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Questions tagged [boot]

Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.

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11 votes
7 answers
86k views

Can't boot from Ubuntu USB stick

I have HP G56 laptop and it originally came with Windows 7 which microsoft updated to windows 10 for free. I did clean install and so i don't have option to go back to windows 7. I want to try ...
1 vote
0 answers
62 views

can't signin to ubuntu due to sign-in loop

I am experiencing couple of errors on my ubuntu machine from the booting process to the sign in screen. My Ubuntu is in emergency mode. Whenever I bootup my machine it shows the below message You ...
0 votes
0 answers
18 views

Kernel panic - not syncing: VFS unable to mount root fs on unknown-block(0,0)

I'm experiencing a critical issue with my Ubuntu system and need some assistance. When I attempt to boot my system, I'm confronted with the following error message: Potential solution attempted: I've ...
1 vote
0 answers
48 views

Ubuntu 22.04.4 LTS error during boot

Every now and then since I installed Ubuntu 22.04.4 in a dual boot on my hp omen 15 laptop this screen appears during boot that does not let me proceed further and after waiting several minutes ...
0 votes
2 answers
4k views

Having trouble with "Initramfs unpacking failed: Decoding failed" solutions

I just build my first PC, turned it on for the first time, and attempting to install Linux Ubuntu 20.04.1 LTS from a bootable USB. As many others have had the "decoding failed" problem I ...
0 votes
1 answer
16 views

Two separate session/user/{something}

New here, might be a repetition. Not even sure of correct tag. Thanks for bearing. I have ubuntu LTS 24.04 LTS in my local machine. I want to have two separate {something} to solve my problem. I am ...
0 votes
0 answers
17 views

Just made an updated machine unbootable - trying to remove wayland usage

Background: I use VNC alot. I VNC to a lot of my other machines (VNC viewer). That is on THIS machine. I want to try some new software and didn't want to do it on THIS machine. I have another NUC (...
0 votes
0 answers
35 views

Lubuntu 24.04 boots to black screen

I've installed (by now even reinstalled) Lubuntu 24.04 and it boots pretty weirdly. Most of the time it boots into a black screen only on very rare occasions it does not. After looking around for a ...
0 votes
0 answers
20 views

Grub menu advanced options entries are cut off

My default Kernel is not working anymore with my graphic hardware. But I can succeed with an older Kernel from advanced options. Unfortunately the entries for older Kernels all look the same, so I ...
-1 votes
1 answer
125 views

Ubuntu 24.04 takes over 3 mins to boot on a 2010 MacBook Pro

Booting up Ubuntu 24.04 spends a very long time (around two minutes) while apparently detecting various USB devices. I have tried to identify the devices printed out during this slow process and ...
0 votes
0 answers
23 views

black screen after booting and i cant see login screen [duplicate]

Ubuntu version: fossa 20.04 I encountered a problem when booting Ubuntu. After seeing the line "/dev/nvme0n1p1 clean files, blocks", the screen goes blank and stays black. There's no error ...
0 votes
0 answers
40 views

Media test failure / BootDevice not found right after installing

I just installed latest Ubuntu 24.04 from a live USB and right after rebooting my laptop (HP Elitebook 840) complains saying PXE-E61: Media test failure. It then says Boot Device Not Found. This ...
0 votes
2 answers
4k views

Ubuntu on HP Zbook 15

I installed Ubuntu 16.04 LTS on a new HP ZBook 15 from a bootable USB. I have problems booting up and shutting down normally, e.g. the machine just freezes after login. As a temporary solution I ...
0 votes
2 answers
10k views

Failed to set MokListRT: out of Resources : import_mok_state()

I'm facing a huge problem with MOK manager. After a install Ubuntu 19.10, with third party drivers install enabled, I rebooted the system. On boot, MOK manager was launched normally, but accidentally ...
3 votes
2 answers
5k views

Unlocking LUKS partition with keyfile on USB does not work

I partially followed this What is /lib/cryptsetup/scripts/passdev actually doing? /etc/crypttab 2tb UUID=... /dev/disk/by-label/STICK:/logfile luks,nofail,keyscript=/lib/cryptsetup/scripts/passdev,...
-2 votes
0 answers
28 views

My Debian Only boots with USB and not from hard drive [closed]

I installed Debian alongside windows 10, at first it worked for a little bit then when I took out usb drive it doesn't boot just shut itself down. But when I plug in the usb drive it just boots ...
0 votes
1 answer
4k views

Computer doesn't detect Ubuntu after install

I spend hours and hours on google and I still have my issue. I installed Ubuntu on a USB. I boot on the USB and install it on my computer (hard drive). Windows was installed, but I did "Erase all ...
0 votes
0 answers
50 views

