Hi, it looks like this might be the cause: https://kernel.ubuntu.com/git/ubuntu/ubuntu-xenial.git/commit/?h=master-next&id=423c214817cfb7c96c198a873bcb56b498458fb9
With the fix: https://github.com/torvalds/linux/commit/1dd93f873d8ed8e5b228d1ae324b1f3c1e94bfa8 Can you give this patched kernel a try to see if it can fix your issue? https://people.canonical.com/~phlin/kernel/lp-1837117-eeepc/ Thanks ** Changed in: linux-signed (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837117 Title: Laptop backlight is off after system boot up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1837117/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
