I read about a bug similar to this affecting mutter 3.34,but said that they can see the poi ter in the second screen. In this case my monitor falls in no-signal after a few seconds of trying to get the correct mode.
(pls, sorry for my English) Regards JM -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1907870 Title: HDMI monitor detected but black screen (has a preferred mode but no current mode) with Intel UHD graphics on kernel 5.9 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1907870/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