Ubuntu 24.04 on VMware 17 Pro gets stuck on boot screen

I installed Ubuntu 24.04 on VMware 17 Pro, however whenever I reboot it gets stuck on the following screen: [OK] Started systemd-logind.service User Login Management. [OK] Finished sysstat.service -...
2 votes
1 answer
7k views

Stuck at logo screen while booting

I have Ubuntu installed on a Gateway NV53A laptop with Windows 7 removed, and recently when I've tried to start the computer, it gets stuck at the logo screen that says "Ubuntu" with the progress bar ...
0 votes
1 answer
4k views

ima: error communicating to tpm chip but no TPM settings

Apologies as I think this may be a duplicate of How to solve "ima: error communicating to tpm chip" messages during boot But I am hoping you can help. I installed the current version of ...
3 votes
2 answers
2k views

How to clone a virtual machine (.vdi) to a physical system?

I've spent 3 weeks trying to solve this, but to no avail. I'm aware of the many posts on this topics. I've already read and tried at least: Migrate from a virtual machine (VM) to a physical system ...
0 votes
1 answer
674 views

Boot hangs at "Finished Record Runlevel Change in UTMP." on Ubuntu 22.04

So I recently have been working on installing GNOME on my Ubuntu 22.04, but during boot, it hangs at "Finished Record Runlevel Change in UTMP." How can I resolve this issue? When I installed ...
1 vote
2 answers
29k views

Disk is full and now I can't boot into Ubuntu

I was syncing photos and videos from my phone using SyncThing onto my laptop running Ubuntu 20.04.1. The local SSD (/dev/sda2) was completely full so after copying to an external hard disk drive I ...
0 votes
0 answers
19 views

grub config for newly installed grub

I have installed grub from source code compile with 2.12 latest. For this install was on plain boot and later I copied all stuff to encrypted boot. It works fine for encrypted boot except it starts ...
646 votes
24 answers
756k views

How do I free up more space in /boot?

My /boot partition is nearly full and I get a warning every time I reboot my system. I already deleted old kernel packages (linux-headers...), actually I did that to install a newer kernel version ...
0 votes
0 answers
23 views

Boot fails on Nvidia hybrid graphics

I have a Geforce GTX 960M + Intel HD Graphics 530 combo, and Ubuntu (24.04) only boots in "recovery mode". I have prime-select set to Intel but that didn't help either. I have written about ...
0 votes
0 answers
12 views

Booting into initramfs

Start computer and it only loads to a initramfs prompt. Tried reboot -f and i get to a boot screen with advanced options for ubuntu, memory test, and uefi firmware settings. I tried the advanced ...
0 votes
0 answers
30 views

Ubuntu 24.04 pauses during startup with a small "Ubuntu 24.04" + changing dots

During Ubuntu boot up it has started pausing about a minute displaying nothing but "Ubuntu 24.04" above four colored (and changing) dots. This is near the upper left-hand corner of the ...
0 votes
1 answer
45 views

Kubuntu 24.04 fresh install not loading hardware drivers properly

EDIT || FIXED : I'm terribly sorry... looks like i didn't (as i should have) double-check on Suse Tumbleweed properly as it wasn't pointing to the latest kernel yet(6.8.0-36-generic). Just updated ...
0 votes
0 answers
21 views

After upgrading Kubuntu from version 22.04 to 24.04 (kernel from 5.15 to 6.8), my Dell XPS 15 7590 laptop only boots with the 'nomodeset' parameter

I'm facing a frustrating issue with my Dell XPS 15 7590 after upgrading to Kubuntu 24.04 with kernel 6.8. The system won't boot normally and gets stuck during the boot process, but it does boot ...
3 votes
1 answer
5k views

Ubuntu 16.04 boots to a black screen, works in recovery mode

I'm running Ubuntu 16.04 (the only OS on my machine), and I've recently run into some strange behaviour when booting. The GRUB menu comes up normally, but if I try to do a normal boot (either ...
1 vote
2 answers
15k views

How to convert vmdk to bootable Disk or usb

I have Mac os 10.12 in vmdk format and used it by VirtualBox on ubuntu. How to can i convert this vmdk file to bootable Disk or Usb for installing mac os?
-1 votes
0 answers
18 views

System Program Problem Detected while trying to install Ubuntu

I'm trying to install Ubuntu for the first time. I downloaded the Ubuntu 24.04 iso file and created a bootable USB using Rufus on Windows but when trying to install the Ubuntu, I'm facing System ...
0 votes
0 answers
25 views

My boot partition is showing /boot is 83% on Ubuntu Server, How can free this?

