Fix: 'Secure Boot Violation - Invalid Signature Detected' Problem
How to fix Invalid Signature Detected?
How to Fix Secure Boot Violation on UEFI-Based Computer | Password Recovery
Secure Boot Violation- Invalid Signature detected. Check Secure Boot - Microsoft Community
Secure Boot Violation” may display when Secure Boot is enabled in BIOS and attempting to boot into Ubuntu and Debian - ThinkStation - Lenovo Support CH