So, after trying to reflash it with atiflash in DOS mode, the HD 6770 cannot be dettected by atiflash -i command, I'v tried with another ATI card and it is welll recognized by atiflash -i, so I concluded that my HD 6770 died, "I'm I wrong about that ?"
the good new is that the card still under warranty, but what I'm gonna say to the resseller to accept the card ??
and is there any way the ressellers techniciens can figure out that I flashed it, even if the card cannot be detected??
thx alot friends , I really apreaciate your help.