505      iPhone_iPad_Mac_apple

why,is,my,Masco,Air,running,hot,since,downloadi...

Yesterday I downloaded OS Sierra, Version 10.12.6.  For the 1st time since having this little machine the fan is  running full on, all the time.  What's happened???

Thanks,

BrownChair

Try resetting the SMC:

Reset the System Management Controller (SMC) on your Mac - Apple Support

最后更新：2017-10-08 03:10:59

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