Questions tagged [uefi]

Questions about the Unified Extensible Firmware Interface that finally replaced the BIOS on newer desktops and laptops with the release of Windows 8. UEFI is independent from CPU architectures and supports booting via UEFI with and without secure boot enabled as well as legacy booting via CSM.

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Can't access grub menu no matter what I try | Ubuntu 22.04 | EFI boot

I wanna access the grub menu so I can play around with kernel parameters and have them be temporary per boot. My system is EFI so I tried holding Esc at boot. When I do, it gets frozen at the Lenovo ...
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recently i switched to ubuntu but the boot screen shows an err

Could not create Moklistrt: no response Could not create Moklistxrt: no response Import_mok_state(): no response after this error does not initialize The same error occurred in mint so I decided to ...
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How to get rid of a BIOS/UEFI viruses? [closed]

Would a full disk format and reinstalling OS solve the problem? Like, installing linux?
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Was asked to create efi partition as well as bios grub partition while manually formatting whole drive in Ubuntu 22.04 installation. Is it normal?

I was running Windows 10 fresh on my pc. It was a uefi system (i think but long ago i turned secure boot off and turned on legacy bios mode in my bios settings.) I had installed and removed and ...
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Windows 10 is corrupting UEFI Ubuntu grub boot entry

Background: Dual boot system, with Ubuntu 20.4.4 and Windows 10 Motherboard: Tomahawk B450 Max Storage: NVME 1TB ssd - split between Ubuntu and Windows CPU: AMD Ryzen 3600 Memory: ...
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UEFI boot and different OVMF firmware files when building a VM

What is the difference between the UEFI/OVMF firmwares available in Ubuntu 22.04? Which should I use when building general purpose Windows and Linux VMs in QEMU/KVM with UEFI & Secure Boot? ...
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Laptop only boots to BIOS screen after I attempted to set an older kernel version as default

Let me preface this by saying I am new to this area of computer science. I will be saying BIOS a lot in this post, but I am not sure if I am using it correctly or if I actually mean UEFI. I have a ...
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Ubuntu won’t load

My laptop only had Ubuntu installed, but I tried to install popOS alongside it and now Ubuntu won’t launch. Now, whenever I try to run Ubuntu I get this error. clean, 552599/6111232 files, 7119295/...
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Windows 11 changes UEFI boot order every time [closed]

NOTE: I'm actually dual booting Win11 and Fedora 35, but the best fixes to this problem I found in the question "Windows 10 changes UEFI boot order every time" posted 5 years ago, so I ...
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setting up ubuntu (22.04) dual boot for first time

I was following the instructions of this video: https://youtu.be/QKn5U2esuRk I've got it on a pen drive with rufus, and I've got about 320GB unallocated space for it set up Was fine until I got to the ...
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Stuck at bootloop after dual boot

Situation: I'm stuck at a boot loop after trying to set up a dual boot on my Thinkpad 470 using a Rufus bootable pen drive and Ubuntu desktop LTS. Goal: Be able to boot windows. Details: I have a very ...
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With MrChromebox in UEFI mode, possible to dual boot Xubuntu with Chrome OS?

I am new to this community. I have a Chromium Os current release (12 cgpt partitions) running with MrChromebox bios in UEFI. I can increase the size of unused partitions 6 and 7 to 10+ GB total, or ...
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installing ubuntu 22 on dual boot caused a fatal error

I had a laptop with dual boot. I had windows 10 and ubuntu 18.10 installed. I was trying to install ubuntu 22 in place of ubuntu 18.10 but while installing fatal error appeared. It said that it couldn'...
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Why do I need an MSFTDATA partition on a Linux system? [duplicate]

My question is simple: Why do I need an MSFTDATA partition on a Linux system? Why is it necessary? It seems inefficient and a terrible waste of space. Can I remove it? Why or why not?
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Can’t boot into windows after dual boot Ubuntu installation

I’ve just finished the installation of Ubuntu and after it reset my laptop has just been stuck in a boot loop I can’t boot back into windows or anything else other than Ubuntu, I can only “try Ubuntu” ...
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How do I get GRUB/EFI (and root mountpoint) to default back to the NVME instead of EXT_USB_HDDs (so USBs are removeable)?

