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MacBook Pro has according to several users problems with overheating and now it seems that a couple of them have been able to track down the source; Apple’s cooling paste usage. Ironically it seems that Apple simply recommends using too much cooling paste on the CPU, GPU and northbridge. If you follow Apple’s instructions it becomes quite a lot of paste which will counteract the actual purpose of transferring the heat from the circuit to the heatsink. The resistance gets too high and the temperatures will rise considerably. A user has tested this by reinstalling the heatsinks in his MacBook Pro and use far less cooling paste with very positive results.




”He claims the smaller coat of paste caused the machine’s front and rear surface temperatures to go down from 54.0°C and 50.8°C—normal operating range, according to Apple—to a much cooler 39.9°C and 36.6°C, respectively. The new paste application supposedly makes the MacBook cool enough to comfortably run on the user’s lap and has the side-effect of lowering fan noise, as well.”


A picture says more than a thousand words and even if not all MacBook Pro has such an extensive use of cooling poste this is a sad sight.



Source: TechReport

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