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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How can i start another operating system from within the ubuntu live cd?

I'm in a situation where i want to test various backup scripts for a remote vbox or vmware VM. For that I'm going to use an improvised 'pre-boot' environment for the guest machine made from a ...
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18 views

mdadm raid1 boot error

I created a RAID with Intel-Rapid-Storage(RST) - containing 2 3TB HDDs. Then I installed Ubuntu Server 14.04.1 64Bit. Everything worked fine and then I did a reboot. Then I got the following error ...
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0answers
16 views

Install 14.04: is the /boot partition recommended on 500 GB HDD?

When I was using 12.04 version, I had returning problems while booting the system and the Boot Repair recommended to create a separate /boot partition. I finally did not do this, the problem ...
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0answers
7 views

14.04.1 - udev exit failed rc=2 at boot

I went over to /etc/sysctl.conf to change the swappiness value (to 10). I then saved my changes, and rebooted into a live USB/CD to go into Gparted to increase my swap size. Gparted did its thing, so ...
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0answers
11 views

Need help installing on an odd Win8/Android pc

I was given a Windows 8/Android tablet that will not boot properly. If it tries to boot into windows I get a CRITICAL_PROCESS_DIED error every time. There is no option to boot into Android. I want ...
0
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1answer
27 views

How to switch between Fuduntu to Ubuntu?

I am using Fuduntu at the moment but i need to Switch to Ubuntu. The main thing is that i can use FreeCad and many other Soft-wares that are available in Ubuntu and not in Fuduntu .How can switch ...
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1answer
26 views

Ubuntu 14.04 Installation Failure on 2012 MBP - Missing Operating System

everyone. This is my first time posting on AskUbuntu, and I'm really hoping I can get some help. Background: I had a dual boot partition of OS X Mavericks and Windows 8 on my 2012 Macbook Pro. I've ...
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0answers
31 views

Ubuntu 14.04 boots to black screen

I have installed Ubuntu 14.04 LTE on my HP Pavilion desktop with Nvidia graphics card. When I switch on my computer, it seems to boot normally at first, until the Ubuntu “coloured dots” screen ...
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0answers
34 views

Am I a ghost? Desktop loads but I can't interact with anything — not even on other HDD

I'm having problems booting into Ubuntu. There are no errors, and the process gets as far as the desktop (devoid of icons) with the mouse pointer, but I can't do anything. No terminal, no 'super key' ...
0
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1answer
28 views

Unable to login adminstrator account

I don't know what I have done exactly before it happen, the last thing I have done is accepting to install upadtes and to program it to shutdown after it finishes using sudo shutdown -h [MM]... After ...
0
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1answer
21 views

Restore GRUB from Windows or from USB

I had a dual boot Win XP - Ubuntu. I deleted XP and I installed Win 7. Now, GRUB doesn't exist anymore. I made a live usb with ubuntu to repair grub, but usb doesn't boot(i used it in past to install ...
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24 views

Why does the Ubutu 14.04.1 Desktop AMD64 tell me “(initramds) Unable to find a medium containing a live file system”?

I'm trying to install Ubuntu onto new built PC without an OS. I burned Ubuntu 14.04.1 Desktop AMD64 onto a disc and inserted that into the disk drive and set the boot priority to the disk drive first. ...
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0answers
18 views

Can't automatically boot Ubuntu

I just got a new motherboard and for some reason, I cannot get into the bios no matter what keys I press to change the boot menu and make it start automatically. I have to keep pressing the F11 key ...
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0answers
48 views

What is happening?

I tried to boot Ubuntu on my PC from USB Drive but this is what i get: Here is my PC configuration: I made a bootable USB of Ubuntu 14.04.1 with the Universal USB Installer tool, version 1.9.5.6. ...
-1
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1answer
40 views

Degraded performance in boot after installing the Gnome Desktop

I installed Ubuntu 14.04 via a minimal CD. it looked like a terminal window so I did: apt-get install gnome and it downloaded a lot of stuff. Then I rebooted and created an account. It's been ...
1
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1answer
6k views

Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs)

I downloaded 12.04.1 and md5 sum checked them and everything is good. Made a live usb and booted up... Just gets to where its about to start with the purple ubuntu loading screen then it goes back ...
0
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1answer
42 views

Recover unbootable Ubuntu, boot-partition gone?

