Ubuntu 17.10 monitor not detected (black screen)

[deadmanisarabbit]

Originally Posted by Emulator

I just discovered that if I disconnect the USB dock and then I restart Ubuntu then I login and I reconnect the USB after a few seconds, it works! It's very weird!

This(!) brought back my second monitor after nearly a month.
Thank you very much good sir!

[Emulator]

Originally Posted by deadmanisarabbit

This(!) brought back my second monitor after nearly a month.
Thank you very much good sir!

You are welcome! I'm using this trick in order to use my 3rd monitor correctly but it's very very annoying.