iMac fan sleep after security update

The fan on my iMac 27 inches (mid 2011) will not stop when the computer is put to sleep. I am running OS X Yosemite 10.10.5 version. Graphics Intel Core i5 at 2.7 GHz. card processor: AMD Radeon HD 6770 M 512 MB.

I think it has something to do with security update 2016-004 (awords of content security of OS X El Capitan v10.11.6 and Security Update 2016-004 - Apple Support)

I just updated the other day and since the fan will not go to sleep when I put the iMac in mode 'sleep'. I've also updated iTunes and Safari, but I doubt that this has nothing to do with it.

The SMC reset and reset the PRAM was conducted without success.

Any ideas?

Thank you

Sometimes it takes several MSC resets for the reset to work. Please do the reset SMC 2 - 3 times and then repeat the test.

Tags: Mac

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