Questions tagged [boot]

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

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Ubuntu 18.04 booting/logging in Problem

This morning I was booting my notebook as every morning but I got a black screen with a bunch of lines and procedures on it (i dont know the technical term). Usually when that screen shows up it ...
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Ubuntu asked me to update but is not connected to the internet and hasn't been used for weeks

I'm sorry if this sounds dumb. I'm new to linux and ubuntu. I like to play around with it sometimes. Just now i booted up ubuntu from an usb stick. I use a wired connection and ubuntu has airplane ...
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Windows Partition ibb.co/C28VxFW

[ ibb.co/C28VxFW ] link, the last two commands didn't work K7AAY I deleted windows by installing ubuntu last year and since then have had a copy of pop os for a bit and then returning to ubuntu. ...
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Ubuntu 20.04 is booting really slow

I have a Dell Inspiron 5583 i7 and windows 10 was running perfectly fine. I decided to switch to Ubuntu a while ago and its running fine but it takes too much time to start. The window would take few ...
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Ubuntu 18.04 starts without network

Ubuntu 18.04 boots without network. When I reboot the OS the network is okay. How can I make the network start on first boot? Where should i start looking?
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Safely deleting EFI system partitions?

How I ended up with three ESP (EFI System Partition)... My computer came with Windows-10 installed, and their correspondent ESP partition. So, I shrinked the windows-10 partition and installed a ...
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Can’t Boot Into Linux Anymore - stuck in emergency mode

I am running dual boot with Ubuntu and Windows (I had windows first). I recently reset the bios settings to default due to another issue that I was having. I also restored Factory Keys under the ...
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its too frustating [closed]

dpkg: error processing package linux-image-5.3.0-46-generic (--configure): installed linux-image-5.3.0-46-generic package post-installation script subprocess returned error exit status 1 Errors were ...
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Dual boot installation on hybrid (ssd + hdd) storage

I am planning to install Windows 10 and Ubuntu 20.04 on my laptop. My laptop specifications are: i7-8750H 16GB RAM GTX 1050Ti 4 GB 256 GB SSD + 1 TB HDD Well, I am considering two options-> ...
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files missing from usb

Please please please help me i've been trying to escape from ubuntu and i am trying to make a bootable windows usb but it doesnt work, and now i tried to put the files from iso to usb (it was ...
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Ubuntu specific RAM issues - chrome crashing and memtest86 freezing

G'day, I'm running 4x8GB sticks of corsair vengeance LPX RAM, a 5700xt and an r5 3600x. I just installed ubuntu 20.04 a week ago to dual-boot with windows and I've been having RAM-related problems....
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No WiFi Adaptor found, and Dummy output for sound when booting into different kernel

Background - I was originally trying to resolve the issue of Question - No audio in laptop speakers or headphones, but sound plays in screen (HDMI connection), I suspected kernel update and with the ...
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gnome corruption

after update from 19.10 to 20.04 gnome has problem in display . it's slow . VisualStudio Code and jetbrains ide or discord suddenly freeze and this is my desktop on startup Desktop Picture s -al ~/....
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Booting into emergency mode

I'm running Kubuntu 18.04 -- or trying to. After some major reconfiguration that involved removing Windows and installing SuSE Leap 16.1, my Kubuntu goes into emergency mode on boot. I think it only ...
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1answer
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How to fix these two errors that pop up before Ubuntu boots?

Error: can't find command 'hwmatch'. Error: invalid PBKDF2 password. Enter username: Root(E.g) Enter password: Toor Error: access denied Failed to boot both default and fallback entries Press ...
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upgrade ubuntu 20.04 and lost internet access

when i upgraded 20.04 LTS my laptop not recognized not wifi not Lan point
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Need help repairing Ubuntu 18, can't boot

My Ubuntu 18 install just stopped booting (the Intel Bios message says something like drive or cable failure but I think the EFI partition has disappeared). I can boot with a USB 18.0.4 pen drive and ...
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Ubuntu 20.04 logo checking disk live ISO

I would like to change this default ubuntu logo. The logo of the checking disk. But I can't find it. I tried to change: /usr/share/plymouth/ubuntu-logo.png /usr/share/plymouth/themes/spinner/...
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dual boot ubuntu and windows 10 on ubuntu mashine

I have recently bought a new SSD for my laptop. Now, I want to create a dual boot system with ubuntu and windows 10. A lot of post recommend installing windows first and afterwards ubuntu. My ...
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How to manage GRUB Bootmanager issues with Ubuntu on (frequently removed) external SSD

I have a new hp laptop with Windows 10 and UEFI. I installed Ubuntu on an external SSD, and did the partitioning according to this How to use manual partitioning during installation?. Everything ...
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How can I change the screen (graphics card) that the system uses when booting and disable the other one?

