ad 1) When I boot the old kernel, the lines start to appear. They stay as long as I run the old kernel. When I boot the new kernel, they are there at the beginning and then slowly fade away and never come again. ad 2)3) Even if the cause was different, the reported behavior is the same.
Anyway, its fixed now. Thanks for your help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1771204 Title: Horizontal lines on Samsung Laptop np900x3f after Update to 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1771204/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
