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1st issue: I commonly see this when you have a certain dynamic contrast setting. To get those super high DCR's they turn off the screen when it hits a certain blackness level over the screen. Try messing with special OSD settings that deal with contrast.
2nd Issue: This could be hardware related. A lot of times the timing for DVI is 59.999 Hz or something similar, whereas DP is 60 Hz. So the video card (generally) picks the monitor in the middle for the vertical refresh rate.
If you're connected to DVI DVI DP, put the DVI in the middle. If DP DP DVI, put the DP in the middle. This will rid tearing on 2 out of the 3 monitors. To really get rid of tearing, use a card with 3 DP / miniDP and use those connections. If you have DVI monitors, use all active adapters, if not, just use all straight up dp connections.
_________________ System Core: | Intel Core i5-2500K + ASUS P8Z68-V + 16GB Corsair XMS3 DDR3 1333 MHz | Win7 x64 | MSI R7970 Lightning 3GB [1105/1400] | Display: | 3 x Dell Ultrasharp 3007WFP-HC @ 7680x1600 | Dell u3011 |
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