Lenovo 3000 Hardware Maintenance Manual page 104

12. Lift the heat sink and fan assembly off the failing system board. Place the heat
13. Remove the retention module from the rear of the failing system board and
14. To remove the microprocessor 2 from the system board, lift the small handle
15. Lift the microprocessor straight up and out of the socket.
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Hardware Maintenance Manual
sink on its side so that the thermal grease does not come in contact with
anything.
Note: You might have to gently twist the heat sink to free it from the
microprocessor.
install it in the same position on the new system board.
1 .
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.