Does the fan change from time to time?

Discussion in 'MacBook Air' started by Timshan0876, Aug 26, 2012.

  1. Timshan0876 macrumors member

    Timshan0876

    Joined:
    Jun 1, 2012
    Location:
    San Marino, Los Angeles, California
    #1
    So recently I have had to time watch some movies on my MBA.
    And i notice that, with the volume turned up about 20% of the way, the fan noise is LOUD. Like, it is as loud as it could ever be.

    Is this normal?

    This happened just now, while i was watching a documentary, and it was paused, while i waited it to load. It wasnt even playing!
     
  2. Intell macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #2
    That is normal. When the CPU was working hard enough to generate enough heat to cause the fan to spin faster, then stopped working as hard and started to idle, the heatsinks are still hotter than the CPU and require the fan to still be spinning fast. The fans also don't slow down very fast, like they do when things get hot and they need to spin faster.
     

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