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.
5,328
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How boot EFI rather than from MBR
I was forced to reinstall Ubuntu, wiping out a lot of engineering programs and data because a Windows-10 update deleted and overwrote my Xubuntu partition. Computer was duel boot: Windows-10, XUbuntu ...
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1
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33
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Enabling propriety driver doesn't work
When I enable a proprietary driver (NVidia), I'm asked to enter a password for UEFI Secure Boot that it say I will needed to enter again on reboot, but when I reboot it doesn't ask for anything and I ...
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1
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389
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Dual Boot Not Working on HP Envy Laptop
This question is related to dual booting of windows and ubuntu 20.04 on separate hdd in the same laptop. I have been using ubuntu 20.04 on a very old stand alone desktop tower which has finally ...
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1
answer
661
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Warning. Boot script table modified!!! Please contact vendor. (Lenovo BIOS Issue)
I installed Ubuntu and removed Windows 10 from my Lenovo G50-45. Every time I click on "suspend", the screen goes blank and the text appears in yellow:
Warning. Boot script table modified!!!
It ...
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306
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How do I sign public and private keys for installing a driver?
I am trying to use a Huion H640P graphics tablet to use with my machine that has Ubuntu 21.04 installed.
Surprisingly, the tablet works without any driver installation with Kubuntu 20.04.02 LTS, but ...
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1
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364
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SSD- Ubuntu 20.04 kernel panic mode on the 5th day,
'# <file system> <mount point> <type> <options> <dump> <pass>'
'# / was on /dev/nvme1n1p2 during installation'
'UUID=dcf15593-4afa-4381-8d3f-7be280b0d955 /...
3
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1
answer
580
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Boot problem: always boot into the grub command line instead of the grub menu
Could someone help me with this problem, please?
I have ubuntu + win10 installed, and win10 can be booted just fine. When I choose to boot into ubuntu the loader always goes to the grub command line.
...
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59
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How can I dual boot with specific BIOS settings for each OS?
I dual boot Windows 10 on my laptop using GRUB2 and GRUB Customizer. I have a laptop with two GPU's and a "Hybrid Mode" setting in the BIOS. I want to have the option of booting with Hybrid ...
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1
answer
224
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Replacing Windows 10 disk in UEFI dual boot setup
I successfully followed user613363's recipe to this question to set up a dual-boot system with Windows 10 and Ubuntu 18.04. Now, I need to move my Windows 10 installation to an SSD (replacing the ...
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0
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820
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Move Linux installation to another machine (UEFI)
I'm using a UEFI installation of Ubuntu 21.04. I have to change my laptop to another one with very similar configuration. I do not want to reinstall the OS because it may be time consuming to set ...
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302
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VirtualBox installation asked me a password with UEFI system
I use Ubuntu Studio 20.04.2 LTS inside 2 desktop computers and 1 laptop computer.
The laptop is an UEFI Ubuntu Studio system.
I installed Oracle VirtualBox 6.1 in all my machines, but... In the laptop,...
2
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1
answer
1k
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Can't boot into UEFI mode on live Kubuntu usb
I have a Dell Inspiron 15 7000 series laptop with Windows 10 on it and I am trying to install Kubuntu 20.04.2 LTS alongside it. I had setup a live USB using Rufus, made all the partitions through ...
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5
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Is it possible to boot Ubuntu using the Windows bootloader?
As noted by many people, Windows 8's UEFI requirements might will won't get in the way of installing Linux (or whatever), as the replacement bootloader will also need to be signed somehow. Some ...
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0
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421
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Reinstalling Ubuntu the installer doesn't recognize the EFI partition
I'm quite new to Linux and when I have done an update on the Ubuntu 21.04 Hirsute Hippo, on restarting the system hasn't worked anymore. As I am not an expert I've thought that the most ...
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1
answer
511
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How to dual boot using two EFI partition in same disk?
~$ lsblk -f
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINT
sda
├─sda1 ...
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1
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104
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How do I set grub2 to boot last selected os on uefi system ubuntu 20.04
I just built a uefi system. I guess what I need to know does uefi have anything to do with this, and
if it does is there a different way to set last OS. If it does not matter then I have a different ...
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1k
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UEFI without secure boot
I'm not new to Ubuntu (have been running linux since the 90's) but now that I'll upgrade my computer to a new one again I'm wondering a bit about UEFI and Legacy boot.
On the whole, it seems that it ...
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2
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what ubuntu source version should I use to add some debug prints? (for ubuntu boot-up debug)
I'm trying to install ubuntu 20.04 on my virtual machine (using qemu-5.1.0).
