I've never seen this problem before. The only unusual thing I can see is that you have a shiny new Whiskey Lake GPU, which means it's a newish graphics driver path.
Can you please make a video of the problem on a phone or camera? ** Package changed: xorg (Ubuntu) => mutter (Ubuntu) ** Also affects: mesa (Ubuntu) Importance: Undecided Status: New -- 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/1846201 Title: Rendering is delayed on laptop display (works in external display) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1846201/+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