Lenovo ThinkCentre 8086, Hardware Maintenance Manual, Page: 105 / 164

10. To remove the microprocessor
1
from the failing system board, lift the small
handle
2
on the microprocessor socket to its maximum vertical position.
Carefully lift the microprocessor off the socket.
11. To install the microprocessor on the new system board, position the
microprocessor socket handle on the new system board to the full vertical
position. Otherwise the microprocessor pins might be damaged when
reinstalling the microprocessor.
12.
Position the microprocessor so that the pins are aligned with the socket and
with the beveled corner
1
on the microprocessor is aligned in the socket as
shown.
13. Lower and lock the handle to secure the microprocessor in the socket.
Note: Do not install the heatsink until the new system board has been
installed.
14. Install the new system board and tray into the rear of the chassis until it is
fully seated.
15.
Reinstall the PCI riser.
16. Reinstall the memory modules.
17. Reinstall the heat sink on the microprocessor.
18. Reconnect all cables to the system board. See “Identifying parts on the system
board” on page 92.
19. Reinstall the rear fan bracket assembly and connect the fan cable to the system
board.
Chapter 8. Replacing FRUs
99