Lenovo ThinkCentre M90z Hardware Maintenance Manual page 92

6. Lift the microprocessor straight up and out of the socket. See Removing the microprocessorFigure
24 on page 87.
Notes:
a. Your microprocessor and socket might look different from the one illustrated.
b. Note the orientation of the microprocessor in the socket. You can either look for the small triangle
on one corner of the microprocessor or note the orientation of the notches
This is important when installing the new microprocessor on the system board.
c. Touch only the sides of the microprocessor. Do not touch the gold contacts on the bottom.
d. Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be
kept as clean as possible.
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on the microprocessor.