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Only one display on dual nvidia card working

Posted: 2014/07/10 03:38:22
by stgnet
I just updated my main development machine to CentOS 7 after playing with it for bit with little or no problems. However, I've discovered that it's no longer enabling the second display on my dual dvi nvidia card:

01:00.0 VGA compatible controller: NVIDIA Corporation G84 [GeForce 8600 GTS] (rev a1)

CentOS 6 would bring this up correctly every time, even in LiveCD. CentOS 7 somehow broke it? Or is there a new driver that has lost functionality?

I can easily gather information from either 6 or 7 to help diagnose the failure, if anyone could prompt me on what is needed.