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.
234
questions
0
votes
1
answer
558
views
Why can Debian 11 no longer load after Windows 10 changed motherboard state?
Note that this question is not a duplicate of the typical dual-boot questions, because I never have the Windows-HDD and Linux-SSD at once in the PC, so they cannot touch each other's (efi) partitions.
...
2
votes
1
answer
277
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 ...
- 119
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 ...
- 11
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. ...
- 21
0
votes
0
answers
493
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 ...
- 1
1
vote
1
answer
756
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 ...
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 ...
- 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 ...
- 11
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 ...
- 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 ...
- 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.
- 11
5
votes
2
answers
68k
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
...
- 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 ...
- 11
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 ...
- 101
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-...
- 161
1
vote
0
answers
320
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 ...
- 4,988
0
votes
0
answers
122
views
Error after enabling secure boot
I am using msi motherboard
Having windows 11
After i went to bios to enable secure boot for the valorant's requirement. The I saved and exit the bios setting, then the computer starting restarting and ...
- 1
0
votes
2
answers
15k
views
How to disable secure boot without entering UEFI?
My problem is secure boot. I am trying to boot into Linux using a USB but most distros won't work with secure boot, I already know secure boot can be disabled in the UEFI settings, and I know how to ...
0
votes
1
answer
1k
views
Trying to Disable Secure Boot
I am trying to disable Secure Boot in my Linux Mint OS. My laptop is an Acer Aspire 5.
The problem is I can use the arrow keys on all BIOS menus, except Security and Boot. When I navigate to the ...
5
votes
0
answers
3k
views
Kernel lockdown disallows loading of an self-compiled and self-signed in-tree kernel module
I'm having difficulties loading a kernel module that I myself compiled and signed for Secure Boot. The module in question is ec_sys, located within drivers/acpi directory of the kernel tree.
I'm using ...
- 161
0
votes
1
answer
1k
views
Is there anyway to ignore the CMOS Check during Startup? [closed]
I have broken my CMOS battery seat while replacing the battery, and I want to my pc to Ignore Cmos check during startup.
I have already turned on fast boot, but everytime I turn off the switch, fast ...
1
vote
0
answers
142
views
USB Windows 11 for TPM/SB created on non-TPM/SB system
What option is needed to install Windows 11 to a live persistent USB on a non-TPM/Secure Boot system, if the USB will be used on a TPM/Secure Boot system. I assume it is the Standard with TPM & ...
- 21
1
vote
1
answer
494
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 ...
0
votes
0
answers
125
views
Is it possible to customize an Ubuntu or Debian live system while keeping the secure boot (microsoft keys) compatibility?
I would like to create a customized live system of either ubuntu or debian while keeping it compatible with the microsoft secure-boot keys, allowing computers to boot this live-system without fiddling ...
user1271529
1
vote
1
answer
5k
views
Unable to access BIOS after enabling secure boot (no screen output)
I disabled CSM and enabled secure boot on my Gigabyte Aorus b550 AC with a EVGA GTX 1080.
Every time I boot up my machine, it boots straight into Windows (dual-boot system with ReFind as bootloader) ...
- 1,984
0
votes
0
answers
501
views
Cause for EFI Signature Change on PopOS Linux
I have a system with popos 21.10 installed. I had added the vmlinuz.efi signature to the secure boot list. Today I tried to boot the system after a week idle and it gave me an error saying the ...
- 103
0
votes
0
answers
146
views
I have an HP pavillion 1178 convertible and I was messing with secure boot and now my load HP factory default keys button is greyed out
What should I do?
I was trying to install mint and it said to disable secure boot, it was greyed out so I cleared the keys and then the load hp factory defaults keys option got grayed out.
_
2
votes
1
answer
2k
views
Secure Boot support on a custom-made PC with Windows 10 Pro
As part of my Windows 11 upgrade activities, MS says my PC does not support Secure Boot. Something also confirmed by msinfo32.exe:
msinfo32 snapshot
Strangely enough, when I entered BIOS it states ...
- 33
1
vote
1
answer
1k
views
Secure boot with unified kernel image on openSuSE?
I am trying to install OpenSuSE Tumbleweed on a system with encrypted root partition. At first i tried to set up GRUB, but it refused to recognize a LUKS-encrypted partition.
Currently I am trying to ...
- 8,275
0
votes
1
answer
4k
views
How do I sign kernel modules in Linux to successfully install NVIDIA drivers using dkms?
I use Kubuntu 18.04 and I'm trying to install NVIDIA driver using the run file provided by NVIDIA itself instead of using package managers.
I first Installed the following packages:
$ sudo nano /etc/...
- 115