Lenovo THINKCENTRE 8804 - Manual (Page 25)

a. Note the orientation of the notches 1 on the microprocessor. This is
important when installing the new microprocessor on the system board.
b. Do not drop anything on the socket while it is open. Keep all contacts as
clean as possible.
6. Make sure that the lever on the microprocessor retainer is fully open.
7. Remove the black cover 2 that protects the gold contacts on the new
microprocessor 1 .
8. Position the microprocessor so that the notches on the microprocessor are
aligned with the tabs in the microprocessor socket.
Important
To avoid damaging the microprocessor contacts, do not tilt the
microprocessor when installing it into the socket.
Chapter 2. Replacing hardware 17