hey guys...i need help fast...i have an ASUS M4N68T-M V2 MOTHERBOARD with 5 gb ddr3 ram (one plus four) (looking to make it 8gb ddr3) and 2 gb geforce gt 610 graphics card...i unlocked 2nd core of the amd sempron 145 and now..i am facing issues..parts of the screen goes pink..colour gets mixed and things like that..i have windows 7 64 bit operating system.....please help