Exact same problem. I've tried many online solutions but I can't get it to work.
Using an HDMI connection. MSI GS43VR GeForce GTX 1060/PCIe/SSE2 ubuntu 16.04 LTS Nvidia binary driver 381.22 from nvidia-381 (open source) Works: - External monitor only Does not work: - First monitor only - Extended mode - Mirror mode However, during my trial and error process, I got to manage to get everything except extended mode working. ** Attachment added: "Screenshot from 2017-05-23 16-50-56.png" https://bugs.launchpad.net/unity/+bug/1404147/+attachment/4882003/+files/Screenshot%20from%202017-05-23%2016-50-56.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1404147 Title: Screen is stretched when using dual monitors To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1404147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs