Questions tagged [uefi]

The Unified Extensible Firmware Interface BIOS (UEFI) is a specification that defines a software interface between an operating system and platform firmware. UEFI replaces the Basic Input/Output System (BIOS) firmware interface originally present in all IBM PC-compatible personal computers

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HP laptop uefi bios does not recognize SATA SSD M2

The UEFI BIOS of my HP ProBook G4 has stopped recognizing the SSD unexpectedly. Arch Linux recognizes Grub (which just crashes, though) but if I try to start the system from live USB the drive is not ...
Giovanni De Paola's user avatar
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Macbook Pro is NOT showing up Bootable USB Drive

System: Macbook Pro 2019, Intel, T2 Chip, 16 GB RAM, No USB port (Using VIVA USB hub), Ventura 13.6.5 Issue: The bootable USB drive (EFI) is not showing up when restarting with 'Option' key I had ...
tom_kp's user avatar
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How to auto power on windows laptop when lid is opened from shutdown state just like hibernation state?

It has been observed that most laptops power back on by themselves upon reopening the lid if they were in hibernation mode. However, this behavior is not replicated when the laptop was in full shut ...
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Four partitions on MBR disk

I have four partitions on an MBR disk: Boot Win 10 OS File Storage WinRE I have a need to install Windows 10 on the third [File Storage] partition, but I have an error that states Windows on UEFI ...
Marin's user avatar
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Can't find installed linux in bootmenu

I just tried to install Linux server to my ThinkCentre m92p. First I tried to install Ubuntu server. Installation was completed successfully, but I couldn't find anything to boot in my boot menu. Then ...
FoksaK's user avatar
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Is there software to boot BIOS-related ISOs on UEFI-only systems?

I've not enough reputation points to comment on this (outdated) question and it has no answers, I am aware of that one existing: Bootloaders - Booting an MBR only OS using a UEFI only BIOS After 8 ...
Dragodraki's user avatar
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How to enable power on by keyboard on a B550 AORUS PRO-P motherboard?

I try to power on my PC using the keyboard. My BIOS/UEFI Settings are missing the older "Wake On keyboard/Password" settings. I have disabled ERP and wake on LAN works flawlessly, but I cant ...
John's user avatar
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How to enter factory mode on Insyde bios (acer)

I was disassembling an Acer Helios 300 317-52 and noticed after it sat for a long time with the CMOS, battery, and a module labeled "vendor" being unplugged from the motherboard, it would ...
aberst's user avatar
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Ubuntu doesn't see my SATA SSD

I have an Acer A317 laptop and a SATA Samsung EVO SSD. UEFI sees the SATA SSD. Only have UEFI legacy isn't an option. Secure boot is turned off... Tried setting a admin/bios password to "unlock&...
Twml's user avatar
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How to confirm that the licensing for a fresh install of Windows 10 is active and valid?

A trusted local computer shop provided a magical thumb drive, and after installing Windows I get: PS C:\Users\saund> PS C:\Users\saund> PS C:\Users\saund> [System.Environment]::OSVersion....
Nicholas Saunders's user avatar
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Installing Windows 11 with UEFI Firmware and ISO flashed with `dd`

I have a machine with UEFI firmware [Asus UEFI firmware version 3202] that previously ran Windows, later Ubuntu, that I now plan to install Windows 11 on, but the Windows 11 install media will not ...
Bex's user avatar
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Is it possible to remove "secure erase" menu item from motherboard UEFI firmware?

How expensive will it be if it is not free? Also, I would like to hide symbols display while entering password. Is it possible? Motherboard manufacturer is MSI. Year is 2023 or 2022.
L.P.'s user avatar
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1 answer
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Booting of Win 10 not possible, how to fix UEFI and/or bcdedit bootmgr?

Problem During the boot of my Win-10-Pro-system I get a BSOD Kmode_Exception_Not_Handled without further information provided. This results in a reboot. The error occurred after I had tried to edit ...
Qronos's user avatar
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How to prevent USB-connected printer from causing delay in pre-POST startup?

The (intermittently-occurring) symptom: After pressing the power button there's one quick beep as normal, but then there's a long-ish delay (1~2 minutes) before the second beep that indicates the ...
Theodore's user avatar
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VM UEFI firmware does not recognize SCSI devices

I am creating a virtual machine using virt-manager. I've set the firmware to UEFI, and changed both the virtual disk and CD drive to use VirtIO SCSI, instead of the default virtio-blk disk and SATA CD ...
mcendu's user avatar
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Upgrade into 64 bit Windows first or update the BIOS first?

There was this "Black Screen with Caret" issue and I couldn't boot into Windows, the UEFI firmware settings, or a bootable USB. The solution was: Press and hold power button till the System ...
Einz's user avatar
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Move From Legacy to UEFI

I recently installed Fedora 39 on my system, but I only later realized that I did so in Legacy BIOS mode. Now, I'd like to switch to UEFI boot mode without having to reinstall the entire system. Is ...
Dixit Ram's user avatar
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Can't Install any Linux Distro on new AMD Ryzen 7 5700U Mini PC

I'm trying to install Proxmox on a new machine (GMKteck NucBox M5 Pro Mini PC) but keep getting the following error : EFI boot mode detected, mounting efivars filesystem mount: /sys/firmware/efi/...
mrsmith's user avatar
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2 answers
105 views

Cloned SSD does not boot – a new twist

Looked at many posts but did not find a solution: I wanted to replace the original m.2 PCIe Kingston 500GB drive with m.2 WD 4TB SN850X (both are m.2 PCIe), with the Acer PC having one m.2 slot and ...
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Bricked 14" HP Pavilion X360m laptop - A cautionary tale of lost passwords

Best I can tell is I just bricked my laptop. A 14" HP Pavilion X360m Convertible (Model: 14m-cd0005dx). Any help at recovery would be GREATLY appreciated. I lost my passwords several months ago ...
WisJim's user avatar
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1 answer
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Execute a .efi file from within the standard UEFI Shell

I have booted the UEFI shell using a binary that is distributed as part of TianoCore / EDK2. From this shell, is there a command to manually execute/boot some other .efi file?
Alex Flint's user avatar
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Black screen when accessing the UEFI firmware settings using a specific SSD

I'm trying to access my UEFI firmware settings to change the main boot directory to GRUB on my SSD (Windows is on the HDD), however whenever I try to launch the UEFI firmware settings, I'm met with a ...
Draightmare's user avatar
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Dump All Images Possible On a Laptop Motherboard

In relation to another question I wanted to ask, supposing I pulled the drives from a laptop, and the GPU/CPU/TPM/RAM are soldered on the mother board (along with lots of other random chips). What ...
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EFI boot entry variables flicker in and out of existence

I have an Asus K55N laptop. It's very finnicky about when it chooses to show, say, an attached USB in the list of available boot entries that I access by pressing Esc at boot. That's that. However, if ...
Melab's user avatar
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Getting BlInitializeLibrary Failed 0x0000017 error while booting WinPE through bootmgfw.efi

I am trying to load a WinPE file from bootmgfw.efi after downloading bootmgfw.efi via TFTP. But once downloaded, I am getting a BlInitializeLibrary Failed error Why is that? And what could be the ...
Sagar C A's user avatar
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1 answer
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Windows 10 boot - The header checksum for this file doesn't match the computed checksum

I have a laptop from a customer with a very familiar problem. This annoying issue has plagued me for years, and all I have done in the past is a wipe and reinstall, then restoring the users folder and ...
JohnnyVegas's user avatar
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1 vote
1 answer
153 views

My UEFI doesn't boot normally after a normal CMOS reset

It started with my computer hanging at the posting screen (the HP logo with a text under it that says: "protected by hp sure start"), it kept hanging for MINUTES before it goes to boot my OS....
Anas Ouardini's user avatar
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1 answer
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How can I migrate a Windows 11 from MBR boot to GPT without reinstalling?

At start, i wanted to do it by myself, but any guide that i found just doesnt work.it turned out to be a small problem at first, all I had to do was create an efi partition on my system disk, but in ...
mind. LESS's user avatar
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Windows 11 UEFI - Issues Moving SSD BootManager

Is anyone able to help fix boot manager issues when trying to (native) boot to vhdx once copied to a new partition on a new ssd? I'm creating a new thread as my reputation prohibits me from commenting ...
Jonny's user avatar
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Grub4dos UEFI error - Cannot mount selected partition

I am using Grub4dos for UEFI (release 2023-10-16) to boot ISO files in partition named "STORING". The type of HDD is GPT as in the below picture The file MENU.LST is Grub4dos for UEFI ...
dunhill_'s user avatar
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1 answer
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What's the easiest path to make my extlinux-booted Ubuntu bootable via UEFI?

I have a single-partition Ubuntu system that's entirely contained in a ext2 filesystem, which is the active partition of its disk (MBR partition table). It's booted via extlinux, and, obviously, it's ...
user2934303's user avatar
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3 answers
324 views

Safely delete Efi System Partition to allow extension of volume

I installed Ubuntu on a fraction of one of my SSD drives. However, I ended up removing Ubuntu and deleting the space on the partition it was allocating. Now there's an EFI System Partition between my ...
minounderstand's user avatar
1 vote
1 answer
80 views

Windows OS manager changed boot settings after UEFI firmware update

I've dual booted my HP laptop with Debian and Windows 11, and GRUB boot menu was shown on boot as usual. Recently, my HP laptop got a UEFI firmware update; due to which, now Windows boots directly ...
Student Dev's user avatar
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Rebuilding grub with LVM2 and UEFI

Trying to restore my grub boot loader for Ubuntu 22.04, but a weird anomaly during the rebuild process changes the boot menu to CentOS. I have tried several rebuild attempts from many different ...
Bob_Dean's user avatar
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1 answer
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After fresh Debian install bootable USB drives freeze BIOS

Laptop: Acer aspire A515-56 Debian Release: 12.4.0 Mint release: 21.2 System BIOS version: v1.12 Flashing method: Balena etcher on kali workstation PS. It says BIOS version, but UEFI boot is the only ...
Anthony Periandri's user avatar
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0 answers
50 views

Unable to add UEFI entry on my HP laptop

Ever since I have removed Ubuntu from my HP 15s-eq247ng Laptop and installed Debian on it, I had issues with the boot entries. It had kept the Ubuntu entries in the beginning until one day I must've ...
Bimi124's user avatar
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1 answer
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How to install any linux on acer aspire a515-48m which refuses to boot any live linux usb past grub (amd ryzen 5 cpu)?