How do I get GRUB/EFI (and root mountpoint) to default back to the NVME instead of EXT_USB_HDDs (so USBs are removeable) ?? Hi. Thanks for taking some time to read through this, your thoughtfulness is ...
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When i installed Ubuntu 22.04 alongside Windows for Dual Boot all of this happened and i didn't find any solution online to my problem

Hello everyone this will be a long story. First I installed Windows 10 Enterprise LTSC, then I wanted to dual boot it with Ubuntu 22.04. I allocated free space for it then I made a bootable GPT/FAT32 ...
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GRUB menu not showing after installing Ubuntu 22.04 LTS [Dual Boot]

I have installed Windows 11 in SSD1 and then installed Ubuntu 22.04 LTS in SSD2 but on restart I couldn't see GRUB menu which allows me to switch between Windows and Ubuntu. I tried repairing boot ...
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Trying to run Windows 11 and Ubuntu 22 on a dual boot config on my new PC. But unable to get Grub menu on boot. I can't even boot into Ubuntu

I just built a new PC with a MSI Z690 Tomahawk DDR4 motherbaord and I have 3 M.2 SSDs installed. I'm using one as a windows 11 drive and I have installed Ubuntu 22 on a different SSD. But when my ...
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How to boot live distribution with secure boot enabled?

I want to try the live distribution, but I have on my laptop secure boot enabled and I can't disable it because of locked BIOS (company notebook, I can't do anything about it). Is there any way to ...
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Does Ubuntu 22.04 require a UEFI instead of a BIOS?

I am trying to install 22.04 on a couple of old machines. They each have a BIOS instead of a UEFI. Neither can boot from the USB stick I created. At boot, one of them displays the message "...
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Install Ubuntu 22.04 desktop with Software RAID(1) -> LUKS -> LVM on machine with UEFI

I try made a super-duper hiper-secure configuration with: Software RAID(1) -> LUKS -> LVM To do this I have 2 physical SSD drive (Crucial MX500). I'll following along instructions available here:...
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Unable to install new operating systen on chromebook

I forgot what happened to my chromebook, it's an old one that's got a lotta sentimental value to it and it does not boot anything. If I plug in my USB with any OS on it it will just boot into what I ...
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Cloned Ubuntu to new external USB Drive. Boot only works if hitting F12 and select ubuntu uefi

I've successfully cloned (clonezilla) my UEFI Ubuntu Installation (internal HDD SATA) to an external USB Drive. After that i removed the internal drive. The usb drive should be the new booting drive. ...
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Grub menu not showing everytime

I am using Windows 11. Recently for my needs, I installed Ubuntu 20.04 LTS in my laptop alongside Windows 11. It was working fine. But I saw updated 22.04 LTS version. So, I downloaded this version ...
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Number of boot entries are increasing with every boot ubuntu

I recently installed ubuntu on a portable hard disk using these steps: https://www.58bits.com/blog/2020/02/28/how-create-truly-portable-ubuntu-installation-external-usb-hdd-or-ssd?page=%2C0 The ...
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Can not boot Ubuntu 22.04, dual boot installation, no GRUB loader

good people, I am trying to dual boot Windows 10 and latest LTS Ubuntu (22.04 Jammy Jellyfish), first time installation was sucesuful on second drive, but when restarted it did not show bootloader ...
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create custom Ubuntu 22.04 live server iso

This is a follow up question to Ubuntu 22.04 build ISO (Both: MBR and EFI ) . Unfortunately I don't have the reputation score to make comments on the original. I, too, create modified iso images for ...
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Shrinking the root Linux partition from the left on dual boot: Will I be able to boot after?

I have a dual boot setup with Windows and Ubuntu, as seen in the image. My Windows basic data partition runs full, so I want to shrink the Linux ext4 / partition by moving it's left end to the right ...
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How to remove a position from efi boot list

I have a HP 255 laptop and apparently one of the features it is missing is the ability to change boot order. Any time I make Ubuntu first it moves it back to second. So on this new laptop I formatted ...
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What options should I choose with my specs to install Ubuntu with Windows?

Sorry, I'm new to Linux. I am trying to make Ubuntu dual boot with Windows 10. I have MBR SSD, legacy BIOS, and I get EFI partition not found error during Ubuntu installation. I made 60 GB of free ...
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Every time I come back from Windows, Ubuntu goes into emergency mode

surely you have seen my last question from Emergency mode in the end i couldn't start fix the problem. I actually get emergency mode when I enter Ubuntu when I reboot from Windows 11 the truth is that ...
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How to make GRUB boot for both UEFI and Legacy on a portable Ubuntu install?

as per the title, I want to see how I can make GRUB boot both UEFI and Legacy modes, as I'm currently working on a portable install of Ubuntu on a portable SSD drive I bought. I do have a Legacy ...
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After upgrading to 22.04, laptop directly boots Windows 11 with and error message on Lenovo Logo screen

Issue: During boot I get some error messages and then the laptop boots to Windows 11. I am using a system which has UEFI with secure boot on. Error Message: Failed to open \EFI\ubuntu\grubx64.efi - ...
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Ubuntu 22.04 build ISO (Both: MBR and EFI )

In our company we use a modified Ubuntu installation ISO image. Since Ubuntu 22.04 has changed the structure of the installation image (ISOLINUX has been removed, in favor of GRUB2), I would need ...
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How to change Windows bootmgr path if it's stuck with shimx64.efi?

