Oh actually this sounds like bug 1867668. Please uninstall xserver-xorg- video-intel and don't configure your system to use it. You should log into 'Ubuntu on Wayland' instead.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1945309 Title: Screen flickering on Ubuntu 20.04 - HP Spectre X360 with Intel Skylake GT2 [HD Graphics 520] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1945309/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs