All Questions
Tagged with secure-boot boot
45
questions
0
votes
1
answer
20
views
Unable to turn on secure boot
The secure boot on my ThinkPad T14 Gen4 is turned off. So, I tryed to turn it on by following the instructions on the Lenovo page.
But then, after saving and exiting, the following window pops up:
I ...
- 456
0
votes
0
answers
21
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Can't enable reagentc whatever I do
While trying to enable secure boot in order to upgrade my PC to Windows 11, I used the mbr2gpt tool to convert my disk to gpt, since without doing this, upon enabling secure boot my PC would boot ...
- 1
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) ...
- 56.1k
0
votes
2
answers
511
views
Windows 11 installed on a refurbished HP so that I can't suppress Secure boot mode to boot on USB
I recently bought a refurbished HP Z4 G4 with windows 11 already installed. In order to dual boot, I have to change the bios/UEFI Secure Boot to disable (and legacy to enable). I am able to change it ...
- 181
0
votes
1
answer
353
views
Delete PK key from terminal when secure boot is disabled
When secure boot is disabled, is it possible to delete the PK key from terminal? I know that to change the keys, you need to enter setup mode. And to enter setup mode, you need to delete the PK key. ...
- 322
0
votes
2
answers
8k
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Secure Boot Violation: Invalid Signature Detected, Check Secure Boot Policy in Setup Error - HackBGRT (how to use secure boot with it)
Update - Go to answer for steps.
First off, I am trying to enable secure Boot thus I don't consider disabling secure Boot a solution.
I have a Gigabyte B450M DS3H, with AMD Ryzen 5600 and have tried ...
- 19
2
votes
6
answers
38k
views
Computer doesn't POST after enabling Secure Boot
I wanted to enable Secure Boot to check if my PC Is compatible with Windows 11, and in order to do that, the UEFI firmware asked me to choose a Protocol/Publisher/Platform key (I don't remember ...
- 133
0
votes
0
answers
494
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 ...
- 13.2k
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
1
answer
170
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 ...
- 1,607
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
322
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
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 ...
- 1,278
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.
_
1
vote
1
answer
3k
views
PC won't boot or display after activating Secure Boot
Specs:
CPU: AMD Ryzen 9 5900X,
Motherboard: Gigabyte Aorus X570 Elite Wifi,
RAM: 2x16GB DDR4 Trident G-Skill Neo,
GPU: Asus RTX 3080,
PSU: Gamemax 850W,
OS: Windows 11
So I've updated to Windows 11, ...
- 43k
0
votes
2
answers
3k
views
No signal on monitor after secure boot
I want to install windows 11
So i open the bios and enable tpm (intel ppm) and then disable csm and enable secure boot after use default key
After restart i got blank screen no signal
And no bios
I ...
- 1
0
votes
2
answers
1k
views
How can I get secure boot working after manually creating EFI partition with diskpart?
motherboard: ASUS ROG STRIX X570-E GAMING Rev X.0x
I successfully enabled secure boot and installed Windows 11. Because of issues I decided to go back to Windows 10 and experiment on another machine. ...
- 597
1
vote
1
answer
417
views
Every time I eneble secure boot for windows 11 my pc doesnt boot and I have to reset bios settings by removing battary. Why is that?
So basically I want to update to windows 11 and I have to eneble 2 security settings TPM and secure boot I succesfully enebled Tpm but each time I try to do the same with secure boot my screen, ...
CommunityBot
- 1
2
votes
0
answers
711
views
How more secure is using Shim/PreLoader than having Secure Boot disabled?
I have my doubts on how secure is using Shim/PreLoader to allow booting Linux with Secure Boot enabled.
My doubt comes from the fact that it seems to me Shim's MokManager and PreLoader's HashTool can ...
- 359
0
votes
1
answer
3k
views
Multi-boot USB using Windows bootloader and UEFI, for WinPE 4.0 and Windows 8 installation
I have a large USB drive that I would like to use to multi-boot several Windows products. The way my project seems to differ from every other thing I have found on Google is that I want it to work ...
CommunityBot
- 1
0
votes
0
answers
486
views
Linux usb live cd not starting due to secure boot error
Greeting to you all, I'm having the following issue.
I've received a notebook (acer Aspire 3 A315-23) and
I'm trying to install a linux distribution on the system (namely a devuan beowulf).
I created ...
- 101
0
votes
0
answers
44
views
Wiped hard disk completely removing all partitions - now computer won't start from Ubuntu live stick or Windows ISO
Today I wiped the hard disk of an Asus Windows computer from 2015. It has Secure Boot. I used an Ubuntu Live stick, opened the Disks app and removed all partitions, then used Shred to wipe the entire ...
- 7,812
0
votes
0
answers
386
views
Why UEFI bootable disks take the first boot priority in UEFI BIOS?
I see several times that in Mainboards with UEFI BIOS every bootable media with UEFI option automatically takes the first boot priority, I want to know what's the reason for this behavior and how to ...
- 131
0
votes
0
answers
2k
views
My options in BIOS are greyed out in MSI laptop
I've pretty entry level laptop -- MSI GF63-9RCX with i5-9300H and GTX 1050Ti
I've set the admin and user password both in BIOS settings several months ago and I don't change the settings much. Today ...
- 1
3
votes
2
answers
4k
views
Why isn't grub loading in UEFI?
I'm stuck trying to get Linux to boot on my PCs. I've been trying a lot with OpenSUSE and Ubuntu on my different laptops but none of them work. Regardless how many times I run update-grub, it never ...
CommunityBot
- 1
0
votes
2
answers
3k
views
Windows 10 bios how to enable booting from USB device?
does someone know how to solve the following problem?
