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Questions tagged [secure-boot]

For questions on “Secure Boot” and “Restricted Boot” the new bios feature that is in computers with the “Windows 8” logo.

1 vote
3 answers
9k views

After disabling Secure Boot in Lenovo Yoga 14 I cannot boot into Windows 10

To test a bootable USB flash drive, I disabled Secure Boot on my Lenovo Yoga 14. When I want to restore my BIOS setting back, I found every time I did it and restarted the PC, the setting with ...
0 votes
1 answer
77 views

Bypassing Secure Boot without disabling it

I've tried archboot, but no luck as I was stuck due to the plymouth missing. Now I want to try to install arch or nixos alongside Win 11. The problem lies in secure boot. I don't have spare linux to ...
0 votes
1 answer
61 views

BIOS asks password every time but secure boot is disabled

I had to set a temporary password for both SSDs using secure boot but now, I can't disable it. I tried to restore and revert everything, but it doesn't go away. Here, Admin y User Password only ...
1 vote
2 answers
6k views

How to create an unattended Windows installation medium/iso/usb supporting Secure Boot and resulting in a UEFI-Windows installation?

Creating a medium from which a system can boot while Secure Boot remains active, is possible with the default Windows iso from Media Creator, but what about edited images? Creating a unattended ...
1 vote
2 answers
5k views

Can't enable secure boot in Windows 11

I am using Windows 11 and can't enable secure boot. I tried to enable it in BIOS, but it still doesn't work, and in system information, it's off.
2 votes
1 answer
15k views

Cant boot to EFI shell Asus Motherboard

I have an Asus Maximus VIII Impact MotherBoard I just purchased an Intel RS3UC080 RAID card, and notice the firmware was very out of date. I figured I would update it before using the card. To do ...
-1 votes
0 answers
146 views

Secure Boot Option greyed out in Asus BIOS

I have an ASUS TUF F15 Laptop. Model : FX506LH BIOS VERSION : 310 OS : Windows 10 Home Single Language Secure Boot is ENABLED in the BIOS settings and greyed out and there is no way to disable it. ...
1 vote
0 answers
99 views

How can I use unified kernel images with Ubuntu and Debian?

I would like to use unified kernel images (UKIs) and systemd-boot to take advantage of some of the hardware security features it provides (such as measured boot and real secure boot). I think that the ...
1 vote
1 answer
3k views

Questions about using Clonezilla to create and restore image on Windows 8.1 secure boot system

I'd like to use clonezilla to create a disk image of a Windows 8.1 system with secure boot enabled and some third-party software installed, so that I can at a later time restore the system from that ...
0 votes
1 answer
2k views

windows 11 error The Secure Boot update failed

for some reason this error is constantly thrown and logged in the Windows Event Viewer: The Secure Boot update failed to update a Secure Boot variable with error Secure Boot is not enabled on this ...
5 votes
2 answers
67k views

How do I turn secure boot off in UEFI BIOS on an ASUS TUF Gaming board?

I've tried following various tutorials. The closest one to displaying similar screens as I have was this: https://www.technorms.com/45538/disable-enable-secure-boot-asus-motherboard-uefi-bios-utility ...
7 votes
3 answers
139k views

What happens if you delete all secure boot variables?

I am attempting to install Kali Linux alongside a preinstalled Windows 10. Secure boot restricts me from booting from USB, so what happens if I delete its variables?
1 vote
1 answer
491 views

Machine owner key (MOK) details and predeployment options

Currently I am trying to get into the mechanisms behind Secure Boot, shim and machine owner keys. What I observed is the fact, that the key, that I've imported via mokutil is permanent even if: the ...
1 vote
1 answer
970 views

Odd message during boot using GRUB

I use Secure Boot, followed by GRUB2, set up to boot Debian 12 and Windows 11 at the choice of a user. Right after the user chooses Windows and hits ⏎, we see a black screen with two white lines on it ...
0 votes
1 answer
836 views

How to fix error: "FAIL: Unable to load driver '\efi\rufus\exfat_x64.efi': [26] Security Violation"

I'm trying to reinstall Windows 10 but the short DST test fails and also it states Unable to load driver '\efi\rufus\exfat_x64.efi': [26] Security Violation. My laptop is a HP EliteBook 840 G3 1TB ...

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