*** This bug is a duplicate of bug 268387 *** https://bugs.launchpad.net/bugs/268387
Andrew, that is not the problem I described. I do _not_ close the lid. When I run "xrandr" from a terminal the external display goes black. My laptop screen is fully lit all the time. My guess is that either xrandr itself, or the graphics driver, does something weird... ** This bug has been marked a duplicate of bug 268387 querying driver for supported resolutions makes screen flash -- Screen flashes black when starting totem with dual screen https://bugs.launchpad.net/bugs/269862 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs