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Mac Pro 6,1 (2013) - fan runs at 100%


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Guest Spacedust
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I’ve started Far Cry 3: Blood Dragon under Windows 8.1 and after a few seconds fans went to the max, but it was still working.

 

Then suddenly screen went black. Post reboot everything was back to normal but fan was running at 100%.

 

Nothing is overheating CPU, GPU's or SSD's.

 

I can still control the fan with Macs Fan Control, but on auto it always goes to 100%.

 

Apple diagnostic shows PPN001 and PFM006 – issues with SMC and power management system.

 

I’ve tried NVRAM RAM reset and unplugging...

 

Read more

 

Source: MacRumors

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