Lenovo M57e - ThinkCentre - 9481 Hardware Maintenance Manual page 109

Important: Touch only the sides of the microprocessor. Do not touch the gold contacts on the bottom.
7. Lift the microprocessor straight up and out of the socket.
a. Note the orientation of the notches
the microprocessor on the new system board.
b. Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be
kept as clean as possible.
.
Chapter 9 Replacing FRUs (Types 7064, 7094, 9349, 9356, 9357, 9439, 9488, 9702, 9708, 9709, 9789, 9851, 9948)
1 on the microprocessor. This is important when reinstalling
101