Suggsy89
How im can remove in safe mode?
and how im can disable crossfire?
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Xdragon , Which PSU do you recommend? I'll use for up to 7 gpu's?
The reason for the shutdown is from the weak PSU ?
Thanks
Almikr
This sounds like it is a driver issue! Remove in safe mode and re-install as administrator.
Reboot.
After that go to AMD Radeon Settings and disable crossfire if activated.
EVGA makes nice PSU's - their slightly expensive, but worth it.
But yes, your PSU is the problem here.