uses a ZIF processor socket, do not use force. When the processor is positioned correctly, it dropsdown into the socket with minimal pressure.d. Close the processor shield.e. Rotate the socket-release lever 1 and lever 2 simultaneously until it is locked in position.Next steps1. Install the heatsink.2. While booting, press F2 to enter System Setup and verify that the processor information matches the new systemconfiguration.3. Run the system diagnostics to verify that the newprocessor operates correctly.Related linksSafety instructionsBefore working inside your systemRemoving the cooling shroudInstalling a heat sinkAfter working inside your system