I restarted the laptop, enabled Secure Boot option in the UEFI. The same error popped out and was unable to boot into Ubuntu until I disable Secure Boot:
"Boot failure : a proper digital signature was not found. One of the files on the selected boot device was rejected by the Secure Boot feature." -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821630 Title: After enabling Secure Boot - unable to boot Ubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1821630/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
