Help me please 6670 rror

[PikachiGaming]

My graphic card mess up it diamond radeon HD 6670 I follow http://www.youtube.com/watch?v=dsJbTbgKO-g to oc it it show green and purple checkers and monitor goes black for. 2 second then go different pls help I tried fixing now it go mostly blue and red shards on screen I can't click but I can move mouse for 5 second then windows is distorted I'm crying I'm on iPod pls help mobo is asrock 970 extreme3

 

[PikachiGaming]

And it only happens when Ccc is opened. I tried uninstalling but it got stuck again. Is there a way to uninstall it without it automatically starting,'?