60 Installing System Components1 If you are upgrading your processors, 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 Pull the locking lever of the processor socket out and up.3 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.4 Align the processor with the socket keys on the ZIF socket. See Figure 3-8.CAUTION: Positioning the processor incorrectly can permanently damage thesystem board or the processor. Be careful not to bend the pins in the ZIF socket.5 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. See Figure 3-8.CAUTION: Do not use force to seat the processor. When the processor ispositioned correctly, it engages easily into the socket.6 Close the processor shield.7 Rotate the socket release lever down until it snaps into place.8 Using a clean lint-free cloth, remove the thermal grease from the heat sink.9 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.10 Install the heat sink. See "Installing the Heat Sink" on page 57.11 Replace the cooling shroud. See "Installing the Cooling Shroud" onpage 55.12 Close the system. See "Closing the System" on page 54.13 Reconnect the system and peripherals to their electrical outlets, and turnon the system.14 Press to enter the System Setup program, and check that theprocessor information matches the new system configuration. See "SystemSetup Options at Boot" on page 34.
