How to fix Secure Boot Violation in Windows 10

If your Windows 10 computer does not boot normally, but instead displays a red warning box saying Secure Boot Violation, Invalid signature detected, Check Secure Boot Policy in Setup then this post will help you.

Invalid signature detected. Check Secure Boot Policy in Setup

This problem occurs when you install a non-OEM signed boot software which starts at boot-time. Many people have faced this issue on various laptops made by Dell, HP, Lenovo, ASUS, Samsung, etc.

How to fix Secure Boot Violation in Windows 10

To resolve this error Secure Boot Violation, Invalid signature detected, Check Secure Boot Policy in Setup, you need to follow these suggestions-

  1. Disable Secure Boot
  2. Disable Driver Signature enforcement

These suggestions have been explained in details below.

1] Disable Secure Boot

Disable Secure Boot for Windows 10 from BIOS

Secure Boot is an essential security layer that blocks non-OEM signed boot software from running at the startup. However, if you know what you are doing with the non-signed software, you can disable Secure Boot. You can find an option in the BIOS.

Do note that when you disable Secure Boot, it makes the computer that much ‘less secure’ – so use it only as a temporary measure.

Related read: The system found unauthorized changes on the firmware, operating system or UEFI drivers.

2] Disable Driver Signature enforcement

Change Windows 10 Boot defaults

If you have installed a non-digitally-verified driver, there is a chance of getting this warning message on your Windows 10 computer. The solution to disable Driver Signature enforcement and check if the issue remains or not. You can disable it from Advanced Boot Menu or use a Command Prompt.

If the problem remains, you should contact the motherboard’s manufacturer for further assistance.

Posted by on , in Category Windows with Tags
Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.

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