Flickering green pixel problem

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hi guys

Installed a Asus GTX 670 CUII OC last week. But only just noticed im getting green flickering pixels when i have block or grey on the screen. its not always appearing, it comes and goes.

Before this i had a 560ti which i didnt have any problems with.

Temperature does not go over 74oC

anyone every experienced this? i will try and capture a screen shot if possible.

Dan

 

[Blame]

Right, i think its not a gfx card issue now. i run dual monitors. when i play on the Samsung 24" i dont have that problem, but when i switch back to my DGM 24" its has this problem. any idea's why?

 

[Blame]

i will try and use a different cable 1st to see.

yes its strange how the previous card didnt have this problem