HI! I had tested with Fedora 33... same results... Happy Xmass
** Summary changed: - Samsung SMBX2250 monitor detected but black screen (has a preferred mode but no current mode set) + Intel UHD Graphics: external monitor detected but black screen (has a preferred mode but no current mode set) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1907870 Title: Intel UHD Graphics: external monitor detected but black screen (has a preferred mode but no current mode set) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1907870/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp