Mac pro 15 fan comes on and then mac is frozen with blank screen
While my mac pro 15 is plugged in and cover shut the fan comes on all of a sudden and is loud . I open the cover and the screen will not come on . I have to shut down with the power button then restart. This has just started. Is my hard drive getting ready to crash?
Ikosova,
have you tried resetting your MacBook Pro’s System Management Controller, to see if that causes its fan to be better behaved?
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To reset the SMC on a Mac Pro:
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HT3964 What if a mac pro spontaneously shuts down and won't restart
Mac pro 2012. Happily working then stops. All attached powered devices like hard drives remain on. Not due to dodgy ac power because it's behind a 2kv ups with constant sine wave output. The ups looks like its barely ticking over.
Reset the pmu according to instructions but it remains dead. Tried other house circuits, new ac adaptor lead etc. it's like a fuse has gone, though I doubt such a thing exists.
Any suggestions?
TIA
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