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 my Ubuntu still load or run without the /boot partition?
I have a dual boot computer. A couple of weeks earlier, my Ubuntu was not loading so I reformatted my Ubuntu partition. After fixing everything, my Ubuntu now works perfectly fine but now my Windows ...
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ssd not showing during ubuntu installation
i use windows in my laptop before ubuntu and windows was installed in ssd, when i remove windows completely and try to install ubuntu , during the installation process it was not showing ssd and also ...
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How to enter GRUB instead of manufacturer UEFI BIOS Utility?
I have ubuntu installed on an ASUS motherboard desktop. No dual booting. I want to boot into recovery mode.
Pressing 'esc' during boot takes me to the manufacturer BIOS:
picture of bios utility screen
...
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14
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Ubuntu Server 22.04.2 LTS installer crashing with secondary drive plugged in via USB
I have a laptop with a completely unreadable LCD panel but completely functioning internals. I had previously tried to install Ubuntu server directly onto the device using an HDMI display but UEFI did ...
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1
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security check fails. Is this OK?
Device Security Report
======================
Report details
Date generated: 2023-06-03 10:15:33
fwupd version: 1.8.12
System ...
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31
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How can I delete a specific MOK UEFI key?
Dell vostro 3400-4654 laptop with Ubuntu 20.04 out of the box. First, after the purchase, I tried to install all the necessary programs. One of them is Virtualbox. The BIOS was like from the store in ...
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21
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How can I stop the grub command line appearing on startup after deleting Ubuntu and boot directly to Windows?
I recently have deleted Ubuntu now whenever I boot the grub line command appears, I was able to boot into windows using the following commands
insmod part_gpt
insmod chain
set root=(hd0,gpt1)
...
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46
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How to manually setup Windows 10 and Ubuntu 22.04 Dual Boot under UEFI
Note: Please read the full post with due diligence before posting comments/answers or downvoting/closing this question
Premise:
I first installed Windows 10 on my notebook-PC which created the EFI ...
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Ubuntu secure boot installation problems
I've installed ubuntu 22.04 on my old laptop. Since there was secure boot enabled, in the installation I checked the "Install third-party software and drivers" and entered the password in ...
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Installing Ubuntu on 15 year old HP EliteBook 8530p - it won't boot [closed]
I like to repurpose old laptops instead of throwing them away, and in my experience they generally run Ubuntu just fine. However, I may have hit my head against a wall here.
I've installed Impish on a ...
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Looking for a better understanding of how this UEFI workaround for Sophos XG should be performed
I have found a workaround to allow Sophos XG to boot without CSM but it requires this workaround.
I don't totally understand Linux but I'm working on it. I can get the /boot to mount on sda1 but I ...
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Dell Vostro 15 3549 just won’t boot into Ubuntu 22.04.2
I installed Ubuntu 22.04.2 LTS onto the laptop using a USB stick. When I use the try Ubuntu option I can see the laptop’s SSD, with all of the Ubuntu files in it. However, when I try and boot from the ...
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Bootable USB is listed in UEFI settings but not boot menu
I have dual boot Windows 10 and Ubuntu 22.04. I want to enlarge my ubuntu partition so I created a bootable USB with ubuntu 22.04 on it, since apparently that's what you need to do. However, the USB ...
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1
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Grub menu not showing on Lenovo Thinkcentre M710t
I know this is a common topic but I haven't found a solution working for me.
On my Lenovo ThinkCentre M710t I have a dual boot Windows - Ubuntu 20.04. Since the beginning the Grub menu has never ...
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Unexpected return from initial read: Out of Recources, buffersize 0
I have dual boot of Ubuntu 22.04 and Windows 10, So I turned on my computer I got this error:
this the error image
Unexpected return from initial read: Out of Recources, buffersize 0
Failed to load ...
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29
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Ubuntu 22.04 devices failure
Having Ubuntu 22.04 as an original OS I had to enter paragon hard disk manager. After reboot an error occurred showing message about UEFI error. After paragon drive removal and reboot no network is ...
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1
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113
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Cannot boot to Windows in Dual Boot or by UEFI after Windows 11 update
I have a Dual Boot setup using Ubuntu 20.04 and Windows. Today I updated Windows 10 to Windows 11 using Windows Update and I lost my GRUB bootloader (Windows 11 was working fine).
