Lenovo 14. Lower the microprocessor straight down into the socket.

13. Holding the microprocessor with your fingers, position the microprocessor so
that the small triangle 1 is aligned with the corresponding triangle on the
socket.
14. Lower the microprocessor straight down into the socket.
15. Lower and latch the handle to secure the microprocessor in the socket.
16. Install the retention module that was removed from the rear of the failing
system board on the new system board.
17. Install the heat sink and fan assembly on the system board.
18. Install the new system board into the chassis and align the screw holes with
those in the chassis. Insert and tighten the screws that secure the system
board.
19. Connect all the cables to the system board. See “Identifying parts on the
system board” on page 87.
20. Go to “Completing the FRU replacement” on page 112.
Chapter 8. Replacing FRUs (Types 7387, 7388, 7389, 7393, 7394, and 7395) 99