This virtual machine is based on arm/virt machine from qemu and I added a peripheral device and changed the address map ...
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1
answer
3k
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My computer won't boot up correctly after editing BIOS
I have a Toshiba c55 i5 with Ubuntu installed. I was looking in the BIOS and I made a change from boot mode UEFI to the other mode "OCM " or " OSM ". Now when I turn on my computer, I get this error ...
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319
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GRUB Menu not visible after firmware update on Windows10
A few days back, Windows prompted a firmware update, and after the update, my laptop directly boots into Windows10, and GRUB Menu has gone.
To fix this, I changed the boot order in BIOS to Ubuntu ...
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1
answer
888
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Install 64-bit Kubuntu on 32-bit UEFI system
I have 2-in-1 laptop with Windows (32 bit) and 32 bit UEFI, what doesn't allow me to boot in legacy mode. In that laptop there is Intel Atom x5-z8300 (64 bit) and 2 GB of ram. I want to install (maybe ...
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1
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Ubuntu 20.04 / 21.04 stuck in grub after encryption
SOLUTION:
The problem originates from large initrd.img files (~100MB) generated with MODULES=most that can't be loaded due to size limitations. This can be solved by switching to MODULES=dep which ...
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1
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433
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Unable to boot from Ubuntu 20.04.02 live usb
I have Dell XPS 9500 and I am unable to boot from live-usb created via Rufus (or via regular 7z x ) whatever partition option I choose (MBR/GPT) neither disabling secure boot seem to work. I have an ...
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Dual boot installation of Ubuntu 18.04.5 goes to grub commandline
I have a somewhat convoluted setup with windows initially being installed on my pc. I put in a new nvme ssd onto which I attempted to install Ubuntu 18.04.5. My PC is set to use UEFI boot.
After some ...
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1
answer
663
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How do I dual boot install Ubuntu without a USB drive or CD/DVD?
I have a UEFI device with no USB flash drive or CD/DVD. Very much new to ubuntu so unsure what to do. Any suggestions would be helpful.
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67
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Dual boot issues - same disk Windows and Ubuntu
I've been researching for hours on how to fix my problem, and have just decided it is probably best for me to just restart the process using what's recommended to me. I'm well aware that there are ...
2
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3
answers
303
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cloned Ubuntu 20.10 installation on same hardware fails at boot
I have more than 100 units of the same HW I need to prepare for our product delivery.
All of them are the very same HW (celeron N platform, 32GB SSD) and come with a standard Ubuntu 20.10 installation ...
10
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9
answers
160k
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Install Ubuntu in UEFI mode (unable to boot from USB)
I recently bought a Dell Inspiron 15R SE with Windows 8 (64 bit) pre-installed (UEFI supported). I want to install Ubuntu in dual boot with Windows 8. I tried to follow all these instruction and these ...
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0
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539
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Unable to repair grub on dual boot Ubuntu 20.04 with Windows 10
Something went wrong with my dual boot system with Ubuntu 20.04 and windows 10. I have windows in installed on SSD and Ubuntu on HDD. It started to give me a black screen on boot with no ubuntu logo/...
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398
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Cannot access BIOS in Ubuntu 18.04.5 LTS since kernel update
Very recently my BIOS option is not accessible during the boot.
I checked the solution of Adriaan here but I'm puzzled.
(base) user@machine:~$ grep -e "^menuentry " /boot/grub/grub.cfg
...
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0
answers
111
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The selected boot device failed Windows 10
I am trying to install Ubuntu on my Windows 10. I was following these steps. My computer uses UEFI as BIOS mode as described here. I have downloaded ISO image and created a live USB of Ubuntu. I have ...
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2
answers
4k
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The best way to fix the GRUB EFI boot loader folder to the right FAT32 boot partition in Multi SSD/NVMe OSes installed?
As the picture below, in the past I have installed few times the Ubuntu for differetn testing. But in the last Ubuntu OS installation on my new SSD, I devided the partition for my needs and created ...
1
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0
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37
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Ubuntu 20.04 boots slowly after regular update; boot and efi partition appear on toolbar and Nautilus left menu; files load slowly into editor
Apparently after todays system update, Ubuntu 20.04 boots slowly.
Other effects are that boot and efi partitions appear on system toolbar and Nautilus left menu.
Also files load slowly into editor.
...
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1
answer
2k
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Stuck in motherboard logo screen forever, can't access UEFI or Grub2
I just updated some packages that was push to me by Update. After updating, I was asked to restart my system. Thereafter, on reboot I am stuck in the motherboard logo screen. Pressing F2 or Del to ...
