Hi Christopher, Please count me in. I am using a Lenovo X250 and can't use 4k anymore. Some weeks ago / some updates before it was working if the notebook was connected directly via DisplayPort. 4k via Lenovo Dock was never working.
System settings still offer 4k resolution but screen keeps black. Thanks! -- 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/1512386 Title: 4K support not working? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1512386/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

