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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Display bug on UEFI, grub, Linux and plugged in Windows
The bug
Hi, since a few days I have a really annoying bug: Black stripes are appearing in the top 40% of the screen and the bottom part freeze. This bug appear in Linux (Ubuntu 22.04), grub, UEFI and ...
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I can't find UEFI boot in mumy bios to enable virtualization technology
My samsung computer is not legacy it has UEFI. But in my bios, UEFI boot option is not showing. And my cpu is virtualization technology, but I can't find it in the bios to enable.
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Remote Write Protection from the Winbond UEFI Chip
I try to enable the Intel DCI on my Lenovo Thinkpad X270 (Windows 11). Because of that i use the Tool Chipsec to get the Offset for the UEFI Variables. Then i want to change them with the tool ru.efi. ...
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What is the reason for (general logic) of the PEBOOT BIOS boot table entry (or EUFI partion) on a DELL machine (BIOS setup screen)?
The BIOS setup page 'boot systems' for my Dell XPS 9320, Ubuntu variation, is driving me crazy. I disable entries for "ubuntu" and PEBOOT (uncheck the boxes) and exit setup. It looks like ...
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Change boot display in a modern laptop
I have an ASUS UP5302 laptop. A while ago it stopped displaying the boot logo and the GRUB bootloader on its integrated display, even the BIOS setup and Windows don't use it. However, it does use an ...
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Surface Pro 3 suddenly will not boot from USB
I created a bootable Ubuntu 22.04 USB stick and successfully booted from it on a Surface Pro 3. I successfully "tried" ubuntu on the Surface Pro, and then decided to go ahead and install. I ...
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Cant boot from external DVD rom
I've connected a dvd rom to USB port. But I have no dvd boot option, only windows boot manager.
What parameters should I chek?
Here are several shots of my UEFI:
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Does UEFI must have en EFI partition to boot?
I'm very confused about the UEFI terminology. I have read many pages and this is what I know: (please correct me if I'm wrong)
UEFI can boot from SATA and NVMe disks
UEFI can boot from MBR and GPT ...
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How to fix Ubuntu 22.04 UEFI boot GPT issues after simple dd clone to larger disk
I have a healthy Ubuntu 22.04 LTS installation on a 1TB SSD
It's a simple disk-- not using LVM, just two partitions: the 512 MiB EFI System Partition and the rest is one big ext4 partition for the OS ...
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Installing 32bit windows in 64bit UEFI
I have a device and a software from the 2000' that only work on 32bit windows OS. I currently have an Asus ROG GA503 that runs 64bit win11.
I wanted to run windows 7 32bit on a USB stick so that I ...
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How to disable BIOS editing while being able to boot without a password?
Is there any way to disable BIOS/UEFI editing as well as the boot menu, while still being able to boot the computer without entering a password?
I have Gigabyte B450 Aorus Elite motherboard.
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Deleted the EFI system partition and can't access UEFI menu
Let me first say that, while I would like to say I'm an experienced computer user, this was an absolute stroke of idiocy on my part.
I have a Dell G15 that has a 1 TB NVME. I wanted initially to ...
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Cloning of Ubuntu with dd does not boot or have valid EFI files
I've cloned a disk setup with ubuntu 20.04 in an encrypted partition, using dd to a larger NVME SSD. However the BIOS no longer recognises any disk in the boot manager. The old disk will boot but ...
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Multi-boot Windows, Ubuntu, Kubuntu, Arch in a UEFI system with one disk
Goals:
Multiboot, where I can select Windows, Ubuntu, Kubuntu, or Arch in the Grub menu.
I guess only one of the Linux dists (Ubuntu?) should be in charge of the Grub EFI binary.
But the different ...
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Install Windows 11,10 UEFI Setting
I have been trying to install windows 11/10 in my Laptop Acer nitro 5, Previously it had windows installed but wipe out and install ubuntu on it and now I want to install windows 10/11 againts it ...
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Notebook boots into EFI Shell, instead of booting straight to Windows
Recently I bought a MSI laptop, without Operating System.
So I Installled Windows 11 from USB Stick, and everything gone pretty much well. Also, before installing to my SSD I noticed, that there were ...
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Is there a command line way to boot into UEFI firmware?
