A recent update has fixed it! 18.04 as released comes with kernel 4.15.0-20-generic, which has the bad video effect. Latest update (2/7/2018) includes 4.15.0-24-generic, which does not (it works perfectly).
Thanks for your interest! ** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777257 Title: Dell Inspiron 17r 5737 Ubuntu 18.04 Video Looks Very Strange To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777257/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs