Thanks! Sorry, I should have given some more details, I have a Lenovo Thinpad Yoga 12, with Intel graphics 5500. Thanks, Thomas On Thu, 2 Jun 2016, at 17:50, Josh Smith wrote: > I upgraded to 3.20 and had some issues with the Nouveau drivers. > Switched to proprietary Nvidia drivers and it worked much better. I'm > using a DisplayPort3 however. > > On Thu, 2 Jun 2016 at 12:20 Usama Akkad <uahe...@gmail.com> wrote: >> Hello Thomas, >> >> For me sometimes the screen connected to HDMI is not recognized >> till I >> remove the cable and reinsert it after boot. Then I might need >> to press >> the key to activate external screen on my laptop. >> >> try "xrandr" command to get info about the recognized screens. >> >> Best wishes, >> Usama >> >> On 02-06-2016 18:16, Thomas SIMON wrote: >> > Hello all, >> > >> > I'm not sure if this is the right mailing list or if I should >> > ask for >> > help somewhere else (I'm not sure it's a bug so far...). >> > Basically, the >> > problem is simple, after upgrade of Ubuntu GNOME 16.04 with >> > staging PPA, >> > my external screen was working (plugged in with HDMI), even >> > after the >> > first restart. I went away and then switched off entirely my >> > laptop, >> > when I came back, no way to get the external screen recognised >> > by the >> > system (doesn't show on "Display" of system settings and doesn't >> > show >> > with randr command). >> > >> > Then, well, I used ppa-purge, but that didn't change anything and >> > tried >> > to plug in the screen with a VGA cable (and USB adaptor) and that >> > still >> > wasn't recognised. Finally, I tested the screen with another >> > laptop >> > (running Win 10) and that got the screen to work, so I'm pretty >> > sure >> > it's an issue related to the upgrade to Gnome 3.20. >> > >> > Would anybody be able to advise please? >> > >> > Thanks a lot in advance, >> > >> > Thomas >> > >> >> -- >> Ubuntu-GNOME mailing list >> Ubuntu-GNOME@lists.ubuntu.com >> Modify settings or unsubscribe at: >> https://lists.ubuntu.com/mailman/listinfo/ubuntu-gnome > -- > Ubuntu-GNOME mailing list > Ubuntu-GNOME@lists.ubuntu.com > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/ubuntu-gnome
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