CPU Power connectors are either a single 4pin 12v1@20A or the (4+4) 8pin 12v2@17A.
PCIe Power connectors
The 6 pin PCI-E cable has 3 12V lines (yellow) and 3 ground return lines
8 pin PCI-E cables have 3 12V lines and 5 ground return lines
6 pin being 75W and the 8 pin being 150W.
These cables should NEVER be mixed up.
You have possibly bummed your motherboard or your GPU, either way it's RMA time.
well, i got the sulution i'm buying a new motherboard and i hope it works orelse i have to buy a new cpu too ... damnit i hope not because i bougth a upgrading package for my computer a week ago and i dont have warranty