[Macbook] Thinking of applying thermal paste on heatsink to resolve display issue

Asked By 10 points N/A Posted on -
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On my MacBook Pro 17", the screen shows some unwanted lines.  Its graphics card is not GeForce 8600.

Will it be alright if I apply thermal paste on the graphic heat sink?  Would that remove the unwanted lines?  If yes, how do I get to the heat sink?  If that doesn't work, then is there another alternative to fix the problem?  

Thanks ahead for the help. 

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Answered By 0 points N/A #95063

[Macbook] Thinking of applying thermal paste on heatsink to resolve display issue

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Don't even think of messing with the graphics card. There are other reasons too for this problem but their solution is not what you are saying.

  • Thermal paste is not something to fix problems. It is used as a medium between the heat sink and the processor chip of graphics card or the CPU to transfer heat from one body to another. It has nothing else to do.
  • In your case, you said you are facing unwanted lines. There might be a possibility that your graphics card is dusty and you need to blow it off using a blower at medium speed. Sometimes the fan rotation gets reduced or low due to a lot of dust on it and it causes the problem.
  • You can take your laptop back to Apple because they do these kind of things pretty good.

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