Lenovo ThinkCentre A61 Hardware Maintenance Manual page 104

10. Lower the microprocessor straight down into the system board socket of the
11. Lower the small handle to secure the microprocessor in the socket.
12. Position the heat sink on the microprocessor socket and then position the
13. Install the heat sink and fan assembly on the system board.
14. Connect the heat sink and fan assembly cable to the system board. See
15. Go to "Completing the FRU replacement" on page 114.
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Hardware Maintenance Manual
8. Make sure that the small handle is in the raised position.
9. Holding the microprocessor with your fingers, position the microprocessor so
that the small triangle on one corner is aligned with the corresponding
triangle on the microprocessor socket.
new system board.
clamp on the plastic retention bracket. Pivot the handle to clamp the heat sink
to the plastic retention bracket.
"Locating parts on the system board" on page 89.