I've got a triple boot system going on with Windows, Ubuntu and Mac. (It is a hackintosh). I've got a problem, that is, my dedicated graphics card (Nvidia GTX 1660) isn't supported by Mac, so I wanted ...
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1answer
37 views

Create bootable macOS USB for a non Apple computer

I tried several ways to create a bootable macOS USB for a non Apple personal computer. I expected it to work exactly like my bootable Ubuntu USB. macOS bootable USB seems to be working differently. It ...
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ubuntu wont let me select my windows drive to format and install ubuntu onto

when ever i try and install Ubuntu it asks me to select a drive for some reason my windows drive doesn't show up so i cant format it and install Ubuntu onto it.
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Dual boot GRUB only boots windows into boot options

I've been working on getting a dual boot setup going, and everything appears to be working fine; upon boot, grub shows Ubuntu and Windows Boot Manager to choose from, however upon choosing Windows, I ...
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Ubuntu boot freeze, seemingly related to previous usage on battery

My laptop sometimes freeze on boot, not reaching the login screen. The screen freezes on the Ubuntu logo. I googled a lot, most posts relates to a Navdia driver issue, but my laptop does not have a ...
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Single Boot Ubunu 20.04 Instalation not working. Why?

Samsung Ativ Book 4 (Broken Dispaly) Processor AMD E2-2000(smth like that) 1.7 Ghz BIOS Secure Boot - disabled CSM and UEFI selected FastBios Mode -disabled Partition setup #1 512mb efi (I use ...
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Ubuntu 18.04.4 on dell XPS - very slow boot [duplicate]

I have a very slow boot. Here is what I did to try to understand where it might be coming from: >> systemd-analyze time Startup finished in 7.305s (firmware) + 6.781s (loader) + 6.572s (kernel)...
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Speedup boot of Ubuntu Mate on iMac (late 2012)

I've installed Ubuntu Mate 20.04 on iMac (late 2012). After certain tuning, everything works perfectly, the only annoying point so far is the long booting time, say, before the Mate logo appears. ...
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1answer
76 views

Windows won't boot after Installing Ubuntu 20.04

Noob here. Installed Ubuntu 20.04 to dual boot on my laptop. However, now in grub the Windows Boot Manager doesn't load Windows. Looking at Gparted, I'm booting from /dev/nvme0n1p1, but the OS is on /...
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Cant update Grub , /usr/sbin/grub-mkconfig: 1: /etc/default/grub: r#: not found

on using sudo update-grub i get an error so the error is /usr/sbin/grub-mkconfig: 1: /etc/default/grub: r#: not found and due to this i have to edit grub temporarily every time i boot up just to ...
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15 views

Can't install Ubuntu 20.04 with SSD caching

I've been trying to install Ubuntu with LVM and SDD caching (I've tried both lvmcache and bcache) and keep encountering grub issues. I have two SSDs and two HDDs and have been trying to use LVM to ...
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grub version 2.04 not supporting USB keyboard

I have got two separate hard drives, one with Ubuntu newest version installed and other installed Windows 10. After changing BIOS prioritizing to Ubuntu drive, I disable grub file grub_timeout_style ...
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Booting ubuntu-20.04-desktop-amd64 from stick on my win10 notebook fails

I have downloaded ubuntu-20.04-desktop-amd64.iso and made a bootable stick. My win10 notebook startdt to boot but eventually stopped with the message: BusyBox v1.30.1 (Ubuntu 1:30.1-4ubuntu6) built-in ...
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grub openup everytime of start of pc,how to stop that?

whenever start computer the grub terminal opens up.But i dont want that to happen every time .how would i stop it from comming everytime.(which option should i change in the grub config file if that ...
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1answer
43 views

Ubuntu 18.04 is not showing desktop - fresh installation

Just installed Ubuntu 18.04 and updated, after update when I restarted it's got stuck on Ubuntu loading screen, but I'm able to connect with ssh and TeamViewer without any problem. Found this topic ...
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Missing 'lowerdir'

I get the following error when booting on 20.04. Any help is appreciated. aufs_fill_super:918:mount[1161]: no arg overlayfs: missing 'lowedir'
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Installing Windoze again alongside Lubuntu?