I was unable to boot Ubuntu after setting my BIOS to default. I tried Boot-repair and tried a "recommended repair". After a while it asks me to insert the following in Terminal: sudo chroot ...
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0answers
45 views

Having trouble installing Ubuntu 14.04 alongside Windows 7. Have read all the questions posted here, as well as tried for 3 days now

I'm really sorry to bother everyone. I almost always find my answer on these forums, but it's been 3 days now and I've read dozens of askUbuntu posts and tried all sorts of different things to no ...
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2answers
639 views

ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell

I am using Ubuntu 14.04. On 23 August 2014 I ran in terminal sudo apt-get update. Then I rebooted the system. And now I see: ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell ...
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0answers
21 views

Can't access my desktop after power failure of update

I had a power failure while upgrading Ubuntu 13.10 to 14.10, and I got: Filesystem check or mount failed. A maintenance shell will now be started. CONTROL-D will terminate this shell and ...
1
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1answer
31 views

How can I disable both the boot splash and messages during boot?

Any answers which I have read so far on how to disable the boot splash work by enabling text messages. However I'd like to have a completely black screen until the login screen. Is it possible to ...
0
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1answer
35 views

Installing Ubuntu from flash drive but error says it can't find the CD-ROM

First, I've never tried installing any flavor of Linux before, so bear with me. I created a bootable flash drive using Universal USB Installer. I ran the Ubuntu installer, but it quickly errors out ...
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0answers
8 views

Will the boot-degraded flag remain after upgrading to 14.04?

I am currently running Ubuntu 12.04 and have a RAID setup with the boot-degraded option. If I upgrade to 14.04 will the boot-degraded option remain? I manage this server remotely and would hate to ...
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0answers
26 views

Can't enter Ubuntu 14.04 with AMD R9 290 (Black Screen)

I've recently installed Ubuntu along side my Windows 8.1 on my HDD. The moment I tried to boot I got a weird purple outline, followed by a black screen and monitor signal loss. I entered grub ,using ...
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0answers
17 views

Cant install ubuntu in my Computer

Well, the think is, yesterday i was trying to create a partition with gparted and i formated all my pc and created a partition table with 2 partition, 1 ext4 and 1 fat32, one for windows and one for ...
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1answer
2k views

Ubuntu 12.04 login screen flickers. “Could not write bytes: broken pipes”

I use Ubuntu 12.04 x64 with a dual-boot setup. Yesterday it worked fine but this morning when I attempted to boot it gets to the login screen and then it just flickers, alternating between the login ...
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0answers
15 views

Xenomai: /dev/rtheap is missing

I want to use `xenomai . I try to install on my pc. I read this page and did these steps: http://www.stanley.gatech.edu/skelly/uncategorized/installing-xenomai-on-ubuntu-12-04/#comment-3379 But I ...
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0answers
31 views

Can't access keyboard in boot menu after update to Ubuntu 14.0.1, laptop keyboard, trackpad, network not working

I've just updated my system from the command line. There after the system went into black screen. I got a login screen after several reboots but am only able to use the keyboard to login after ...
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0answers
636 views

Ubuntu is booting on acer e1-510 laptop, but screen displays nothing

Tried loading ubuntu 12.04 (32-bit as well 64 bit) through bootable usb , on a brand new 64-bit acer E1-510 laptop. It shows the 'Try ubuntu without installing screen' and I selected that option. But ...
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0answers
18 views

my ubuntu is slow after boot problems, how can I repair it?

I have finally installed my ubuntu through wubi on dual boot with win 7, installed update and first problems shows, I had problem with booting so I use boot repair and then I have problem with ...
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0answers
11 views

MDADM RAID1 Home Server System disk error: incrementally starting raid arrays mdadm: Create user root not found

I'm not sure what else to check. Everything below looks sane to me but the system hangs on boot. This is a home server with four disks crammed into a Dell OP620. Each pair of disks are assembled as ...
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0answers
14 views

How to uninstall Xubuntu and Grub to have only one system?

here is my problem: I have on my laptop Xubuntu installed in dual boot with Debian. Xubuntu was the first OS installed, so it manages grub. I want to uninstall it and only keep Debian. How can I do ...
0
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0answers
10 views

Ubuntu not booting up after user name change

I have ubuntu installed (dual boot with windows 7) on my system. It was working fine. Then I just wanted to change the username. So I googled and ran the commands given there. The list of command that ...
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0answers
19 views

