Questions tagged [uefi]
For questions about the Unified Extensible Firmware Interface, commonly used in later x86 computers as a replacement of BIOS, as well as in ARM servers and more. UEFI supports booting with and without Secure Boot enabled and legacy booting via CSM.
5,324
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How can I setup a dual boot of Ubuntu 22.04 and Windows 7?
Sorry if this question has already been answered, but there is a lot of information online and I am not sure what to do.
What I want, is a system where I can boot into Ubuntu or Windows from my ...
0
votes
0
answers
80
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I am struggling to dual boot Ubuntu 22.04 with Windows 10
I am currently running windows 10 on an HP Envy Laptop. I have partitioned 64GB of hard disk space to install Ubuntu 22.04. I can successfully access Ubuntu installation from USB and supposedly ...
0
votes
1
answer
454
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converting MBR disk with UEFI boot to GPT
I have a MBR disk which I want to convert to GPT without losing my data and OSs (ubuntu and Manjaro)
(my boot is UEFI not BIOS)
this is my fdisk -l /dev/sdb output :
Disk /dev/sdb: 931.51 GiB, ...
0
votes
0
answers
207
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Dual booting on Lenovo X270 with Windows 11 which has taken 3 primary partitions but is missing the efi boot partition
I am trying to set up dual booting on Lenovo X270 with Windows 11. I previously have installed 22.04 on this X270 machine.I have 22.04 on the USB stick. This F12s perfectly on the target machine.
I go ...
0
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1
answer
188
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Both Windows and Ubuntu not booting up - stuck in "Missing Operating System" and bios
Sorry in advanced - this is going to be long but i really need help.
My problem: My PC is not booting to either Ubuntu or Windows 10 and is stuck showing "Missing Operating system" and going ...
0
votes
1
answer
512
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Cannot boot Linux with Windows (nothing works)
I konw I know. Probably the 1000th post about this but I really feel like I have tried everything.
Grub2Win, BootRepair. Manually reinstalling grub from live usb stick.. Nothing.
So A while ago I had ...
1
vote
1
answer
199
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Install windows from Ubuntu, could not prepare computer to boot
I'm currently running Ubuntu 22.04.2 LTS I am trying to install Windows on the the same hard drive without wiping my linux partition.
I have created both a windows 11 and a windows 10 bootable USB. ...
0
votes
1
answer
373
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Error code 0xc0000225
I used to dual boot Windows 10 with Ubuntu 20.04 back then and it works flawlessly. But recently when I tried to dual boot Windows 10 with Ubuntu 22.04 I got an error code 0xc0000225 1. This error ...
0
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1
answer
636
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Wht does efibootmgr not see all bootable partitions
I am a distro hopper. So I have a lot of boot OS's on my computer.They are all Ubuntu based. I have installed efibootmge on a Ubuntu 20.04.5 and Ubuntu 22.10. But in both OS's the efibootmgr only ...
0
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0
answers
2k
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I can not Install Ubuntu in my Samsung Galaxy Book Go
I got a Samsung Galaxy Book Go. I'm attempting to install Ubuntu, but the system startup screen installation never loads. It just run the options when I boot it and when I select install doesn't run.
...
20
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4
answers
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Verification failed: (0x1A) Security Violation while installing Ubuntu
I'm trying to install Ubuntu 22.04.1 via a USB drive, but when I want to boot the USB drive when the secure boot is enabled, I get the error Verification failed:(0x1A) Security Violation.
I need the ...
1
vote
1
answer
2k
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Install ubuntu dual boot on older mac mini (2014)
Been trying to install 22.04 as dual boot on my old mac mini from 2014. So far I have:
created a bootable usb
installed rEFInd on the mac
divided the main disk into 250 GB for mac and 250 GB is ...
7
votes
2
answers
10k
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Signing Virtualbox modules with EFI Secure Boot enabled
I have a system (22.04.1 LTS) with an Nvidia card and with EFI secure boot enabled.
Virtualbox refuses to run a VM and claims that
if the system has EFI Secure Boot enabled you may also need to sign ...
0
votes
1
answer
275
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Cannot install Ubuntu on a HP Envy 2-in-1 laptop (model 13-baXXXX)
I have trawled though numerous posts around issues installing Ubuntu on my Hp Envy laptop. Unfortunately, seems nobody has been able to do it so far. P.S I have tried almost everything on BIOS such as ...
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0
answers
66
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Where is efi files after installation without EPS partition?
I have it to fast and the default ubuntu-22.04.1-server installed.
Booting is good. I've read before that ESP is required as standard. Now, i will try to found efi's files...
Does anyone have any ...
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0
answers
121
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Accidentally deleted EFI boot partition and reinstalled it can't boot into windows now
So I accidentally deleted EFI partition I created it again with Linux but now I am just unable to boot into Windows even when I try to change boot order or trying to manually select it in boot menu.
...
