Lenovo ThinkCentre A61 Hardware Maintenance Manual - Page 104

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. 10. Lower the microprocessor straight down into the system board socket of the new system board. 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 clamp on the plastic retention bracket. Pivot the handle to clamp the heat sink to the plastic retention bracket. 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 "Locating parts on the system board" on page 89. 15. Go to "Completing the FRU replacement" on page 114. 98 Hardware Maintenance Manual