Lenovo 8098 manual Replacing FRUs Types 8143, 8144, 8146, 8422, 8423, and 8427

2.Remove the heat sink
2 from the system board by rotating the lever
1 on the heat sink until it is fully in the up position. Carefully lift the heat sink off the system board.

Note: If you are replacing the system board, place the heat sink on its side on a clean, flat surface. You must later install the heat sink on the new system board.

3.Release the lever
2 securing the microprocessor
1 then rotate the microprocessor retainer to the
3 fully open position.

Chapter 9. Replacing FRUs (Types 8143, 8144, 8146, 8422, 8423, and 8427) 127