My boot partition is showing /boot is 83% on Ubuntu Server, How can I free this? Is it safe to execute sudo apt-get clean
-1 votes
1 answer
67 views

Xubuntu 23.10 not booting after specific use

I've an old Dell E6410 laptop, Xubuntu 23.10 installed on internal SSD. I used the machine to install 24.04 on an external drive, the laptop booted off a USB-stick with Xubuntu 24.04 installer. ...
0 votes
0 answers
46 views

Ubuntu 24.04 freezes during installation

I'm trying to install Ubuntu 24.04 as dual boot with Windows 10. After creating a USB stick with the Ubuntu installation media I get this screen. I tried all options but every time got the same ...
-5 votes
0 answers
51 views

I messed up trying to install linux mint [closed]

I wanted to install linux mint just for fun but encountered some issues that dont matter for now. However, I did get the live USB on and my friend was leading me to install it However, he told me to ...
-3 votes
0 answers
29 views

Can you help me? I want to install Ubuntu on my Sony Vaio laptop serie PCG-61A14L con Intel inside i5 y Windows 7 Homs premium, sin Windows oficial [duplicate]

I need to install Ubuntu on my Sony Vaio laptop Model:PCG-61A14L and I don't know how I am new to this and I can't find information or tutorials that show me correctly how to do it. Someone is kind ...
-1 votes
0 answers
34 views

after upgrading to 24.04, can't upgrade secure boot enforcement policy due to unsigned kerkels

I upgraded my system 23.10 to 24.04 however, it still shows me kernel kernel 6.8 can't be used these below many screen shots for this issue while now my system is 24.04 but on old kernel How to allow ...
1 vote
2 answers
5k views

Operating System not Found

I've Xbuntu installed on a 128GB SSD that boots and runs without issue on my desktop. (Even on its own with all other drives disconnected) When placed in my laptop, although it sees the disk, I ...
0 votes
1 answer
28 views

Imaging Ubuntu to USB drive

I saw that to download the install file for Ubuntu is 6GB. Does this mean that I can install Ubuntu on any USB drive with a capacity greater than 6GB? Thanks
-1 votes
0 answers
21 views

Running fsck Manually Error code

I just happened to get my hands on a lenovo thinkpad L450, it was running fine for like 2 days after that i’ve been having continuous boot up issues. whenever i go to boot up or turn on my laptop the ...
-1 votes
0 answers
38 views

Booting Ubuntu installer with UEFI (non-legacy) does not work [duplicate]

I’ve never successfully done this no matter what people say about how to do it online. I followed the Ubuntu UEFI-only guide. I searched everywhere else. Nothing works. When I try to boot the ...
3 votes
2 answers
586 views

I formatted the /boot/efi partition to upgrade Lubuntu and now I can't boot Windows

I have read several threads regarding this problem, but I can't solve mine. Background I wanted to upgrade my Lubuntu 20.04 to 22.04. My /boot/efi-partition's size was 150 MB and was working perfectly,...
0 votes
1 answer
138 views

I installed Ubuntu 24.04 with the 6.8.0.35-generic kernel and the BusyBox message appears

I do not know what to do. When I enter with kernel 6.5.0.41 it normally enters the initial screen. What went wrong? System Details Report Report details Date generated: ...
0 votes
0 answers
49 views

moklist error: which keys to remove from secure boot key management and How?

similar answered questions https://superuser.com/questions/1841890/moklist-error-volume-full-cannot-boot-asus-laptop Couldn't Create Moklist: Volume Full - grub doesn't start at all MokListRT ...
0 votes
0 answers
38 views

HP Microsever Gen 8 Ubuntu Server Issues

Really getting to the end of my rope here. Recently came into the possession of the above model of HP Microserver, the OS of the previous owner had irrevocably corrupted, and with the SD Card reader ...
0 votes
1 answer
282 views

UBSAN: array-index-out-of-bounds in /build/linux-1gzLWc/linux-6.8.0/drivers/gpu/drm/radeon/radeon_atombios.c:2718:34

This error occurred on my PC when booting Ubuntu from 22.04/24.04 in any flavor, in Zorin and also with Pop!_OS 22.04. Looks like a new kernel issue. It seems to me that it has to do with Kernel 6.5, ...
-1 votes
0 answers
28 views

Incomplete mode parameter data not critical error every time I boot up

Every time I boot up I see the same error message /dev/sdc refers to my brother printer /dev/sda3 is my Ubuntu 22.04.4 LTS Linux Filesystem. I have run sudo fdisk -l. Relevant results are below. I ...
0 votes
0 answers
33 views

Full Disk Encryption With Custom Storage Layout During Ubuntu 24.04 Installation?

During installation of fresh Ubuntu 24.04 LTS, when i select custom storage layout i can not see any option to encrypt the full disk and we are told full disk encryption is available during fresh ...

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