New GPU Issues - HELP!?

[tash124]

Hey guys i have a sapphire 5850 toxic HD 2 GB which i am trying to use but i freeze at the window 8 spinning wheel with one dot. I had this issue with a Asus GTX 650 DirectCU

 

My Specs :

 

CPU : Intel Core 2 Duo E6550 (Tryed at stock and overclocked)

RAM: DDR2 Kingston 800 8GB

GPU: Trying to use Sapphire 5850 Toxic HD 2 GB

MOBO: GA-G33M-S2 rev 1.x

PSU: XFX Core Edition PRO750W

 

4 HDD'S

1 DVD Drive

 

Also when try onboard it works perfectly fine

 

Ask for any more specs