It looks like the amdgpu driver can't properly talk to or identify that monitor. Try a different DisplayPort cable.
** Tags added: amdgpu ** Summary changed: - Proper monitor resolution/refresh rate not available + [amdgpu] Proper monitor resolution/refresh rate not available ** Package changed: xorg (Ubuntu) => xserver-xorg-video-amdgpu (Ubuntu) ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Changed in: xserver-xorg-video-amdgpu (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1879402 Title: [amdgpu] Proper monitor resolution/refresh rate not available To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879402/+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