4. Align the pin-1 corners of the processor and socket.5. Set the processor lightly in the socket and ensure that the processor is positioned correctly.6. When the processor is fully seated in the socket, pivot the release lever back toward the socket until it snaps into place to secure the processor.If you are installing a processor replacement kit from Dell, return the processor to Dell in the same package in which your replacement kit was sent.7. Clean the thermal grease from the bottom of the heat sink.8. Apply the new thermal grease to the top of the processor.9. Place one end of the heat sink under the tab on the retention base on the side opposite the release lever.CAUTION: To avoid damage, ensure that the processor aligns properly with the socket, and do not use excessive force when you install theprocessor.1 processor cover 2 tab3 processor 4 processor socket5 center cover latch 6 release lever7 front alignment-notch 8 socket and processor pin-1 indicator9 rear alignment-notchCAUTION: Ground yourself by touching an unpainted metal surface on the back of the computer.CAUTION: Ensure that you apply new thermal grease. New thermal grease is critical for ensuring adequate thermal bonding, which is arequirement for optimal processor operation.1 heat sink 2 retention base