Lenovo ThinkCentre 8290 Hardware Maintenance Manual page 131

14. Using the vacuum pen 1 , remove the microprocessor from the system board
socket by lifting it straight up and out of the socket.
Important
Do not touch the gold contacts on the bottom of the microprocessor. If
you must touch the microprocessor, touch only the sides.
Note: Since you are not installing a new microprocessor, the protective cover
3 is not used.
Attention:
Do not drop anything onto the microprocessor socket while it is exposed. The
socket pins must be kept as clean as possible.
15. Position the microprocessor so that the notches 1 are aligned with the
corresponding tabs in the socket.
16. Using the vacuum pen 1 to pick up the microprocessor, lower the
microprocessor straight down into the socket.
Chapter 9. Replacing FRUs (Types 8293, 8294, 8295, 9217, 9218, and 9219
125