Using a live linux iso made with unetbootin, the aspire a515-48m gets as far as the grub menu, but refuses to boot linux from grub menu, from grub command line, and from uefi shell (running the .efi ...
jmarina's user avatar
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1 answer
760 views

I am changing from CSM BIOS mode to UEFI BIOS mode. Is it safe?

I have been told by a professional that choosing uefi mode in BIOS from CSM mode in BIOS is safe. Because in device manager it says that my system is in UEFI mode, I have 2 pictures showing the boot ...
William Troncoso's user avatar
1 vote
0 answers
69 views

Where to put payload on UEFI partition for it to be processed during boot (for firmware update)?

I've found out many (most?) firmware require a reboot to be updated and the way it works is new firmware data is put on UEFI partition (I've got an error of ~ "cannot find UEFI partition" ...
Alex Martian's user avatar
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0 answers
128 views

About updating the UEFI /BIOS on an ASUS ROG MAXIMUS XIII HERO

I am having issues with games crashing and my computer randomly blue-screening. The following is the build: Not listed here is the PSU, which is 950 watts, windows and gfx drivers are up-to-date. I ...
Anders's user avatar
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1 answer
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How can I have a "main" bootloader, on the first partition? (UEFI)

I tried dual booting Windows and Xubuntu using a different approach. (It worked, but it wasn't the best) Instead of doing what I belive most people do, which is replacing the Windows bootloader with ...
THE_PERSON4204's user avatar
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0 answers
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ASUS Laptop Move from HDD to SSD with original windows 7 and OEM Partition

my laptop: ASUS; Windows 7 Home edition sp1 2009 original; 25 GB partition for Windows OEM for factory recovery; MBR 700GB HDD Drive. HDD has bad sectors: over 40KB per partition. But Windows ...
cr re's user avatar
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0 votes
1 answer
708 views

SSD appears in UEFI BIOS but won't boot

I have a PC with an Asus ROG Strix B350-F Gaming Motherboard with a Ryzen 5 2600 processor. I have a 1TB Samsung NvME SSD on this PC (where Windows 10 is installed) along with a 250GB SATA SSD for ...
Vikram's user avatar
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1 vote
1 answer
80 views

Dell BIOS, different boot entry after Auto-On-Time event

I want to make use of the Auto-On-Time feature in my Dell Latitude E7250. This feature sets the time of day when the system will turn on automatically. Is it possible to mod the BIOS to allow it to ...
mopalinski's user avatar
1 vote
1 answer
9k views

Update AMI American Megatrends BIOS via EFI/UEFI firmware shell

I have found an used gigabyte brixx nuc style pc and wanted to try to update it's bios for testing, because some other versions has been released. The device hasn't a direct flash utility inside so I ...
user3450548's user avatar
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1 answer
263 views

How to get into UEFI BIOS if flash screen does no longer show & default keypress no longer works?

To prepare a PC for an upgrade from Win 10 to Win 11 and making triple-booting into Linux and Haiku easier, I switched the partitioning scheme of the boot drive from MBR to GPT. This worked fine. Then ...
Lunovus's user avatar
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Why is my TPM bugged? If I enable checks on PCR 8,9,10, it ALWAYS asks for decryption password even if it shouldn't

I've also checked with systemd-analyze pcrs if PCRs are the same at every reboot, and they are. Only at first reboot I don't know why the only PCRs that change are 8,9,10 lol(I don't know why)... but ...
Allexj's user avatar
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0 answers
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Why the TPM PCRs does not consider a UEFI settings change? If someone resets CMOS, it's undetected

In my laptop I've set up a bios pw when I power on the laptop, and once I enter it the laptop starts my linux distro and decrypts the disk without asking any other password. To do this I've set up TPM ...
Allexj's user avatar
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22 votes
2 answers
9k views

Why don't PC makers lock the bootloader? [closed]

Mobile phone makers always lock their device's bootloader - that is, they prevent you from getting root access to your device, or uninstalling the default operating system and installing something ...
Felix Fourcolor's user avatar
0 votes
1 answer
239 views

Removing Standalone Windows UEFI Boot Entry

In short, Windows creates its own boot entry in UEFI. In my case this is not good because I wanted to have a single entry that takes me directly to my GRUB (where I can also start Windows) and I ...
rhuanpk's user avatar
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