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2
answers
83
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I was trying to get HDMI to work and broke the video drivers that broke UEFI and I can't get back to where I was and I can't install any updates
I have a ConceptD that has only Ubuntu 22.04 on it I was trying to get HDMI working so I "fooled" with the video drivers. That caused some sort of UEFI error and I rebooted and skipped MOK ...
0
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1
answer
331
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How to restore my lost home, documents, programs and settings after reinstalling Ubuntu 20.04?
Ubuntu newbie here looking for help please to restore my lost /home, programs and settings, which is now in a state like a fresh first time install of Ubuntu, i.e. all my old documents, pictures and ...
0
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0
answers
35
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What is the best way to add memtest86 version 10.1.009 to Ubuntu Live or Ubuntu desktop so that it boots across five different computers
I have been having problems consistently that the grub-install phase fails during installation of the Ubuntu 20.4 LTS. Also if I copy the downloaded image directly to disk without a USB interface ...
0
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0
answers
37
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Can't boot into GRUB/Ubuntu after reinstalling Windows on my second SSD
I have 2 SSDs in my system
one with 1TB - installed Windows 10 Pro on it
one with 240GB - installed Ubuntu 22.04 on it
I was able to select the 240GB SSD as my 1st boot priority so GRUB always came ...
2
votes
0
answers
62
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emergency mode in ubuntu
There was a problem with my laptop. It was necessary to remove Matlab in order to install a new one and it was not removed, so I removed it through the unlocker, rebooted the laptop, and could no ...
1
vote
0
answers
687
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Ubuntu live USB install does not detect SSD
I have a Dell Inspiron laptop with a 500GB SSD (no other drives). Windows 10 is installed, and I have shrunk the Windows partition to leave 450 GB unallocated. In BIOS the SATA disk is detected, UEFI ...
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1
answer
201
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Black screen in Ubuntu 22.04.1
I have an ASUS Prime b350m-a motherboard with BIOS version 6042, a Nvidia 710 video card and a ryzen 3 1300x processor.
I tried to install Ubuntu 22.04.1 LTS and everything is correct but when I turn ...
0
votes
1
answer
165
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Can't boot into Ubuntu; Can't Install Grub
yo. Today I installed EndeavourOS (HOLD ONTO YOUR HAT; THIS QUESTION IS ABOUT UBUNTU DON'T BAN IT), and whenever I tried starting my computer it booted into the EndeavourOS Bootloader (Grub, but ...
1
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0
answers
132
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Ubuntu installed on master SSD hard,windows 10 on slave HDD, Error when I choose windows "not a valid root device" but from boot menu they working
HP zpbook laptop,
Ubuntu 22.4 installed on master SSD hard drive,windows 10 on a slave HDD.
when I choose windows, it provides a message saying 'error: not a valid root device."
When I choose ...
0
votes
3
answers
4k
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Dual boot Ubuntu 22.04 in Legacy BIOS mode (MBR partition)
I need some help with my dual boot. It shows a black screen with error: invalid EFI file path when I try to boot Windows from the grub menu. Though the invalid EFI file path is a common problem, I ...
1
vote
1
answer
909
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Ubuntu SSD not detected as a bootable device
I recently installed ubuntu 22.10 on a SSD to use a secondary OS for my laptop (I usually run it with windows). My intention was to connect the SSD using a USB cable and boot it from BIOS or using ...
0
votes
0
answers
806
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How to repair Windows boot manager from Ubuntu
I have Windows pre-installed in PC SSD. I also installed Ubuntu alongside. But now i can not switch to Windows from ubuntu grub. I want to switch to Windows without losing previous data. How to fix ...
0
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0
answers
236
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Dual boot issues with Ubuntu 22.04
I bought a cheap refurbished laptop that had Windows 10 installed and I wanted to setup a dual boot system with the latest version of Ubuntu. I did this and it was successful installing Ubuntu and ...
0
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0
answers
121
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How do I install Ubuntu on a particular existing partition
Dell Vostro 2520 64-bit laptop
Ubuntu 22.04.1
Windows 10
wine3 (?)
This laptop dual-boots Windows and Ubuntu, and has a SATA hard disk and an optical drive. I installed a Windows *.exe file for map ...
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1
answer
124
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How do I boot a Windows installation USB? I am not able to boot a Window installation USB but I can boot any Linux distro with USB [duplicate]
I installed Ubuntu to replace Windows 11 on a new laptop, deleting all of the partitions on my hard drive.
I tried to play GTA but was unhappy with the performace so I decided to reinstall Windows. I ...
0
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0
answers
1k
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will resetting windows remove GRUB and Ubuntu
I am currently dual booting Ubuntu alongside Windows, with both installations being on the same hard drive, just different partitions, and I boot with GRUB. I want to reset windows, through settings ...
0
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0
answers
233
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Windows 11 modifies UEFI boot options after reboot
Right now I have Windows 11 installed next to Ubuntu 22.04.1 LTS on my computer (same SSD). The thing is that every time I boot Windows, UEFI boot options are modified to the following state:
...