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0
answers
564
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Ubuntu install on Asus UEFI network not working
I did a complete wipe of my windows 8 and replaced it with Ubuntu (ASUS V500CA-BB31T). When I boot into Ubuntu none of the networking works, not even the Ethernet cable is recognized.
When installing,...
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Where is the grub on this dual boot?
I just made a dual boot on my PC.
I had the windows previously installed on a 512G ssd and installed ubuntu on a 2T HD.
After a little of reseach (I'm a very begginer) I did the normal installation of ...
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0
answers
38
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The installer error: faulty hard risk ... old and need replacement
I attempted several times to install Ubuntu 20.04.2.0 from bootable USB stick. I am installing on a 10 years old but powerful Dell PC. Based on issues and researches, I have done the following changes:...
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0
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37
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Problems installing and booting to ubuntu
Hardware:
msi meg ace x570 mobo, newest bios flashed,
ryzen 5950x,
2 adaptec 71600 sas controllers,
x1 version of the asus gt710,
240gb kingston ssd, will be 30 more samsung drives on the adaptecs ...
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1
answer
317
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Installing ubuntu 18.04 without turning off the RST
laptop={gpu: NVIDA RTX 3060, CPU: i7, RAM: 32GB, EFI, RST: enabled}
I have the RST enabled on my lap-top and already know how to safely change it to AHCI but I don't want to do that! Mainly because it ...
0
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0
answers
295
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Dual booting Windows 10 and Ubuntu 20.04 causes bootloop until BIOS goes into failed boot mode
I have been running a dual boot Windows 10 and Ubuntu 20.04 for about a month now. 9/10 times I boot the PC I have no problems and I am presented with the grub menu after I see my BIOS logo screen. ...
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1
answer
213
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GRUB and boot-repair An error occurred during the repair. Data missing
I have a laptop with four drives. One drive (encrypted) for Ubuntu, one for windows, and 2 for storage. I recently installed windows after having my Ubuntu setup and working. After the windows 10 ...
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673
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Grub menu not showing on startup
I have dual booted my HP Pavilion g6 Notebook PC with Ubuntu 20.04 LTS alongside Windows 10.
Whenever I restart my PC, it is directly loading into Windows by default without showing the grub menu. Now ...
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1
answer
1k
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Why does Ubuntu Server installer create separate /boot and /boot/efi partitions? Is /boot on a separate partition optional?
I am installing Ubuntu Server, and I noticed that the guided lvm process will create a 512MB /boot/efi fat32 partition as well as a 1GB /boot ext4 partition. The rest of the HDD is then given to LVM ...
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0
answers
23
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Windows on M.2 cannot be booted to
I just recently installed Ubuntu on a new 480gb SSD. I had Windows 10 installed previously on an M.2 ssd that is still connected to the PC. I was planning on dual booting and using grub to select ...
1
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0
answers
70
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My Dell Laptop starting in boot menu after My failled attempt to install Ubuntu and also I am not able to boot into windows 10
I wanted to use Ubuntu. So I came across a way of using Ubuntu with a bootable USB Stick without installing it and I did that. It worked fine till now.
I enjoyed it so I thought why not Install it ...
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1
answer
921
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Ubuntu dual boot installation in Acer Aspire boots straight to windows 10, no EFI file found
I installed ubuntu 20.04 in a new Acer Aspire laptop. After installation, I restarted the computer which boots straight to windows. I have seen several solutions that require restarting the computer, ...
0
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1
answer
1k
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Unable to install Ubuntu (Black Screen) (UEFI)
I've recently been trying to install Ubuntu 20.4 onto a Windows 10 machine with Dual Boot and ran into some issues I couldn't resolve.
After struggling around a bit, I found out that Ubuntu was ...
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1
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122
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Ubuntu System BootOrder not found on Acer Aspire F5-573
I have had Ubuntu system on my machine for a year now, all working perfectly. Today when I wanted to access Ubuntu I got the following message:
System BootOrder not found. Initializing defaults. ...
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0
answers
1k
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ACPI BIOS Error (Bug) on Dell XPS 8940
Latest BIOS for the Dell XPS 8940 and I am on Ubuntu 20.04. The following messages are shown in dmesg:
[ 8.663080] ACPI Warning: \_SB.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer],...
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0
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156
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Kernel Panic After apr upgrade
We are having issue install the ubuntu server 18.04.4 version in some workstation, or basically after the installation process. We are using the Server version to set a raid1(Software) Partition for ...