Lenovo 8155 Laptop User Manual


 
Note: You will have to tilt the system board assembly and move it around the
edge of the power supply assembly to remove it from the computer.
7. Place the defective system board next to the new system board on a clean, flat
surface.
8. Release the lever 1holding the microprocessor heat sink.
9. Remove the heat sink from the system board.
10. Release the lever 1 for the microprocessor retainer 2 securing the
microprocessor 3 and pivot the retainer upward to the open position.
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10 Hardware Replacement Guide