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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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Uefi and legacy [closed]

This true,we have same problem with uefi win10 install But problem we fix with legacy win 10 intall (dvdrom install),now shut down procedure in win 10 complite. Best regards
sergei kuzmin's user avatar
-1 votes
0 answers
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Pc can't show UEFI or BIOS after CSM support is deactivated

Recently decided to play Valorant and a compatibility error showed, then I proceed to deactivate CSM support and set the Key management to custom. I have a Gigabyte Aorus B450 elite motherboard, but ...
Ignacio Gutiérrez's user avatar
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75 views

Minisforum NAB6 lite mini pc - SSD is not detected in bios & can't make it boot from SSD (sata / m2). Why is that?

I bought a Mini PC - NAB6 lite by Minisforum (i5-12600H) Installed ram (DDR4 3200) + SSD (Samsung Evo 860) via sata cable. The ram is detected - i can see it in Bios, but the SSD is NOT detected. I ...
pulancheck1988's user avatar
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52 views

HDD Crash and Optane Memory Uninstallation

Absolute noob here, so please bear with me. My laptop was running on an HDD which was accelerated by a 16GB Optane Memory Module. A few days ago, the HDD crashed and the system now prepares for ...
Rakesh Singh's user avatar
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1 answer
51 views

Keyboard sending wrong codes for certain key combinations only to linux terminals, tried everything. So confused

I had been trying out a few different linux distros over the past few days and ended up back in Windows. I noticed that in WSL ubuntu shift-home wasn’t working properly—it would print out the letter H....
Ron Andrews's user avatar
1 vote
1 answer
878 views

Computer not booting after installing Ubuntu next to Windows

I installed Ubuntu 22.04 alongside an existing Windows 10 installation on a HP ProBook 470 G2 and let the Ubuntu installer take care of shrinking the Windows partition and rewriting the partition ...
ctenar's user avatar
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Are there any differences between different uefi vendors/implementations

I was wondering if there are any differences between the different uefi implementations of AMI, Insyde H2O and Phoenix. I've tried searching it online, but I couldn't find any other explanation than &...
Nelis_d8's user avatar
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no boot logo on windows after dual boot fedora

I dual booted fedora 39 with windows 11 the boot logo (vendor logo lenovo) during windows boot is black just the loading circle is there. But when i boot to fedora or screen before grub the logo is ...
shohel hossain's user avatar
3 votes
1 answer
350 views

How to mount and run a bootx64.efi file on Hyper-V?

I've built one of the bflat sample applications for direct running on UEFI. Now I have the boot folder and the bootx64.efi file for my application. What am I doing wrong that this application can't ...
Matin's user avatar
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2 votes
1 answer
178 views

How to boot an OS (Ubuntu) installed for a diferent (protected) PC?

Last year I bought a Samsung Galaxy Book 2 (i5 12th gen notebook). It features a different BIOS setup screen and soon I learned I was unable to run OSes installed in different machines there. I mean, ...
Bruno Lamps's user avatar
-3 votes
3 answers
806 views

What’s the point of a BIOS password?

I have realised that there is absolutely no point to having a password protecting your BIOS/UEFI menu! Here are the reasons: It is the easiest thing to “hack.” Literally. Anyone can use a jumper and a ...
Hman66's user avatar
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0 votes
1 answer
112 views

My Dell OptiPlex 990 boot is very slow and I don’t know why

I have a Dell OptiPlex 990 with good specs like an SSD, i5 2500, and 8GB RAM. The system is extremely slow when booting from a Ventoy USB flash drive to install Windows or Linux, hanging for a few ...
Andrei Chiper's user avatar
-1 votes
2 answers
1k views

Default Windows 11 partitions / partitioning scheme

Sometimes you need to partition your disk which already contains a different operating system (OS) or version of Windows thus you use Linux tools such as fdisk or gdisk to create/configure partitions ...
Artem S. Tashkinov's user avatar
-1 votes
1 answer
525 views

How to access advanced BIOS (UEFI) on Lenovo IdeaPad Slim 7 Pro

Before I start writing anything, if you have answers, please make them really clear. For example; at what point do I need to hold or release the FN key? I have tried many methods such as; -FN+R+N ...
Unholy's user avatar
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0 answers
41 views

How to alternate automatically at boot between my laptop's two installed OSes?

I have Windows 10 and Ubuntu Linux 20.04 installed into separate encrypted partitions on my Dell Latitude 5411 laptop. When I shut down one OS, it's always to boot into the other one. Linux is the ...
patraulea's user avatar
  • 411
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1 answer
289 views

What is the difference about BIOS, UEFI, Bootloader, Uboot and GRUB?

I want to better understand a few things. What is the difference about BIOS and UEFI? In PC, there is BIOS and Bootloader (such as GRUB). But why is there no BIOS in the embedded system (most often ...
lcWhhx's user avatar
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0 votes
1 answer
125 views

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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0 answers
51 views

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
  • 29
0 votes
4 answers
148 views

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 ...
user3330840's user avatar
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0 answers
83 views

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
  • 29
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0 answers
39 views

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
  • 3
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0 answers
168 views

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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0 answers
98 views

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
  • 131
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0 answers
143 views

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
  • 25
0 votes
0 answers
224 views

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
  • 101
1 vote
2 answers
285 views

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
0 votes
2 answers
762 views

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
  • 229
-2 votes
1 answer
78 views

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
  • 5
-1 votes
1 answer
117 views

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 ...
user avatar
0 votes
2 answers
141 views

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
  • 457
1 vote
1 answer
126 views

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
  • 523
0 votes
2 answers
154 views

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
  • 13
1 vote
0 answers
103 views

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
0 votes
1 answer
512 views

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
0 votes
2 answers
266 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 ...
captainron's user avatar
0 votes
1 answer
78 views

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
  • 9
1 vote
1 answer
941 views

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
1 vote
0 answers
138 views

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
0 votes
0 answers
64 views

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 ...
user avatar
0 votes
0 answers
20 views

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
  • 1,125
0 votes
0 answers
43 views

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
0 votes
1 answer
682 views

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
  • 3,516
2 votes
1 answer
272 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
1 vote
1 answer
376 views

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
0 votes
1 answer
107 views

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
  • 23
0 votes
0 answers
106 views

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
0 votes
1 answer
169 views

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
0 votes
3 answers
712 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
112 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
0 votes
0 answers
339 views

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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