Dell OptiPlex 755 User's Guide - Page 151

2 1 9 3 4 5 6 8 7 1 processor cover 2 tab 3 processor 4 processor socket 5 center cover latch 6 release lever 7 front alignment-notch 8 socket and processor pin-1 indicator 9 rear alignment-notch NOTICE: To avoid damage, ensure that the processor aligns properly with the socket, and do not use excessive force when you install the processor. 7 Set the processor lightly in the socket and ensure that the processor is positioned correctly. 8 When the processor is fully seated in the socket, close the processor cover. Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket. 9 Pivot the socket release lever back toward the socket, and snap it into place to secure the processor. 10 Clean the thermal grease from the bottom of the heat sink. NOTICE: Ensure that you apply new thermal grease. New thermal grease is critical for ensuring adequate thermal bonding, which is a requirement for optimal processor operation. 11 Apply the new thermal grease to the top of the processor. Processor 151