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

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Easiest way to get GRUB bootloader to appear first

so here's my problem. I'm running a dual boot Win8/Ubuntu 14.10 setup, I forgot to install the GRUB bootloader when I was partitioning for the Ubuntu 14.10 installation. This forces me to boot into ...
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Plymouth,show both boot text and splash screen

Is it possible to make plymouth show both the boot text and the boot splash screen?If yes,how exactly?
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What does the form field »Enter Auth username« during the boot proccess mean?

Since I upgraded to Ubuntu 15.04 my system shows a strange behaviour booting: Shortly after the Ubuntu boot splash a form element shows up requiring me to enter an »Auth username«. The boot process ...
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Ubuntu wont boot from live cd. “chkdsk”?

I am not tech savvy so I don't understand why it wont boot. It says something about using "chkdsk". I searched for chkdsk and the program appeared but then went away. Im confused. Can anyone help?
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Ubuntu Studio 14.04.2 LTS AMD64 boot issue

Fresh install, no dual boot, 2TB brand new HDD, 4GB RAM, brand new Toshiba Satellite NB15T, LUKS encrypted drive, encrypted home folder as well, MD5 checksum's verified, default installation (and ...
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8 views

How to boot into Ubuntu after successful installation from wubi iso file in a dvd?

I am new to Ubuntu. I use windows 8.1. I downloaded Ubuntu 15.04 from the official website and burned the iso into a disc and then from my boot menu I chose to boot from dvd/cd. All went fine, under ...
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1answer
10 views

Kernel Panic at boot Xubuntu 14.04.2

I'm receiving a kernel panic when I try to boot Xubuntu 14.04.2 - this is my System: Windows 8 (sda2) Xubuntu 14.04.2 (sda7) Kali Linux (sda9) First, I installed Xubuntu next Windows. That was no ...
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17 views

Ubuntu install issues

i'm fairly new to linux in general so i've been trying outdifferent distros like ubuntu, lubuntu, Elementary OS, ETC... And now i've decided to use ubuntu sinceit's the easiest but i can't seem to ...
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1answer
22 views

Help with dual booting Windows 7 and Ubuntu 14.04

I have recently attempted to install Ubuntu 14.04 onto a partition on my hard drive, which is about 60GB in size. I was able to install it onto the partition. After the installation is finished, I ...
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15 views

Installed Windows before Ubuntu, both in BIOS mode, but GRUB install failed

Let me start by saying I've been trying to get it to work for 2 days, and that I've read a lot. The answer could be extremely obvious but I need someone to point it out. I was trying to dual boot ...
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1answer
13 views

14.04lts data rescue

My 14.04 installation has been stable until the latest round of updates. Now on boot I get to the log in password, when I enter it the screen goes blank then random splashes of colour, mouse pointer ...
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29 views

Home folder does not open and “Continue to wait” message

After I upgraded almost everything in my system (it took a long time and I executed only one command from the terminal, probably sudo upgrade or update), my Ubuntu 12.04 became a mess. It sounds ...
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24 views

How can I restore Master Boot Record in Ubuntu 15.04?

Old computer running Ubuntu 14.10 died so I purchased a new machine and had the HDD (500GB) from the old machine swapped into the new machine along with a new 1TB drive. Everything fired up OK so I ...
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27 views

How to reinstall a deleting MBR partition

I removed by mistake the MBR partition at the beginning of my disk (no kidding). Now I can't boot. Is there a way to fix this big problem without reinstalling all the system ?
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1answer
17 views

Ubuntu installation on UEFI system - grub console after boot

After a short (but bloody) battle I was finally able to install Ubuntu on my Dell XPS 13 (the 2015 one). After rebooting all I can see is the grub console. Typing exit pops up the Windows system that ...
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3answers
33 views

Installed Ubuntu 14.04 alongwith Windows 7

Today I installed Ubuntu 14.04 with Windows 7 and now only 1 operating system ie Ubuntu in working I want to use Windows also what should I do.
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1answer
43 views

boot problem after upgrade Ubuntu 14.10 to 15.04

I upgraded Ubuntu14.10 to 15.04, using software updater. After finished it , I restart. Now on a restart it fails to make it to the login prompt. The system looks to be in a cycle of failure and I see ...
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13 views

