I'm using ThinkPad T495 with Ryzen 3700U, on Ubuntu Eoan 19.10. I ran into the same problem too. However, after following the suggestion by Soedarsono (Comment #7) a few days ago, the system seems stable & I experience no more blank screens since then.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1838176 Title: Kernel 5.2.3 fails to fully boot on Lenovo 330s-15arr, black screen at login screen with cursor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1838176/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs