Windows 10: Boot issues; "secure boot violation"

Discus and support Boot issues; "secure boot violation" in Windows 10 BSOD Crashes and Debugging to solve the problem; I have a acer desktop pc running windows 10. When booting i get a red box with the message "Secure boot violation: invalid signature detected. check... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by HW00, Feb 26, 2021.

  1. HW00 Win User

    Boot issues; "secure boot violation"


    I have a acer desktop pc running windows 10.

    When booting i get a red box with the message "Secure boot violation: invalid signature detected. check secure boot policy in setup"

    I've tried turning off the secure boot in BIOS but it just leads to a permanent 'acer' screen once i start it up after.

    I have been able to use alt-f10 to open trouble shooting once, but after attempting a reset to no avail i have not been able to get back to it since. If i press f12 on startup it takes me to boot options, when i enter ok on windows boot manager the only option there i get a permanent black screen.

    Any help to fix this is appreciated.

    :)
     

  2. Secure Boot Violation error

    Hi,



    Thank you for writing to Microsoft Community Forums.



    I understand that you receive a warning regarding Secure Boot Violation when booting the PC. For further clarity on the issue, please respond to the questions below:




      1. What is the make and model of the PC?
      2. Which build version of Windows 10 are you using currently?


    Meanwhile, I would suggest you to follow the steps mentioned below and see if that helps.



    Method 1:



    Try loading the BIOS to default settings and see if the issue persist. You may want to get in touch with the manufacturer of the PC for further assistance with resetting BIOS.



    In addition, you can check if any update for BIOS is available and try updating the BIOS by contacting the manufacturer.



    Note: Modifying BIOS/ complementary metal oxide semiconductor (CMOS) settings incorrectly can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems
    resulting from the configuring of BIOS/CMOS settings can be solved. Modifications of the settings are at your own risk.




    Method 2:



    Disable Driver Signature Enforcement, and see if you are able to boot to Windows normally.



    1. Now press Windows +
      S key together to open Search.
    2. Now type CMD and select Run as administrator.
    3. Accept the UAC prompts.
    4. Type in the following command and hit Enter:

      bcdedit.exe /set nointegritychecks on
    5. Restart the PC


    Let us know how it goes.



    Regards,

    Prakhar Khare

    Microsoft Community – Moderator
     
    Prakhar_Khare, Feb 26, 2021
    #2
  3. Secure Boot Violation

    I have searched for an answer to my problem but I can't find one.

    When I start my PC, it starts with the lenovo logo and then shows:

    Secure Boot Violation

    Invalid signature detected. Check Secure Boot Policy in Setup

    Ok

    I have disabled Secure Boot and it just stays on the Lenovo logo.

    Please help cause I need it for school work.
     
    TravyGravy, Feb 26, 2021
    #3
  4. Boot issues; "secure boot violation"

    Boot error "secure boot violation invalid signature detected check secure boot policy in setup ".

    Hi Sebastian,

    The issue is you are getting an error “secure boot violation - invalid signature detected”. We need some more information to assist you in a better way.

    • Do you get any error code along with the error message?
    • How did you install Windows 10? Was it upgrade or clean install?
    • When you get a lot of words, is it on a blue screen?
    • Have you updated chipset and BIOS drivers?
    • Are you able to boot to the desktop?
    • Did you try to boot in safe mode? If yes, were you able to boot?
    Here is something we may try and check if this helps in resolving the issue with the error secure boot violation - invalid signature detected.

    Method 1: Disable security boot

    I would also suggest you to disable the secure boot and check. When your computer starts, wait for the manufacturer logo to check the option for boot menu, it will usually be any of the function key (eg: F12). Restart the computer; keep pressing the
    Boot menu option key to enter the boot menu. Disable the secure boot option and check.

    Method 2: Disable driver signature enforcement.

    Please refer the link.

    Start your PC in safe mode in Windows 10

    Note: Refer Disable driver signature enforcement in the link above.

    You may contact the computer manufacturer for further assistance if this doesn’t resolve the issue for changes in BIOS (Basic Input/output system).

    Note: Modifying BIOS/ complementary metal oxide semiconductor (CMOS) settings incorrectly can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting
    from the configuring of BIOS/CMOS settings can be solved. Modifications of the settings are at your own risk.

    Hope this helps. Please get back to us with more information if the issue persists, or if you have any queries related to Windows. We are here to assist you.
     
    Anup Karkal, Feb 26, 2021
    #4
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Boot issues; "secure boot violation"

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