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/29574622/173393546-0f71a7f0-b100-416e-98d7-5a37e1af98cf.jpg)
Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub
![How To Fix The Secure Boot Violation Error. The System Found Unauthorized Changes On The Firmware... - YouTube How To Fix The Secure Boot Violation Error. The System Found Unauthorized Changes On The Firmware... - YouTube](https://i.ytimg.com/vi/nla5n5pkw_U/maxresdefault.jpg)
How To Fix The Secure Boot Violation Error. The System Found Unauthorized Changes On The Firmware... - YouTube
![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)