Is it possible that you typed the "BO" wrong? Its "iw reg set BO" (for Bolivia, I think), not B-Zero.

Hi Guys,

i was trying to get the 3D-Driver running on my new Laptop with Backtrack 5r3 64 bit KDE, but I had no luck so far. The Laptop has a HD 4000 Graphiccard (Ivy Bridge) + a Nvidia GT 640M LE...