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How do I disable secure boot on an Aspire V5-171?

How do I disable secure boot so that I can install Ubuntu on an Aspire V5-171?

Answers

  • Acer-TommyAcer-Tommy Posts: 6,317Member Seasoned Specialist
  • ændrükændrük Posts: 4Member

    Thank you, but no, I don't. Those instructions will cause Windows 8 to fail to boot.

     

    Apparently I wasn't clear enough earlier. This is the setting I'm asking about:

     

    UEFI Secure Boot setting on an Aspire V5-171

  • Acer-TommyAcer-Tommy Posts: 6,317Member Seasoned Specialist

    Yes, you MUST set UEFI to Legacy to disable that.

     

    You were asking about installing Ubuntu ... nothing about keeping Windows 8 bootable.

  • ændrükændrük Posts: 4Member
    Accepted Answer

    Acer-Tommy wrote:

    Yes, you MUST set UEFI to Legacy to disable that.


    This is factually incorrect. The option to disable Secure Boot becomes available when a supervisor password is set.


    Acer-Tommy wrote:

    You were asking about installing Ubuntu ... nothing about keeping Windows 8 bootable.


    I mentioned Ubuntu as my motivation for asking about Secure Boot so that the term would appear on this page and help guide others who are searching the web for solutions to the same problem. I'm sorry it mislead you.

  • alexscorpionalexscorpion Posts: 1Member

    Set a Supervisor Password from BIOS, then you will be able to disable Secure Boot.

     

    http://community.acer.com/t5/Acer-Tablets/w510-Why-is-Secure-Boot/m-p/10445#M817

     

    That worked for me. Continuing on installing linuxes

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