Comment 13 for bug 1820832

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Rafael Rion (rafarion) wrote :

I can confirm this bug too. But additionally I have noticed one more interesting fact:

It seems that this bug affects only PCs with dedicated GPUs (AMD, Nvidia). When I connect monitors into motherboard ports this bugs disappears. In my case via VGA(60Hz) and DVI-D(120Hz), but I believe that with HDMI and DisplayPort there will be the same results as with VGA or DVI. Unfortunately I haven't got a motherboard with DP or HDMI to test it.

Because of this behaviour I have a theory that the bug exists only in Nvidia/AMD drivers for dedicated GPUs. I have got i5-4590 with integrated GPU and with this setup (without GPU) everything works fine.