Unless this Dell XPS 17 is different to many of the nvidia optimus laptop models, I think it's the Intel drivers not playing well with the HDMI output. My laptop is an nvidia optimus, has an HDMI output and a VGA output, and I can reproduce the problems here described with HDMI, but everything works well with VGA. I've tried different resolutions on different external screens, and where VGA works just fine, HDMI doesn't work well.
It may be that the wiring in the laptop model is different for VGA than HDMI, but I haven't seen anyone else complaining about VGA output on the mailing list. I think it's worth having a look to where the problem may be in the Dell XPS 17 with a proper bug report. On Sat, Aug 20, 2011 at 2:00 PM, Dave Airlie <airl...@gmail.com> wrote: > On Sat, Aug 20, 2011 at 10:58 AM, Albert Vilella <avile...@gmail.com> wrote: >> I think it may be that your intel drivers aren't playing well with the >> HDMI+External monitor combination. Can you submit a bug report against >> xorg? In a terminal, type: > > If by you mean they see a monitor but don't display or light it up, > welcome to optimus. > > Not something we can fix in software. > > Dave. > _______________________________________________ Mailing list: https://launchpad.net/~hybrid-graphics-linux Post to : hybrid-graphics-linux@lists.launchpad.net Unsubscribe : https://launchpad.net/~hybrid-graphics-linux More help : https://help.launchpad.net/ListHelp
