11. Lower the microprocessor straight down into the socket.

Note: Install the black protective cover that was removed from the new

microprocessor onto the defective microprocessor after the installation is
complete.
12. Lower the small handle to secure the microprocessor in the socket.
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).

14. Install the heat sink and fan assembly on the system board.

15. Connect the heat sink and fan assembly cable to the system board. See

“Identifying parts on the system board” on page 87.

16. Go to “Completing the FRU replacement” on page 112.

106 Lenovo 3000 J Series