I have the same problem.
When I research a lot of people say they have a screen Hyundai L70S.
Will this be helpful?-- Video Frequency too high https://bugs.launchpad.net/bugs/272804 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
