I have a Lenovo Ideapad 100-15IBY 80MJ with the same problem, can't do changes in BIOS and can't boot from other media. I have tried switching kernels (4.14.9, 4.14.10 and 4.15-rc6) but it doesn't help.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1734147 Title: Ubuntu 17.10 corrupting BIOS - many LENOVO laptops models To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1734147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs