Secure Boot Violation” may display when Secure Boot is enabled in BIOS and attempting to boot into Ubuntu and Debian - ThinkStation - Lenovo Support GB
![Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub](https://user-images.githubusercontent.com/29574622/173393521-a69ee208-ad58-4b8d-97e8-fa3ecf6c0a0e.jpg)
Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub
![Notebook] When starting up the laptop, a 'Secure Boot Violation' message appears | Official Support | ASUS Global Notebook] When starting up the laptop, a 'Secure Boot Violation' message appears | Official Support | ASUS Global](https://km-ap.asus.com/uploads/PhotoLibrarys/8a53fc79-6a00-4a96-8408-a7e886967aef/20230714145807415_1.png)
Notebook] When starting up the laptop, a 'Secure Boot Violation' message appears | Official Support | ASUS Global
![Invalid Signature Detected Issue on a Windows PC — Auslogics Blog | Tips to Diagnose & Resolve Computer Issues Invalid Signature Detected Issue on a Windows PC — Auslogics Blog | Tips to Diagnose & Resolve Computer Issues](https://www.auslogics.com/en/articles/wp-content/uploads/2019/08/shutterstock_2007982409.jpg)
Invalid Signature Detected Issue on a Windows PC — Auslogics Blog | Tips to Diagnose & Resolve Computer Issues
![Solución | SECURE BOOT VIOLATION | Invalid signature detected. Check secure boot policy in setup - YouTube Solución | SECURE BOOT VIOLATION | Invalid signature detected. Check secure boot policy in setup - YouTube](https://i.ytimg.com/vi/jdp5D7O3lfE/sddefault.jpg)
Solución | SECURE BOOT VIOLATION | Invalid signature detected. Check secure boot policy in setup - YouTube
![Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub](https://user-images.githubusercontent.com/29574622/173393480-f37ad90f-f126-4cf0-9999-c853711ad089.jpg)