Lenovo 5023 - Manual (Page 36)

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 on the system board.
c. Touch only the edges 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.
7. Make sure that the small handle is in the raised position.
Figure 22. Removing the microprocessor
28 User Guide