Nice shot, I totally forgot about this fast startup trash, at my discharge I never shutdown my computer 

When your windows goes to sleep when you tell it to shutdown... That's no good !

Based on your feedback I'm not sure it's MCR related.Did you power off by using PC button ? Check advanced power settings, your windows may be set to hibernate when power button is pressed.If your windows goes sleep while you clicked the shutdown in ...

@freakazoid wrote: i then have to turn of the pc and restart to get the m.2 recognised again. That's an MCR behaviour, not an over OC behaviour.BTW aida64 sha3 crashes on my full stock spare laptop, so...

Disable MCR, it's crap and I bet it's the reason of your troubles.