Magic alloc can't be resolved using live-cd

Seems like when updating from 14.10 to 15.04, I screwed my grub2 installation and now when I boot from live-cd and try applying the boot-repair, I cannot boot my ubuntu distribution. Here is the log ...
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25 views

Booting Problems - Ubuntu 14.04.2

I had a fair bit of issues installing Ubuntu 14.04.2: basically, I think Grub wasn't running; when asking for the password, the display stayed dark, as if it was off. Waiting a few minutes until ...
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0answers
8 views

my pc displays GRUB and doesn't starts

I just tried to install ubuntu on my PC. I ran Wubi and rebooted computer. My pc has two partitions, one with windows installed and the other with an ubuntu-based linux OS called Linkat, created in my ...
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0answers
8 views

New Ubuntu 14.04 installation with full disk encryption prompts for passphrase in console

My previous Ubuntu 14.04 installation launched to a graphical screen with the Ubuntu logo and a text prompt under it for passphrase insertion. I did a distro upgrade, which broke my installation, so I ...
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1answer
13 views

Force GRUB menu to choose my OS

I've installed Lubuntu on a pc. When the pc turns off incorrectly, sometimes, at the next boot, the grub menu appears and it wait for my choise. I would like to run my os, every times and in any case, ...
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1answer
62 views

My boot volume is full, what should I do now?

I keep on getting an urgent error message telling me my BOOT volume is full! How can I safely clean this up? Please be aware, I am a newbie in Linux. This is the result of uname -a: Linux ...
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1answer
22 views

Xubuntu 15.04 fails to boot into a live session from a live USB, but only when my SSD is plugged in

Specs: Xubuntu 15.04, GTX 770, i5-4690k, 8 GB RAM, Corsair SSD, Hitachi HDD. Whenever I boot into a live session, it always fails to boot when I have my SSD plugged in. This is most likely the result ...
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23 views

Ubuntu stopped booting

Ubuntu 15.04 has been installed. An update published May 21th was processed, which contains a new kernel. It stopped to boot with a message "Starting version 219." I have a Ubuntu bootable usb. ...
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14 views

Changing Ubuntu's Splash screen in 14.10 [duplicate]

I need to know if I can change the boring Ubuntu logo with the five dots changing from White to Orange after the GRUB2 menu, I know I can change GRUB2's menu look with the documents on the Ubuntu ...
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29 views

Can't install Ubuntu on my Laptop already running windows 8.1 [duplicate]

i followed the steps word by word even searched google for a solution but nothing. I want to dual-boot Ubuntu and Windows 8.1 the problem is I've tried to disable the Fast-boot and UEFI Settings ...
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2answers
37 views

Couldn't make pendrive boot-able using UnetBootin

I've an iso file for RHEL in one of my pendrives. Now I want to first make the device bootable, so that later on I can put RHEL as a VM. Now the problem is even after following the instructions to ...
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1answer
25 views

Suddenly unable to boot from Ubuntu Live USB,

I see there are several similar questions on here, but none exactly matches the problem I think. I created a bootable USB of Ubuntu 14.04 and 15.04, via unetbootin, on OS X. The USB live session ...
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1answer
19 views

Unable to boot CD

I have installed Ubuntu 15.04 and uninstalled Windows some time ago; However, i want to re-install Windows again and burned a copy to a CD (DVD+R) using write to disc pop-up right-click menu on the ...
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1answer
37 views

Upgraded Lubuntu 14.10 to 15.04, now get “Kernel Panic: not syncing VFS: Unable to mount root fs.”

I have a home server with Lubuntu installed. A few days ago, a Ubuntu update dialog box appeared, and I seemed to update to the latest version with no trouble (at least, no apparent errors). However, ...
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1answer
25 views

Landing in the GRUB command line at start up (bcs of XFS filesystem at /boot!)

Edit. The problem that I landed directly in the GRUB command line was another bug than originally asked for - see the answer. I changed the title accordingly. I think the title says it all. I'll ...
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1answer
29 views

Portable installed ubuntu on a Pendrive that boots on UEFI and BIOS [duplicate]

There seem to be quite few tutorials for that but they are either for having both live and installed, or supporting old 32 bit systems and so on and have some complicated steps. I simply want to ...
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0answers
33 views

Trouble Deleting a Partition Containing Grub

Update: I have resolved one of my problems myself, but still need help to delete a partition. I left the original post intact in case someone has a similar issue and can quickly reference this post. ...
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1answer
104 views

I keep getting the same GRUB error?

