![TechCrises.com | An IT blog that brings information about Android, Windows Phone, iOS, Apple, tips and tricks and other TechCrises.com | An IT blog that brings information about Android, Windows Phone, iOS, Apple, tips and tricks and other](https://www.techcrises.com/wp-content/uploads/2018/02/asus_invalid_signature_detected.png)
TechCrises.com | An IT blog that brings information about Android, Windows Phone, iOS, Apple, tips and tricks and other
Invalid signature detected" message prompt on every boot up. How do I fix? - CPUs, Motherboards, and Memory - Linus Tech Tips
![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/29574622/173393420-86c532e0-e06e-45f0-a26f-0dbb46ef2113.jpg)
Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub
![I've recently opened my Asus Laptop to find that it is telling me "Secure Boot Violation Invalid signature detected. I've recently opened my Asus Laptop to find that it is telling me "Secure Boot Violation Invalid signature detected.](https://f01.justanswer.com/1uJXs8wx/15579085975248119716898369449899.jpg)
I've recently opened my Asus Laptop to find that it is telling me "Secure Boot Violation Invalid signature detected.
![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)