I have an old Gateway LT27 laptop with Lubuntu 18.4.04 on it, that I put on a few years ago. I'm fairly new to Linux/Ubuntu. I've tried to connect Boss BR 600 recorder software, to my Boss Recorder, ...
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Unable to boot ubuntu 18.04..its getting stuck with error in virtual console

I am new to Ubuntu. Let me explain what I did.. I had recently configured my ubuntu 18.04 with some of the Gnome extensions and gtk themes. I dont know what happedned but gnome desktop gui stopped ...
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How to skip the grub-bootloader

I'm having a problem with my microsoft surface. I wanted to reinstall Arch (because it was very slow) so I removed the grub folder in the boot partition (I don't know the reason anymore why I did that....
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I want to boot ubuntu but i dont know how to add the ext4 partition to my boot menu

So , i used UNetBootin to install Ubuntu 18.04 on my pc , i installed it on a parititon i created from my hard drive the partition ( shows empty , but i used ext2read to explore it and ubuntu is ...
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1answer
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Ubuntu takes too much time to boot up

I use Ubuntu 20.04. My system takes almost 3 minutes to boot. When I installed Ubuntu 18.04, it used to boot in only 10 seconds. Then it gradually become more and more. Then I upgraded to 20.04 and I ...
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1answer
57 views

Laptop won't power-off after shutdown

so I did software updates yesterday (the software updater popped up and I followed to instructions) and went on to watch a movie. Then I used to GUI to press "Power Off", closed it and went to sleep. ...
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USB 3.0 card not no connections

Got a netbook with a 3 port USB 3.0 card in it. If I plug a USB 3.0 hard drive in it. It don't light up. It's like no power or don't see it. root@fujitsu-laptop:~# dmesg | grep -i usb3 [ 0.782377]...
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1answer
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What does rabbitmq-server.service do?

Hello, i've started using ubuntu 18.04 a year ago and i'm not an expert. I was trying to remove service that i don't need on boot. As you can see i have rabbitmq-server.service which takes almost 30s....
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Cannot access grub or boot from USB

I have been plagued by the following for over a month and at a loss for other ways of asking Google how best to troubleshoot. Background: Had been running Ubuntu 18.04 smoothly for many months on a ...
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1answer
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Cannot boot Ubuntu 20.4 from USB drive on Insignia touchscreen laptop (originally running Windows 10)

I am new to Ubuntu, and am converting some of my devices, I recently inserted a USB drive, onto it formatted (in FAT32) the latest version of Ubuntu, into a relatively new, Insignia touchscreen laptop ...
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1answer
41 views

18.04 boots but only from grub menu, or after displaying tty

This is a new install on a Sony Vaio E-series VPCEB11FM. After pressing the power button to boot, if I then hit Esc or Shift to open the GRUB menu, and then selected the first (default) menu option ...
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Pop OS, How to enable boot messages to be printed on screen during boot up [closed]

In Ubuntu I know how can I enable post message from below link But currently I'm using pop-os is same branch/implementation from Ubuntu but I can not find way how can I enable post message @boot time, ...
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41 views

Ubuntu 20.4 fails to start after upgrade from 18.4 - probably due to graphic drivers

I just updated my dual boot Lenovo T510 18.04 Ubuntu to 20.04 using a graphical guided wizard, based on instructions from this official guide https://ubuntu.com/blog/how-to-upgrade-from-ubuntu-18-04-...
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Ubuntu 18.04: How to toggle printing boot.log-like messages?

I just installed a new few things (listed below) on Ubuntu 18.04, and now when I shut down, it started displaying what appear to be checks resembling the boot.log. It's a black screen with white text ...

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