Hi! I have updates on this: ¡IT WAS A CABLE PROBLEM! Same cable and same monitor that works OK with my HP OMEN 15 doesn't work with my HP 440 G7... I tried with a different cable (a shorter one) and everything looks normal.
Please, mark this as closed. Thanks everyone for the help, HAPPY 2021. -- 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
