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R9 280x Dual screen problems

R9 280x Dual screen problems
« on: July 16, 2014, 07:41:12 pm »
Hey guys, got an odd problem to report,

Gigabyte Radeon R9 280X Rev2.0 WindForce 3X OC 3072MB
750W PSU

Got this card about 2 weeks ago. I run 2 screens, one 23" 1080p over a HDMI and a older VGA 1440x900 17.5", through an adapter, through the DVI port.

So the problem lies when i game on my main 1080p. When i do the second screen has horizontal lines appear which are really noticeable.
They then disappear when i stop gaming on my main screen. It's not any one indivigual game that crates this issue. I play WOW, lol and Archeage and they all share the same problem.

Any suggestions on how to resolve the problem?
Cheers.