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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2answers
4k views

Ubuntu 14.04 not booting after installation

I have a Vaio Pro and had Ubuntu 13.10 with EFI boot on it which worked fine until I did something wrong. What I did: reinstalled Ubuntu 14.04 run boot-repair create the ...
0
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0answers
13 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 ...
1
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0answers
8 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 ...
1
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2answers
5k views

Diskless with Ubuntu 12.04

I'm trying to setup a new diskless solution with ubuntu 12.04 without any success. I followed this howto: https://help.ubuntu.com/community/DisklessUbuntuHowto But the initramfs seems not to be ...
0
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1answer
33 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 ...
0
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1answer
32 views

Can't boot any live cd anymore

I have a dual boot setup on a UEFI machine, and until today I had no problems with this setup. However couple of days ago I tried installing Fedora 22 Beta. I was able to boot to the menu with: ...
2
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1answer
50 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 ...
0
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0answers
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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2answers
35 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 ...
4
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1answer
79 views

Slow Ubuntu Booting

Problem: It takes too much to start Ubuntu 14.04.2 LTS 32-bit (7 minutes after the Grub screen). Problem description I turn on the PC 1 minute after the Grub screen appears Once selected Ubuntu ...
1
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2answers
59 views

Can not Boot up laptop after Linux installation

I have a windows 8 laptop. I went to install fedora 21. I deleted the D drive which had nothing on it. I then installed fedora on that partition. I restarted the computer and it booted into the bios. ...
0
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3answers
29 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.
0
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1answer
13 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 ...
0
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0answers
33 views

Error: environment block too small. Press any key to continue

I am running Ubuntu 15.04 and getting this error in grub menu Error: environment block too small Press any key to continueI went through this AskUbuntu Post about this problem but unable to solve it ...
8
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4answers
38k views

Unable to mount NTFS hard drive partition “The disk contains an unclean file system”

I have dual booted ubuntu 13.10 and windows 8.1 in my laptop. Earlier my window partition(C drive) and other NTFS partition was accessible from ubuntu. Now its giving me this error and not mounting: ...
0
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0answers
10 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 ...
0
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0answers
22 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 ...
1
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0answers
7 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 ...
2
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0answers
7 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 ...
0
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1answer
3k views

Ubuntu 12.04 cannot start

I just installed Ubuntu 12.04 64bit, and I cannot start it. I tried twice. The first time, I used a CD I burned. (The CD works for my another computer, so it is OK.) After wubi did something in ...
0
votes
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, ...
0
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0answers
13 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 ...
1
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6answers
13k views

How can I create a bootable iso from an extracted Ubuntu 13.04 iso?

I have an extracted copy of Ubuntu 13.04 iso (live CD), but if I burn it directly it will not boot. Is there any way to create a bootable iso so that I can burn it to a DVD or USB flash drive? I ...
0
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0answers
22 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. ...
0
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1answer
4k views

I really wanna use ubuntu on my dell venue 8 pro

I am using dell venue 8 pro. but I think windows8.1 it is not that good on tablet. it is just allowed touch input system. but i think ubuntu is working well on tablet. so i searched a lot in google ...
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0answers
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 ...
0
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0answers
27 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 ...
0
votes
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 ...
0
votes
1answer
18 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 ...
1
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1answer
96 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 ...
0
votes
1answer
26 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 ...
0
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1answer
30 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, ...
1
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1answer
28 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 ...
0
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1answer
23 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 ...
2
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0answers
24 views

Trouble Deleting a Partition Containing Grub

I have uninstalled Ubuntu from my main machine, but am having difficulty restoring the boot back to the Windows 8.1 default. I followed a guide from ...
2
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2answers
5k views

How do I open the boot menu?

I want to uninstall 12.04 and install Ubuntu 13.04 instead. When I was installing Ubuntu 12.04 from Windows 7 opened the boot menu F12. I have read that on Ubuntu to enter the boot menu I have to ...
1
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5answers
40k views

How to delete grub entirely from grub rescue. Boot windows only

I had installed ubuntu (twice actually) onto the same drive. I wanted to 'try again' since one of them didn't install correctly and the other installed differently, but it worked. I was getting ...
1
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2answers
4k views

Grub2 on LVM: How can I switch between alternate root LVs?

I have a working setup of Ubuntu Server 12.04 LTS (precise) installed on a LVM Volume (/dev/vg0/root). /boot is on the same LV, and Grub2 boots nicely from it using its own raid/lvm/xfs modules. Great ...
0
votes
3answers
46 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 ...
0
votes
0answers
20 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 ...
0
votes
1answer
100 views

Ubuntu booting screen missing in 15.04 desktop

I recently installed Ubuntu 15.04 using Unetbootin. (dual boot with windows 7). But on booting Ubuntu I get a pink screen (same color as grub default background) which changes to black after a few ...
1
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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 ...
1
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0answers
19 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 ...
-1
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0answers
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 ...
1
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0answers
30 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 ...
0
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2answers
44 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 ...
0
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3answers
27 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 ...
0
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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 ...
0
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1answer
25 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 ...
0
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0answers
11 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. ...