Ubuntu partition deleted off of dual boot alongside windows, can no longer login

Okay so one of my friends went ahead and deleted the Ubuntu partition in her dual boot (it booted alongside windows). Now she can't log in. She didn't send me any screen shots or anything so I have no ...
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2answers
3k 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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1answer
31 views

Unable to get back Windows 7 partition entry in Grub2 Ubuntu 12.04

I had Ubuntu 12.04 installed on my system along with Windows 7, running perfectly. Then I upgraded to 14.04 and many things in many things went wrong so I decided to format just my Ubuntu partition ...
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0answers
20 views

What's your Ubuntu question? Be specific [duplicate]

I'm new to linux, and when trying to install the newest updates I get a pop-up saying that "the upgrade free space on disk '/boot'. Empty your trash and remove temporary packages of former ...
0
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1answer
150 views

Boot and Shutdown Issues on Aspire E 11 model E3-111-C0WA

I am new to Ubuntu and Linux and this was to be my learning project. I purchased an Aspire E11 model E3-111-C0WA (cheap and had 300GB hard drive) Used Linux Live USB Creator to create an install ...
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1answer
26 views

Dual booting; Boot drive

I am about to buy a laptop with a 128GB msata (upgrade possible) and a 1TB hdd. My question is if i partition the msata 64/64 (win 8/ubuntu) and split the hdd in half as the storage for the 2 ...
0
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0answers
30 views

GNU GRUB version screen when I restart or turn on computer (trying to dual boot with windows 8)

I installed ubuntu today in my computer that also have windows 8. I download the image from the ubuntu site and then I burn image in a dvd. I change bios to boot from my dvd and I install ubuntu in ...
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0answers
28 views

bad mount option “x-gvfs-show” or missing value

[14.529446] UDF-fs: bad mount option "x-gvfs-show" or missing value My boot stop on this row......so I'm able to boot Ubuntu only using "advanced option".
0
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1answer
28 views

Insert ubuntu OS next of the windows7 in boot order

I usually work with windows 7 and just using Ubuntu for work with some special software I want to insert Ubuntu OS next of the windows 7 entry to have auto boot with windows 7 if I do not choose one ...
0
votes
1answer
17 views

Secure Boot Violation on samsung

I need help! I just install 14.04 in my Samsung but when I press the reboot option I get the following message: Secure Boot Violation Invalid signature detected. If this error persists, seek ...
0
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1answer
33 views

Stuck on Grub Rescue

Ok, I know there are lots of answer on that topic, but I've been trying to get out of that for ages with no luck. What happened was that, I had an Ubuntu 14.04 in one partition and windows 7 in ...
0
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1answer
46 views

Booting From Usb From Ubuntu

I currently have the latest version of Ubuntu installed. I was wondering how do I boot from a USB with Ubunutu on it. This is with the intention of re-loading ubuntu onto my computer. At the moment I ...
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0answers
14 views

Plymouth Showing Crude Ubuntu Logo

On Ubuntu 14.04, I tried to change the plymouth theme to a home-made one. Unfortunately, it not only didn't show, it reverted to this crude Ubuntu logo(The one with Ubuntu text and four square(Square, ...
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2answers
3k views

ATI Radeon HD7000 Series (Laptop) - Switch Mode Between ATI & Intel Integrated GPU. Stuck on Boot Screen On Intel GPU Selection Mode

Laptop Specs: HP Pavilion G6-2020SE GPUs 1) ATI HD7000 Series 2) Intel Integrated OS Installed: x) Ubuntu 12.04 (64 bit) i) ATI Graphics Card Drivers Installed From AMD website. Note: Graphics Card ...
1
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1answer
286 views

Booting off a ZFS root in 14.04

I've been running a Debian derivative (LMDE) on a ZFS root for half a year now. It was created by cloning a regular ext4-based install with all the necessary packages onto a ZFS pool, chrooting into ...
0
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2answers
2k views

No Grub and Can't Boot into Windows 8 After installing Ubuntu 12.10

First, I installed Windows 8 in my desktop PC. (Not pre-installed... I did it by myself). Then I booted the Ubuntu dvd in UEFI mode (Did the same with Windows 8) and installed Ubuntu 12.10 64bit. ...
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5answers
374k views

Recovering from 'grub rescue>' crash

I did a dumb thing... I forgot that Ubuntu 10.04 (Lucid Lynx) switched to GRUB 2 which puts a ton of *.mod files (kernel modules) in /boot/grub. I thought they were soundtrack files put there ...