A processor generates heat when transistors switch between On and Off states causing the current to flow. Each CPU contains hundreds of millions of transistors which perform all the calculations, i.e., the actual computing work. The primary source of heat in any laptop is a CPU.

They actually even worse in case of Pro because Pros usually have more powerful CPU and often equipped with powerful Graphics processor which adds up the heating issue. Note that the reasons for being hot are the same for both MacBook Air and MacBook Pro.

MacBook Pro is always hot and often shuts down.

The MacBook is getting hot periodically.

There are three different distinct cases which all reported under the one overheating umbrella:

So I decided to explain as best as I can what Mac’s heat issues are when you need to worry about them, whether you have to fix anything and which tools do you have for troubleshooting. Sometimes the high temperature is not an issue and sometimes is a sign of irreparable disaster. Does your MacBook Pro often get so scorching hot that it is very unpleasant to touch? Are you afraid that if it continues overheating it may permanently damage your Mac?īeing a super nerd as I am, I am surprised to hear how people get confused about the difference between MacBook getting hot and being overheated.

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