I currently have a mini PC with a dead CMOS battery. Its got a built in/emmc install of windows 10, and a Proxmox install on a separate SSD. It'll boot into windows by default (even when I want it ...
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UEFI not showing boot entries
Basically, the Windows Boot Manager entry does not show up neither on my boot menu, or on my boot priorities.
I have encryption on my Windows (BitLocker)
On the boot menu, it's only showing all my ...
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No video output until system boots
When i start my PC I don't get any video output from my dedicated gpu (integrated works).
Specs:
VGA: Radeon RX580 sapphire nitro+
CPU: i5 3470
MBD: from Dell Optiplex 7010
Boot mode: UEFI
UEFI ...
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Boot option showing 2x HDD with same name when I only have 1x SSD installed in my notebook
I have installed Pop OS on the only SSD I have in my laptop, but when I enter boot options, I see two HDD devices with the same name - is this normal? Did encrypting the SSD during the OS installation ...
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Why does my computer say "Soft Temporary Disable" at boot after disabling Secure Boot?
I have a HP PC bought less than four years ago.
I had several annoying issues with Linux due to this "Secure Boot" junk, so I disabled it in the BIOS/UEFI settings. Then I was able to ...
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Windows 11 Intel NUC keeps corrupting EFI partition
The machine boots into a "a bootable device has not been detected" screen. When booting into the BIOS after this, I don't see the SSD recognized. At this point, I can use the Windows ...
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How can I save the BIOS CMOS or the UEFI BIOS settings of a notebook in a file and restore them if necessary? [closed]
Basic configuration settings of a PC are stored in the BIOS CMOS or in the UEFI BIOS. In DOS times there was a software called Checkit and QAPLUS, at least one of them could save the configuration of ...
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How can you adjust the contrast/gamma of both IPS and non IPS displays in the classic BIOS as well as in the UEFI BIOS?
And no, I'm not asking how to adjust contrast/gamma at the OS level. Because that can only be a bad substitute, since one would have to make a corresponding setting and partly also still needed ...
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Why are boot entries shown by efibootmgr shell different from entries in UEFI boot options?
My boot entries, as shown by efibootmgr are the following:
Boot0000* rEFInd Boot Manager ...
Boot0001* Windows Boot Manager ...
Boot0004* UEFI: SanDisk, Partition 1 ...
These same boot entries are ...
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running grub-install during arch installation gives the error "no space left on device". How can I solve this?
I'm dual booting windows 11 and arch linux (i'm installing arch right now).
I have created a single partition for /mnt (i created a swapfile in the same partition instead of creating a separate ...
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How can I make an UEFI USB tools stick?
In the past I had an BIOS (MBR) USB tool stick with a few ISO tools on it, which could be used as an emergency tool stick.
But how can I make such a USB stick with more ISOs on it for UEFI (GPT)? I do ...
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Does there exist a BIOS emulator for UEFI?
What I'm wanting to do is somehow run BIOS-only OSes on computers that do not support BIOS booting or CSM. Does there exist an efi application that I can chainload that can act as some kind of ...
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Gigabyte GA-P75-D3 Motherboard stuck on the logo screen(s), hot keys do not work
I have a relatively old machine with GA-P75-D3 Motherboard, SSD and 4 cards of RAM (I think max allowed RAM is there).
Yesterday the computer stopped turning on. When powering up, it displays a big ...
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Two Fedora installations on the same SSD - can't boot into one
I have two Fedora installations on the same SSD. We’ll refer to them as Fedora A and Fedora B. Fedora A was installed first on a 220 GB partition, and Fedora B was installed afterwards on a 260 GB ...
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RHEL + how comes EFI boot partition created when we install RHEL 7.9 version from scratch
We are using servers as DELL R630 in our lab's, when OS version is RHEL 7.9.
Here is an example from filesystem on these servers (from boot point of view):
NAME MAJ:MIN RM SIZE RO TYPE ...
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UEFI system settings are not accessible by keypress
After configuring dual-boot with 2 nvme-ssds it is impossible for me to reach the uefi system settings.
I have a manjaro drive with the grub bootloader, which is configured to also boot windows. ...
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Change UEFI Variable in Flash
I have a NAS (Synology 1817+) on which I want to run custom OS on. Thus I tried to enter the UEFI to change the boot order, only to find out through searching the internet that synology has restricted ...
