@Steve We have run LockDown.efi and then enable secure boot.
The errors are attached in the picture. ** Attachment added: "17 下午2:50:10.jpeg" https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1187233/+attachment/3739636/+files/17%20%E4%B8%8B%E5%8D%882%3A50%3A10.jpeg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1187233 Title: Grub2 fails on ASUS X201E with secure boot is enabled To manage notifications about this bug go to: https://bugs.launchpad.net/grub/+bug/1187233/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs