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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.

2 votes
1 answer
276 views

Build date of bios version - how to check orginality of version ? - used motherboard

I have a used motherboard. Can I make sure that the bios is authentic including the keys (secure bios) ? How can I check it? For example, the build date of the bios is a few days older than the ...
Santa Monica's user avatar
1 vote
1 answer
1k views

Is disabling secureboot that bad?

I want to sometimes use Linux, sometimes windows. I found out that, Puppy Linux is small, I can install it on a USB. But the problem is, if I click on my USB in the boot menu, I have to disable secure ...
slavekrouta's user avatar
0 votes
1 answer
307 views

ASUS X570-PLUS (WIFI) and Samsung 850 EVO SSD, forced to use CSM and Secure Boot not working

New build with an ASUS X570-PLUS and an older Samsung 850 EVO SSD. The drive is not detected by the motherboard unless I enable CSM. Safe Boot is enabled in BIOS but Windows is showing it as disabled. ...
Benjamin M's user avatar
0 votes
0 answers
492 views

PC not booting after enabling secureboot in Linux

I tried to Multiboot my Laptop with secureboot enabled, I installed fedora on one SSD and had Windows 11 on the other one. Then I generated a new key for the UEFI. I enabled secureboot in the UEFI ...
Cron3x's user avatar
  • 1
1 vote
1 answer
753 views

Boot stuck on Dell logo after changing GPU, Secure Boot enabled

I have recently bought and installed an AMD RX Radeon 6600, and now my computer gets stuck at the Dell logo and I cannot get to the BIOS or anything else. After investigating, I found that if I ...
Coffee'd Up Hacker's user avatar
2 votes
0 answers
331 views

How does PCIe card vendors sign option ROMs?

If secure boot is enabled UEFI system would permit to run only signed Option ROMs. I presume PCIe card vendors want their devices to work even if Secure Boot is enabled. Therefore how does PCIe card ...
kostr22's user avatar
  • 163
0 votes
4 answers
3k views

Getting a “Secure Boot Violation” on an MSI Modern 14 after a Windows 11 update failed

Upgraded Windows 10 to Windows 11 on MSI Modern 14 earlier this year via Update assistant. I saw the latest Windows 11 22H2 update and put the MSI modern 14 to upgrade via Windows 11 Installation ...
AndroFan's user avatar
0 votes
1 answer
169 views

Is it possible to "go back" to grub after booting linux

I am trying to enable secureboot so I can forget about it when switching between windows and linux through dualboot. However, grubs newer versions don't allow mods to be inserted after boot, so I need ...
Jark's user avatar
  • 1
0 votes
0 answers
42 views

Bootloop behavior for Win10 installation or Win10 install media

I have a Win10 system I've been using without any issues for ~2.5 years. The mobo is ASUS ROG Crosshair VIII Hero Wifi. The CPU is Ryzen 3950x. Last week I had a weird occurrence where the system ...
The111's user avatar
  • 673
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.
Szymon's user avatar
  • 11
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 ...
Seph Reed's user avatar
  • 885
1 vote
0 answers
2k views

bcdedit.exe command giving strange error

Until yesterday i could use the command bcdedit /set testsigning on, so that i could start kernel mode drivers that are not signed, and then bcdedit /set testsigning off before shutting down, and i ...
User9387425's user avatar
0 votes
1 answer
1k views

Aptio 2.22 @Asus PN52 - how to enable boot from usb stick and install Linux?

I am trying to install Linux Mint 20.3 from USB stick on my new Asus PN52. USB stick was made with UNetbootin on Linux Mint 19. USB drive and internal NVMe disk - operating system destination - are ...
Marcin Badtke's user avatar
0 votes
0 answers
3k views

Debian 11 - grub: Secure boot forbids loading module from (hd1,gpt5)/grub/x86_ 64-efi/exfat.mod

When booting up, my screen flashes with a bunch of errors, reporting that some grub modules couldn't be loaded due to Secure Boot, e.g.: Secure boot forbids loading module from (hd1,gpt5)/grub/x86_ 64-...
mdx's user avatar
  • 161
1 vote
0 answers
318 views

Is it possible to allow only a certain secure USB boot media to boot an UEFI system?

I want to restrict all USB boot media from my system, except for a certain USB boot drive that I declare secure via a certain key. Is this possible using UEFI/Secure Boot/TPM? Maybe via TPM? TPM gets ...
JohnnyFromBF's user avatar
  • 4,978

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