I managed to recover ...
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Azure Ubuntu 22 LTS VM not booting after Selinux is enabled
I am trying to deploy a new Ubuntu 22LTS VM in Azure. The VM deploy works well, however when I enable Selinux and retart the machine I get the following errors:
[ 6.173474] FAT-fs (sda15): IO ...
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1
answer
26
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I can't see the GRUB Boot Manager while the disk on which Ubuntu is installed is in the first order in boot priority
I can't see the GRUB Boot Manager while the disk on which Ubuntu is installed is in the first order in boot priority, instead I see the GRUB terminal and when I enter "exit" there, my PC ...
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1
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245
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Lenovo IdeaPad 3 15ALC6 BIOS screen hangs fifteen seconds on boot
I am running Ubuntu 22.04 with the Mate desktop. Yesterday, when I returned to my desk, the laptop screen was black. I clicked the mouse, but it didn't wake up. I thought it was frozen, so I performed ...
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What directories/files are actually installed by Ubuntu in the EFI partition?
I have dual booted Windows 11 and Ubuntu 23.04 on my PC, and for some reason I want to backup the EFI partition of the boot disk (C drive). I mounted it, and saw that there are a few directories:
...
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Can anyone help me installing Ububtu 23.04 on my pc?
A little while ago I bought a Tuxedo computer, to start getting to know Linux.
Now I want to try some other distros, like Ubuntu 23.04, but I can't find a way because I'm running into problems I don't ...
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I can't access Ubuntu after iwndows 11 update
i have two partitions on my ASUS laptop, and i was using dual booting to access windows 11 or ubuntu, however, one day windows 11 decided to update, after that, with each boot, the pc would give me a ...
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40
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Out of the box signed GRUB2 for secure boot
I’m trying to create a tool which replaces Windows boot loader with GRUB2 and I’m using an UEFI computer that allowing Secure Boot (that I’m trying to keep).
I tried to copy shimx64.efi and mmx64.efi ...
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0
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16
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How to remove Windows efi entry from Grub after drive migration
I installed Windows on a new SSD and then migrated the SSD containing Ubuntu installation, to the one which had Windows previously installed on it.
The issue is that Grub still detects the old Windows ...
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32
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Erased disk with grub2
I made a install of Uuntu 22 on an other harddrive, so I could dualboot between Ubuutu 20:04LTS and Ubuntu 22:04LTS. After a while there I have a lot of problem with Ubuntu 22:04 that i did not solved,...
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62
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server installer for 22.04: can not select boot drive
I am providing an ubuntu installer from PXE boot with uefi/grub following this guide, except I have to use grub because syslinux/pxeboot doesn't run on uefi. The installer boots fine.
I the drive I ...
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46
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No boot after installation Ubuntu 22.04
After installation of Ubuntu 22.04 no success to start up linux from hard disk. I get the notification PXE-E53: no boot filename received. PXE-M0F: Exiting PXE ROM. Non-system disk or disk error
...
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why my grub and linux efi not visible, directly boots to windows
I am new to linux, tried reading other post cannot find similar situation, thank you for you help and patience in advance.
I've set up a dual-boot system with Windows 11 and Kubuntu, each installed on ...
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I'm trying to dual boot ubuntu 22.04 and win10 but it always boot up win10. If i press f9, i get to choose ubuntu so far nothing have worked for me
Win10 is preinstalled
The system is Hp 650
I've selected dev/sda, dev/sda(the partition number), windows Boot manager as the device for the bootloader installation it still boots to win10 without ...
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0
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21
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How I can keep my Ubuntu system secure
How I can keep my Ubuntu system secure. As there is no antiviruses available in this market as windows.
I started using Ubuntu on my pc and I worried about my files and browsing security (Viruses and ...
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25
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How does the file system: (Ubuntu 22.04) Read: 792,136 files [140.8 TB]? [duplicate]
While attempting to backup and copy my current stable settings from root, I ran into an issue where this popped up:
Basically I created a separate partition, (same disk) installed ubuntu onto this ...
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1
answer
89
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Boot ubuntu without boot partition
I have recently cloned the filesystem partition from an HDD to an SSD using dd. I am quite sure the cloning was successful (because I am using it), but I forgot to clone the boot partition. Since the ...
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3
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95
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How to choose BIOS priority from within Ubuntu?
