B75-D3V + GTX970 = long boot

ostapblender

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Nov 28, 2015
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Some time ago I bought GTX970 instead of my 6870. At first I thought it not working at all, but it just take much longer to boot whole system now.
I read previous threads, but it was not very helpful, cuz I have i5 2550k, and, as some guys suggested, can turn on on board graphics, but I haven't one in my processor.
And I can't open BIOS, cuz screen seems like freezed for minute or so, so I can see only motherboard welcome screen and it has no reaction to pressing keys.
After this minute, W7 starts to boot up and all works fine.
So what you think, what can cause such behavior?
 

ostapblender

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Nov 28, 2015
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Yeah, of course.
And I don't think this is problem with drivers, cuz it's freeze I can see long before even WIndows starts to boot.