This problem directly refers to the other question, but with some extra details: Failed to open \EFI\UBUNTU\*garbled* - Invalid parameter Also, I didn't find any real working answer out there and I'm ...
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I need help installing encrypted Ubuntu on USB

I want to make a USB that is encrypted and has Ubuntu OS installed on it. I tried many different ways, but this is how far I came.  I found this post: Installing Ubuntu on a LUKS encrypted USB thumb ...
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How to delete GRUB from the wrong drive?

I have 2 SSDs: 500GB SSD splitted to 250GB of Windows 10 and 250GB of Ubuntu 20.04 The other 250GB SSD is only Windows 10. I installed Ubuntu 20.04 and the GRUB was somehow installed on the wrong ...
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How to repair the EFI partition of my disk?

I have an Intel NUC (NUC10i7FNH2) with a NVME M2 disk. I installed Ubuntu 20.04 on it from a USB key. Everything works fine for quite some time but suddenly the PC crashed. It only runs a simple ...
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Unable to boot into Ubuntu after Windows - Ubuntu dual boot

I have installed windows 8.1 and Ubuntu 18.x Its version on my laptop at dual boot.. The installation was successful but when booted the system directly boots into windows 8.1 But when I enter boot ...
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After dual booting windows on my ubuntu machine, I cant access ubuntu (stuck at grub2/initramfs)

I tried to dual boot windows to my 20.04 ubuntu machine. After successfully installing windows I found I can no longer access ubuntu. The state right now: I enter the bios and choose the ubuntu boot. ...
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Install Ubuntu 20.04 along side windows 10 - fail. Forcing Windows 10 To be UEFI

I'm trying to dua boot my laptop (Lenovo thinkPad i7). first I installed Windows 10, on a 100GB partion. left 400GB for later install ubuntu. when installing Ubuntu 20.04, as shown in many manuals/ ...
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I deleted the partitions on windows disc manager to remove Ubuntu

I deleted the partitions on the windows disc manager to remove ubuntu from dual boot. First time I restarted the PC, grub opened on switching on the PC.I typed exit and windows opened. I then did some ...
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How to Install Ubuntu on a Lenovo MIIX 300-10IBY

I own a Lenovo MIIX 300-10IBY 2in1 laptop. It came with windows 10 that nowadays barely works. I decided on installing some distribution of Linux, maybe ubuntu or lubuntu. The problem is that despite ...
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installing Ubuntu 21.10 on legacy BIOS only system

I have non-UEFI machine, with single SSD drive, without other OS on it and want to install Ubuntu 21.10 on it, via ISO image written on USB stick and via ubiquity, but without success. On first boot ...
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I think I deleted boot files, but I restored with back up. Does it still affect my computer?

I was trying to mount my Raspberry pi pico as USB mass storage device (this is what I thought that I'm doing) manually on Terminal, using the commands - $ sudo mkdir -p /mnt/pico $ sudo mount /dev/...
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What is the correct type and size for a boot partition for BIOS?

About Ubuntu installation: it for either Desktop or Server environments for a hard disk based on either HDD or SSD For a latest PC or laptop based with UEFI for boot purposes is recommended define /...
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Unable to install Ubuntu 20.04 dual boot in UEFI mode

I have an issue installing Ubuntu 20.04 on my Dell XPS 15 9550. Here are my actions: Created a boot drive using Rufus in MBR mode Disabled Intel Rapid Storage controller Chose my USB stick from UEFI ...
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Dual Boot (Win10 & Ubuntu20.04) on 2 Hard drives - Grub problem

I have some problems setting up a dual boot between Win10 and Ubuntu20.04. To be specific, it seems the bootloader grub doesn't find my second hard drive. Note: I've added some pictures at the bottom. ...
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How to boot to Ubuntu live USB from Ubuntu desktop? (b/c splash logo, BIOS, and Windows OS all crashed on me)

I have a desktop that had Win10 and Ubuntu20.04 dual booted on it, everything was happy for a while, then the splash logo, ability to go to boot settings or BIOS, or boot into Windows all went away. ...
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