My Gigabyte Aorus BIOS doesn't work because of my GPU. When I disconnect the GPU the BIOS works again.
I'm looking for an option in Ubuntu to choose the boot priorities of the BIOS.
For example, I ...
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18
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Windows not booting after running update-grub and installing ubuntu-desktop from recovery mode of ubuntu
I have a dual boot operating system on my laptop which has a Windows and a Ubuntu Installation which was working perfectly. I accidentally uninstalled python from my Ubuntu and then a lot of ...
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32
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How to automatiaclly skip grub menu?
I've installed Ubuntu 22.04 on an old Intel Mac Mini. Since I want it to be accesible remotely, I can't have it stuck at the grub menu. I tried changing the grub file and updating it, but nothing ...
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1
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102
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Unable to boot from any USB stick [ubuntu 22.04]
I am unable to boot from any USB stick on my laptop how can that be?
I decided to format my Lenovo laptop and create 2 partition and a SWAP space on my HD
I installed Ubuntu 22.04 on one of the ...
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What's --- in grub.cfg cmdline mean in ubuntu installer iso?
This is a snippet found in boot/grub/grub.cfg Ubuntu 22.04 LTS iso.
menuentry "Try or Install Ubuntu Server" {
set gfxpayload=keep
linux /casper/vmlinuz ---
initrd /casper/...
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Ubuntu Reset System loop, Boot-Loop
I installed Ubuntu on my Windows 10 computer and tried to set up dual boot, but after doing so, the message "Reset Systems" appeared in the top left corner of the screen and the computer ...
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0
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106
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Grub2 boot from iso image
I have set up a PXE boot environment using pxelinux but since I updated my motherboard's firmware, it doesn't support legacy mode anymore. So I added support for UEFI mode to my PXE setup.
I have ...
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1
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Moving Ubuntu root to a new SSD which will become the boot device
I have a Dell desktop which I bought used, at which time it was set up to dual boot Windows (on disk 0 - /dev/sda ) and Ubuntu (on disk 1 - /dev/sdb). I nuked the Windows installation and /dev/sda ...
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Linux won't start after BIOS and packages update
On my Dell HP OMEN I have dual boot for Ubuntu 22.04 and Windows 11. Three days ago I performed a BIOS update as suggested by the system. Two days ago I performed an update of the packages as ...
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How to update HP bios for Z840 including utilities and driver packs
I found directions on how to update my bios on this site by creating a usb and flashing the hp bios.bin file. However there are a number of other updates available on the HP site which I am not sure ...
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Ubuntu on external drive. The order of boot devices constantly changes
After many tries, I was able to create a fully bootable and portable Ubuntu system on an external drive. It works great, but there is one thing that bothers me.
The idea was that when I connect an ...
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1
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Ubuntu 22.04 no longer boots reliably
I have been running Ubuntu on my NUC10i7FNH system for several years with no problems. Upgraded Ubuntu to 22.04 months ago; no problems. Recently, though, booting the system results in screen flashing ...
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169
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PXE and UEFI SecureBoot
I am trying to PXE boot with SecureBoot enabled. My PXE does boot with UEFI enabled, however when enabling SecureBoot I get the error “Boot failed. EFI Network. Failed Secure Boot Verification.”
My ...
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How to bless boot partition for Ubuntu 22.04 on 2009 MacBook Pro
I have performed a full-disk install of Ubuntu 22.04 on an old MacBook Pro (MacBookPro5,2 from 2009, Core 2 Duo) machine completely wiping OS X in the process.
I'm now facing the known issue of the 30-...
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unable to update "grub" boot menu when upgrading from Ubuntu 20.04 to 22.04
I recently upgraded a Ubuntu box (a rackmount server) from 20.04 to 22.04. However, the "grub" boot menu kept listing kernel 5.4.0-40 as the default kernel entry regardless what I did - and ...
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Cannot boot Ubuntu from GRUB2 console after installing Qubes
I have a brand new laptop that came with Windows pre-installed. I managed to install Ubuntu 22.04 as dual boot which worked very well. I then added Qubes OS to the mix. Unfortunately I messed ...
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Ubuntu EFI is not removing
I recently tried to dual boot windows with ubuntu but I changed my mind and deleted the disk partition where ubuntu was installed. Now, when I use bcdedit /enum firmware, I still see the EFI Ubuntu ...
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