Same here with Ubuntu 16.04, on a Samsung RF511, builtin 1366x768, external LG L203WT with 1680x1050. The problem occurred suddenly (with an update?) - had no problems since months.
Standard kernel, no additional drivers, nouveau driver for Nvidia GF108M [GeForce GT 540M] $ uname -a Linux aragorn 4.4.0-45-generic #66-Ubuntu SMP Wed Oct 19 14:12:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1307559 Title: Window decorations not drawn on external monitor To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1307559/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
