Lenovo THINKCENTRE 6396 - Manual (Page 93)

6. When installing the microprocessor make sure that the small handle is in the
vertical position.
7. Holding the new microprocessor 1 with your fingers, remove the protective
cover 2 that protects the microprocessor contacts.
8. Holding the microprocessor with your fingers, position the microprocessor so
that the triangle 1 is properly aligned with the socket.
9. Lower the microprocessor straight down into the socket.
Note: Install the black protective cover that was removed from the new
microprocessor onto the defective microprocessor after the installation
is complete.
10. Secure the microprocessor in the socket by pivoting the small handle
downward. Be sure to lock it into position.
Chapter 8. Replacing FRUs 87