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Edit OEM DMI Strings in UEFI ROM
I need to modify the OEM DMI Strings of a UEFI ROM.
I used the Phoenix BIOS Editor for doing the same thing on legacy BIOS ROMs, but now I need to modify a UEFI ROM which does not work on the Phoenix ...
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Dual Boot Assistance for Windows 11 Pro - Failing to See External USB as "Bootable Device"
I am experiencing issues with my laptop failing to read an external bootable USB as a "bootable device" when holding shift + reboot and upon entering the bootup menu.
Device Details
Lenovo ...
GangGreenTemperTatum
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Laptop stuck on boot with hard drive installed, cant access UEFI menu
whenever my SSD is installed in my laptop, all it shows is a black screen with the manufacture (Gigabyte) logo and some text for a split-second indicating some actions and their associated keys, but i ...
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How to enter BIOS menu?
Laptop Fujitsu LH532.
After an unsuccessful attempt to install Arch Linux, I cannot enter the BIOS menu of the laptop. It just beeps, power keeps being on, but it doesn't load anything and does not ...
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The difficulties of editing a BCD Store on a cloned system drive
Problem: Booting from a cloned NVME drive / EFI System Partition still boots into the old OS system drive. I want it to boot into the new drive's OS and get it assigned as C.
Context: I've rolled this ...
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How Does UEFI Display Work Without GOP and UGA?
How to image via a UEFI bootloader/OS without GOP and UGA (+CSM disable)?
I have Lenovo V570c computer without UEFI GOP and UGA. Legacy calls like INT 10 don't work when CSM is off. How then is the ...
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Lenovo ThinkBook - HDD Password : Frozen
Context:
I received a laptop from my work and then was allowed to just keep it. They asked for it back to wipe the data etc and then gave back to me.
I decided to reset it just so it's all mine.
...
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I can't boot from USB on my Asrock Steel Legend X570
I recently replaced my NVMe on my system. Before I replaced the NVMe, I used Windows Media Installer to create a bootable USB stick. Everything went perfectly. After I finished replacing NVMe, my BIOS ...
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Issue installing windows 10 on a new SSD drive
I bought a new Samsung SATA SSD and initialized it as a GPT drive. I want to use this drive to boot and run Windows 10, but have run into many issues which are way over my head.
Eventually, I fully ...
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Can i safely change my BIOS to UEFI only?
I have windows 11, and decided that i want to turn on secure boot. Problem is, my BIOS is UEFI with CSM, and not UEFI only, so i'd like to change that. As far as i know my drivers are GPT, but i'm ...
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Can't automatically load my efi driver on each system boot
I am trying to make my UEFI driver start on each boot by setting up NVRAM variables via my own program.
I've made a program that puts my uefi driver into the EFI partition on the disk and set system ...
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I Image Device All Day - And want to run multiple BIOS/UEFI environments for Training/Testing - What do wise ones?
I'm an L2 Support Tech, and as part of my daily activities, I provide assistance walking stores through reimaging their POS/Hardware systems. We mainly support six or so set units. These devices are ...
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Making a MOK-signed GRUB with extra modules
I have a Wake-on-LAN situation where I'd like GRUB to make a network request to decide "should I boot Windows?", perhaps by load_env (http,192.168.1.123)/grubenv (so I can write that file ...
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Windows: Do not change UEFI boot mode when hibernating
I am running a Lenovo T14s with UEFI dual boot. Mostly Windows 10/11 and Linux. My current workflow for fast switching is to hibernate an OS and use the boot device menu (F12) to boot/resume the other ...
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Enter UEFI Setup on Lenovo G580
I have a Lenovo G580 laptop and I attempted to install Ubuntu alongside Windows 10. However, I later decided to uninstall Ubuntu. While trying to restore the Windows boot loader, I encountered an ...
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How do I delete an old boot option that doesn't show in bcdedit?
I converted my ssd from MBR to GPT. Now in the BIOS I have 2 boot options with the same name, which is "SSD name Boot Manager". Booting into the first boot option doesn't work but the 2nd ...
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How to access advanced setup (BIOS/UEFI) on Lenovo IdeaPad 5 Pro
Does anyone know how to access advanced option in setup (BIOS/UEFI) on Lenovo IdeaPad 5 Pro?
I tried to google for it but combinations I found don't work.
I tried:
FN + all keys from Q to P, A - L, Z ...
