• Can anyone explain why my mid 2012 MBA heats up really bad when it's idling?
    When I don't use it for about 5 min the temperature goes up north of 80°C and the fan start to spin at its limit while the CPU load is as low as 5%. It cools down when I'm back on it though.
    I formatted the SSD several times already (I just do once in a while for a big OS update) but it didn't solve the problem so I'm starting to think that it's hardware related.

  • Open it up and vacuum it. When I opened my MBA to change the battery, it was full of dust and crud. Half of the fans were blocked and the CPU had a big ball of fluff around it.

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