Lenovo ThinkCentre A58 Hardware Maintenance Manual page 111

6. Lift the small handle 3 and open the retainer 1 to access the
microprocessor 2 .
Figure 18. Accessing the microprocessor
7. Lift the microprocessor straight up and out of the microprocessor socket.
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 1 on one corner of the microprocessor or note
the orientation of the notches 2 on the microprocessor. This is important
when installing the new microprocessor into the socket.
Chapter 8. Replacing FRUs - Tamdhu
105