Hey, I bought a Gigabyte GTX770 4GB Windforce 3 graphics card when I was in the states a couple of weeks ago and since installing it it has made my PC hang on boot. It happens straight away as soon as I press the button then after exactly 90 seconds it throws up a glitched BIOS boot-screen logo and boots into Windows (8) almost instantly. I've reset the BIOS, tryed the card in the 8X PCI-E slot, reverting back to the non-beta Nvidea driver set and various other things to no avail. The only other thing I've noticed wrong with the card once it's booted happens whilst playing ARMA2 in Chernorus. The grass would sometimes flicker from a light mauve colour to the normal green and back repeatedly. Any ideas? Perhaps should I RMA the card? Many thanks.