Lenovo 7269D7U - Topseller M58e Sff E7500 2.93G 3Gb 320Gb Dvdrw W7p/Xpp Hardware Maintenance Manual page 84

b. Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be
kept as clean as possible.
8. Make sure that the microprocessor retainer is fully open.
9. Holding the microprocessor with your fingers, remove the protective cover
contacts on the new microprocessor
10. Holding the microprocessor with your fingers, position the microprocessor so that the notches on the
microprocessor are aligned with the tabs in the microprocessor socket.
Note: To avoid damaging the microprocessor contacts, do not tilt the microprocessor when installing it
into the socket.
11. Lower the microprocessor straight down into the system board socket of the system board.
12. To secure the microprocessor in the socket, close the microprocessor retainer and lock it into position
with the small handle.
13. Use the thermal grease syringe to place five drops of grease on the top of the microprocessor. Each
drop of grease should be 0.03ml (3 tick marks on the grease syringe).
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ThinkCentre Hardware Maintenance Manual
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