Man i am pissed,the game starts and runs no problem but the color in the center of screen is correct but about 3 inches all around the screen have a purple tint to it.I have tried everything to changing all settings ,reinstalling drivers and its still there.I am rotted.Anyone else having this issue?If so is there a fix?Here are some of my gear.

Asus 27" monitor
Gtx 580 1.5 gb
i7 860-2.8 quad core
8 gb ram
windows 8 64 bit

Please if someone could help me i would be grateful.