Scratch the last... I think it was unity-2d that was starting somehow. Back to standard 'Ubuntu Classic' - compiz settings are reset & all 3D is working again in that desktop mode. Sorry for the noise.
Scratch the last... I think it was unity-2d that was starting somehow. Back to standard 'Ubuntu Classic' - compiz settings are reset & all 3D is working again in that desktop mode. Sorry for the noise.