Any help will be greatly appreciated. Every time I start my computer, I encounter the error: '/boot/grub/x86_64-efi/normal.mod' not found. Here is a screenshot of my hard drive partition: I have ...
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21 views

Upgraded a virtual guest system: /dev/disk/uuid… does not exit

I recently upgraded my Ubuntu 14.04 (kubuntu), running as a guest inside VirtualBox 4.3.12 hosted by Windows 7 Enterprise, 64 bit. All ran fine until yesterday - when I tried to start the new ...
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17 views

Does anyone use the insecure boot mode? [on hold]

I am getting this message and of course my system boots into my account without asking for a password. I am banking on nobody breaking into my house, other than that I'm relatively secure. But without ...
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0answers
18 views

Error with qemu emulator

I was writing a boot sector program(in assembly) and created the binary using nasm. The command od -t x1 -A n boot sect.bin confirmed the bytes the assembler had created. However, when I loaded ...
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35 views

Broken boot ubuntu 15.04 - Adding repository from live-usb

When I installed ubntu 15 I pressed ctrl c and the installation was interrupted. I got the error about kernel-panic. I try to do a boot-reapir using a live-cd. I ran it with purge grub as was ...
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0answers
21 views

Cannot boot to ubuntu (dual-booted with Win8)

I made an attempt to install Ubuntu today from a DVD. It worked well for about an hour, when I was working in the tty's, getting things updated, etc. I closed the my computer's lid and upon ...
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2answers
45 views

Windows 7 or 8 for dual boot with linux? [on hold]

Hy! I'm not the type of guy who ask questions but now i'm pretty angry and way to tired to start searching 2 hours for a simple information. The problem is simple: I was, until this night using ...
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0answers
20 views

Enabling Fast Boot [on hold]

I already looked at the Why disable Fast Boot on Windows 8 when having dual booting? article, so I understand why fast boot is turned off in most cases. I noticed after dual booting my ASUS laptop ...
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1answer
27 views

Instal Ubuntu 15.04 with Windows 7

Unable Install Ubuntu with windows 7. I tried many times to install ubuntu 15.04 with windows 7. The instllation is completed successfully in every attempt but i can't boot to ubuntu. I install ...
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0answers
13 views

Grub-Bootmenu not showing up after triple-boot install (Ubuntu + 2xWindows10)

I first installed Windows10 (x32) on my Laptop, and then I installed Ubuntu. As it didn't ask me to boot into Windows10, and just booted to Ubuntu, I launched Grub-Boot-Repair and set up the boot. ...
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0answers
45 views

Crazy boot and reboot times after upgrading to ubuntu 15.04

After upgrade to 15.04 my ubuntu loads really slowly, slower than Windows 8 on the same machine, which insults me. I turned off splash screen, and when I boot the system I get this: A start job is ...
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1answer
27 views

GRUB “unknown filesystem” error on second boot of each day

I've installed a new 64GB SSD in my HP Compaq 2510p laptop. The SSD model is KingSpec KSD-ZF1. This system is a single-boot machine running Ubuntu 14.04.2 LTS. There are no other operating systems ...
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3answers
30 views

Live USB Stuck at Boot logo on every Distro.

I tried to install a linux OS on a USB. However, after I've tried eOS, Xubuntu and Linux mint, they all failed on the same occation. They all freeze on the logo and never get anywhere. I tried to ...
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0answers
32 views

Ubuntu 15.04 very slow boot

I looked around for answer to my problem, but never find, so I'm asking for help. $ uname -a Linux Aspire-E1-570 3.19.0-16-generic #16-Ubuntu SMP Thu Apr 30 16:09:58 UTC 2015 x86_64 ...
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0answers
14 views

How to boot from USB on a macbook pro with GRUB

I have macbook pro that I have only ubuntu on. It's using gnu grub. I have bootable USB with the new ubuntu that I desperately can't boot the last hour. I can't either bios or choose it any familiar ...
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3answers
50 views

Ubuntu touch no longer booting on BQ Aquaris 4.5

When I woke this morning my phone was off, but the battery still has a charge. When I plug it in the power socket, it shows the large battery icon and the change level. But it wont turn on. The ...