Apple pbg4 ge Manual Do Serviço

 

PowerBook G4 (Gigabit Ethernet) Logic Board - 

 

19. Check that the heat exchanger has two square thermal interface pads in place. If the 

pads are missing or damaged, replace them.

20.

 

  If you have removed the logic board to access another part, and you will 

be placing the original logic board back in the computer, use a razor blade to gently 

scrape away any residual thermal transfer material from the heat exchanger and the 

microprocessor chip. 

 

Apply new thermal transfer material to the microprocessor chip as described in the 

next step.