96 Installing System ComponentsInstalling a ProcessorCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 If you are upgrading your processor, prior to upgrading your system,download and install the latest system BIOS version fromsupport.dell.com. Follow the instructions included in the file download toinstall the update on your system.2 Unpack the processor if it has not been used previously.If the processor has already been used, remove any thermal grease from thetop of the processor using a lint-free cloth.3 Align the processor with the socket keys on the ZIF socket. SeeFigure 3-16.CAUTION: Positioning the processor incorrectly can permanently damage thesystem board or the processor. Be careful not to bend the pins in the socket.4 With the release lever on the processor socket in the open position, alignthe processor with the socket keys and set the processor lightly in thesocket.CAUTION: Do not use force to seat the processor. When the processor ispositioned correctly, it engages easily into the socket.5 Close the processor shield.6 Rotate the socket release lever down until it snaps into place.7 Using a clean lint-free cloth, remove the thermal grease from the heat sink.8 Open the grease packet included with your processor kit and apply thermalgrease evenly to the center of the top of the new processor.CAUTION: Using excess thermal grease can cause grease to contact theprocessor shield, which can cause contamination of the processor socket.9 Place the heat sink on the processor. See Figure 3-15.10 Using a #2 Phillips screwdriver, tighten the heat-sink retention screws.See Figure 3-15.