Lenovo ThinkCentre 3656 Hardware Maintenance Manual page 137

6. To release the microprocessor 2 from the system board socket, lift the small
handle 1 .
Important
Do not touch the gold contacts on the bottom of the microprocessor. If
you must touch the microprocessor, touch only the sides.
7. Lift the microprocessor straight up and out of the socket.
Notes:
a. Your microprocessor and socket might look different than the one
illustrated.
b. Note the orientation of the microprocessor in the socket. Look for the small
triangle on one corner of the microprocessor. This is important when
reinstalling the microprocessor on the new system board.
c. Do not drop anything onto the microprocessor socket while it is exposed.
The socket pins must be kept as clean as possible.
8. Make sure that the microprocessor retainer is fully open.
Chapter 9. Replacing FRUs - Rocky computers
131