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

SOLVED
Tinkerer

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?

1 ACCEPTED SOLUTION

Accepted Solutions
Tinkerer

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


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.

Tags (1)
5 REPLIES
ACE Pathfinder

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

You want this article:

Changing BIOS mode from UEFI to Legacy

Important Links: Global Support Pages | Knowledge Base Articles
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Tinkerer

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

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

ACE Pathfinder

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

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

 

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

Important Links: Global Support Pages | Knowledge Base Articles
Remember to mark posts that resolved your issue with Accept as Solution. You can even mark multiple posts in a single thread. This will make it easier for others to find the same information. Use the Give Kudos button to offer a thumbs-up for good post content and a pat on the back to the author.

Tinkerer

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


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.

Tags (1)
New User

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

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