I like to boot from a bootable USB device on Windows 10
When clicking on advanced restart options and selecting boot from USB, it says that the ...
- 1
2
votes
0
answers
1k
views
secureboot with parrotOS - not able to sign custom kernel
I've installed Parrot OS on my surface and built the custom kernel for the surface from jakeday repo. I'm currently trying to sign my custom kernel that I can turn on secureboot again.
I've followed ...
- 21
0
votes
0
answers
90
views
Laptop doesn't boot after authorizing a new key in secure boot
I have an ASUS ROG Strix laptop with double boot (Windows 10 and Ubuntu 19.10) on it. After updating Ubuntu, secure boot started complaining about unauthorized software, so I tried to manually ...
- 1
0
votes
2
answers
788
views
Secure boot from Nitrokey storage?
I was looking into buying a NitroKey. To my surprise I found the following statement in the brochure:
Keep a Secure Operating System With you at all Times
Securely boot Windows or Linux ...
- 111
-2
votes
3
answers
5k
views
Why is Secure Boot needed if there is already UEFI lock?
As far as I know, enabled Secure Boot feature in UEFI stores signed keys in NVRAM for OSs' kernel images to check it's corruptness on boot level. But nothing prevents me to boot the Setup Menu and ...
CommunityBot
- 1
1
vote
2
answers
645
views
How to get a pre-release linux kernel to work with SecureBoot (Fedora 26)
I'm running Fedora 26, but to get suspend and resume working, I need to use a Rawhide kernel (4.13.rc-1 or later) (See kernel issue).
I've successfully installed the Rawhide kernel (4.13.rc-4) ...
- 21.9k
0
votes
2
answers
9k
views
Unable to disable Secure Boot/UEFI
I'm attempting to re-purpose and old Toshiba Satellite laptop for use as a server. I have created an Ubuntu Server installation USB, and tested it successfully on my personal laptop.
I have booted in ...
- 21.9k
1
vote
0
answers
141
views
Windows 10 Education Failing to Boot
I have been in a bit of a loop for a while now, so hear me out please.
I have an HP Probook 4540s that has been with me for about 5 years now. I have an original Windows 10 Education installed on it. ...
- 1,497
0
votes
0
answers
597
views
Will enabling proprietary drivers on 17.04 install affect secureboot and bitlocker partitions?
I originally posted this on AskUbuntu but it was suggested to me in the comments that this might be a better place.
I have a Windows 10 Bitlocker partition that if I understand correctly requires ...
- 942
1
vote
1
answer
2k
views
Installing Ubuntu with secure boot on and no way to disable it?
I don't have any OS installed. I wanted to install Win10 but it failed with error code 0x80070570 during install.
Now, I want to go back to Ubuntu but I am not able to (Only Unetbootin screen shows ...
- 11
1
vote
4
answers
24k
views
Is it possible to make a EFI file to boot Yumi USB flash drive?
2 days ago I've bought an HP Envy laptop, which comes with Windows 8 pre-installed.
Before that I were using Yumi USB flash drive with a dozen of boot options to set-up the computers (e.g. re-...
CommunityBot
- 1
0
votes
2
answers
3k
views
Windows 10 UEFI Installation
I am trying to do a clean install of Windows 10 on ASUS N550JX. I have a Samsung 850 Evo SSD. I have deleted all my partitions using GPARTED.
The problem is whenever I boot up my USB containing ...
- 130
4
votes
4
answers
9k
views
How can I disable SecureBoot when my system won't boot?
I recently upgraded from Windows 8 to 8.1 and received a warning that SecureBoot was not properly configured. I proceeded to try correcting this by installing the default keys from the BIOS and ...
CommunityBot
- 1
7
votes
3
answers
4k
views
Windows 8 to 8.1 Pro Upgrade SecureBoot Error
I upgraded from Windows 8 to Windows 8.1. I have an Alienware Aurora R4 with the latest BIOS firmware version, A09. Ever since I did the upgrade, I get a watermark on my desktop saying, "SecureBoot ...
- 543
1
vote
0
answers
282
views
UEFI multi-factor authentication on admin password?
Many UEFI vendors offer boot and Admin passwords for a local machine.
For a normal cold boot or reset, I would like the UEFI system to simply pick the properly signed bootloader and proceed.
Having ...
- 101
0
votes
0
answers
3k
views
Are there any rescue CD's which are bootable on UEFI and or UEFI with Secure Boot enabled?
I'm looking for Rescue CD's like Hiren's Boot CD which allow me to boot without switching to BIOS or turning off Secure Boot. I had no luck finding such thing.
Is it even possible to launch such an ...
- 1,969
0
votes
1
answer
1k
views
Secure boot validation failure loading ext4_x64.efi
My setup:
- Lenovo U510 with preinstalled Windows 8
- UEFI and Secure Boot enabled
- Fedora 20 installed on a new ESP partition
Having two ESPs I wasn't able to boot Windows with grub, so I ...
3
votes
1
answer
2k
views
Windows 8 Secureboot: How do you bootup from another device such as cd/dvd drive or usb flash etc.?
On PC's and laptops running an older OS, this is just a simple matter of going into the BIOS and setting the boot sequence and putting the boot cd/dvd in the drive. In many cases you can even just hit ...
CommunityBot
- 1
8
votes
2
answers
5k
views
Is there something like a BIOS in Windows 8? [closed]
Is there something like a BIOS in Windows 8? How can I set up the boot device priority? My problem occurs when switching on my computer. It immediately goes to Windows 8 loading screen without ...
- 2,401