Public bug reported: I'm using LATITUDE E5510 laptop, on ubuntu 12.04 LTS
On gnome-control-center display, application properly shows maximal resolution, that works on my machine (1600x900). Resolutions detected on primary display includes only one resolution (1600x900). When I plug secondary monitor, with different resolutions set supported, I cannot enable display mirroring (this option is greyed out). In secondary monitor, I can use few different resolutions. I was able to work-around this problem, by simple adding resolution to eDP1 screen (primary display) with xrandr tool. xrandr --addmode eDP1 "1280x1024" After that, I was able to change resolution at gnome-control-center display applet to "1280x1024" on my primary display, and I was able to use mirroring feature. (both devices switched to 1280x1024 resultion). It's not a critical problem for me (since my workaround works for me), but I think that fixing this issue can improve overall user experience. If requested, I can provide lshw output (or other). Best regards, ** Affects: gnome-control-center (Ubuntu) Importance: Undecided Status: New ** Package changed: pathological (Ubuntu) => gnome-control-center (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1100780 Title: Cannot mirror display output between primary and secondary display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1100780/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs