Asus VS278Q slow refresh rate. Please help?

location201

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Aug 16, 2014
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So I have the 27 inch Asus VS278Q. The screen is struggling to refresh fast enough and it's just awful to use. Games are unplayable on it. I've tried lowering the resolution but it still struggles and everything lags, even minimizing tabs. Anyone know how to sort it out? Thanks in advanceHere are my pc specs:
i7 4790k
16gb Corsair Vengeance Pro RAM 1600mhz
GTX 980 SC 4gb
Asus Maximus VII Hero