0
votes
0
answers
2k
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How to make ubuntu 22.04 use their own efi system partition when dual boot with windows 10
When i install ubuntu 22.04 alongside windows 10, my windows 10 has its own efi partition with 100MB in size, i create 1GB efi partition for ubuntu (after i see common size for efi ubuntu is 550MB) ...
0
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0
answers
730
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ubuntu 22.04.1 require GPT parttion scheme for insttallation
i'm trying to dual boot ubuntu 22.04.1 and my windows 10 but when i try to install ubuntu it require me using GPT parttion scheme, but my windows 10 is using MBR and my BIOS running in legacy mode so ...
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1
answer
299
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Unable to boot GRUB while trying to set up dual boot configuration [closed]
I'm trying to dual boot Windows 11 and Ubuntu 21.10. I can boot into either from my UEFI settings, but when I boot into Ubuntu I get no GRUB window.
No matter what I try to do, I just can't get GRUB ...
0
votes
0
answers
394
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Cannot boot ISO of Guest OS on VMWare 17 for Linux [Ubuntu 22.04]
I posted this on VMWare communities but I didn't get a reply.
I have an Asus PRIME Z690-P D4 (Intel 500 Chipset). This M/Board will not boot in UEFI with CSM when the onbboard video is used. This is ...
0
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0
answers
569
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UEFI BIOS does not list nvme
I currently run Ubuntu 22.04 on a small ssd (sdc). I would now like to move to larger drive. Therefore I connected a nvme to the M2 port of the motherboard (Gigabyte ga-h97-d3h_f7) and installed 22.04....
0
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0
answers
287
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autoinstall ubuntu 22.04 LTS autoinstall does not work in uefi mode
I'm working on autoinstall ubuntu 22 for my company (using VMWare and PXE). It works fine with legacy configs, but not with UEFI.
I have continued the install process to the end and then get the ...
1
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0
answers
309
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grub efi luks encryption, how avoid "decrypt master key"
because I accidentally deleted the luks key slot saved in the keyfile the system (lubuntu 22.04, grub efi) started as normal with password to decrypt master key, which takes very long because of grub ...
0
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2
answers
388
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Ubuntu won't install alongside Windows 10 + broken GRUB
I've been having some problems.
First I installed Ubuntu alongside Windows 10 fine and then, after a Windows update, GRUB stopped working and I could only boot into Windows. After getting frustrated ...
0
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0
answers
335
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Not Booting after trying to re-install Ubuntu 22.04LTS
I update Ubuntu from LTS to LTS and have for years on a dual boot system now with Windows 10. The update to Ubuntu 22.04 has caused many problems including the ACPI, not closing down, unable to double-...
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0
answers
16
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I can not find my ubunto boot in BIOS after installing it o other hard drive on my system
I have recently installed an additional SSD hard drive on my katana GF66 laptop. I installed an ubuntu in the new hard drive in order to make a dual boot system with windows 10. However, I can not see ...
0
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1
answer
95
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EFI deleted pls help
I accidentally deleted efi while trying to delete windows dualboot thing and restarted.I am stuck at the bios menu I think I’m new to disk partition management. What do I do?
1
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1
answer
767
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refind bootup menu Doesn't show up
Device: HP ProBook 4540S
I installed refind for multi-boot purposes with refind-install, and also set the boot order
But there is no refind menu when I boot up
I see a grub2 menu where the fyedos ...
2
votes
2
answers
2k
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Thinkpad E14 Gen 4 not booting installer
I have recently bought a ThinkPad E14 Gen 4 with an Intel core-i7 1260P, and am trying to dual boot Ubuntu 22.04 LTS alongside Windows.
My laptop came with Windows 11 Pro preinstalled and I have not ...
0
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0
answers
800
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Ubuntu 22.04.1 installation fails on a multiboot EFI box
Been trying to install Jammy Jellyfish on my desktop without much luck. It is about 10 years old, but good enough (dual socket, 24 core, 32GB) for me. It has multiple partitions with multiple OSs (14....
0
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0
answers
7k
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Dual booting Windows 11 with Bitlocker Enabled and Ubuntu installed on separate SSD
I am trying to dual boot pre-installed windows 11 with BitLocker enabled and Ubuntu on a 2nd SSD with its own boot partition.
In my setup, I would manually partition the 2nd SSD(The one for Ubuntu) ...
0
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0
answers
126
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Unable to update "Secure Boot dbx" : no volumes of type ... (It's a different problem here)
I've got a secure boot dbx update (78->217) waiting in my Ubuntu Software app. When I try to install it, I get this error message :
" Blocked executable in the ESP, ensure that grub and shim ...
0
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2
answers
48
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Dualboot not functioning properly (GRUB not launching?)
I have Windows 10 installed on my computer, and I decided to dual-boot Ubuntu. I booted the Ubuntu 20.04.1 LTS installer from a 64-gigabyte SanDisk USB Flash Drive and proceeded through the steps of ...