Hello,
i have a 6770m on laptop.
i'm using dual boot.i have installed ati drivers on ubuntu but when i watch videos/play games on screen have tears/flickers i hated this.
how can i fix this ?
Thanks...

[Specs]
dv6 6020st laptop
i7 2630qm
4 gb 1333mhz RAM
ATI HD 6770m
500 gb 7200rpm HDD