Lenovo IdeaCentre K330 Replacement Manual page 33

9. 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.
Important:
To avoid damaging the microprocessor contacts, do not tilt the microprocessor
when installing it into the socket.
10. Lower the microprocessor straight down into the system board socket of the
system board.
11. To secure the microprocessor in the socket, close the microprocessor retainer
and lock it into position with the small handle.
12. 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).
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. Refer to
the "Identifying parts on the system board".
15. Install the system board back into the chassis and allign the screw holes with
those in the chassis. Insert and tighten the screws that secure the system
board, referring to the above section entitled "Replacing the system board".
16. Reconnect the disconnected cables to the system board.
17. Refer to the "Completing the installation".
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Hardware Replacement Guide