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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Long startup time after power supply is changed

I have a deskop PC here running Ubuntu 14.04 and observer very long start up time - about 5 minutes. If the Ubuntu is already started and I restarted it, it takes about 30 seconds to load. So the ...
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8 views

Attempting to install Ubuntu 12.04. Unable to find a medium containing a live file system

I am rather new to Linux and Ubuntu and have attempted to download Ubuntu 12.04 desktop, burn it to a disk, and install it on my SlimPro Model SP675P with an external DVD drive. I run the disk and my ...
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7 views

Slow Boot Times — “gave up waiting for root device” error

I just installed Ubuntu this past Sunday. This afternoon after my laptop battery was drained, I plugged it in and started to boot into Ubuntu (I have a dual-boot setup along with Windows 8.1). I was ...
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0answers
9 views

Add Windows 8.1 to Grub List

I jus bought a Lenovo t430 and it had Windows 8.1 Pro when I received it. After some hard work i've got to install Ubuntu 14.04. After the install the grub didn't shown the windows option. Login in ...
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12 views

Ubuntu is not offered in bootup menu on Windows 7 reboot

I have a HP DV6 laptop running Windows 7. I downloaded Ubuntu 14.04 to my computer and burned the ISO image onto a DVD. I rebooted with the DVD in the tray and installed Ubuntu using the option. The ...
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1answer
24 views

Creating a bootable flash drive

I need to make a bootable Windows 8.1 flash drive and am trying to follow the instructions on this site "How to create a bootable USB stick on Windows". I am confused when I try following the 2nd ...
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0answers
14 views

Lubuntu 14.10 does not install correctly on Lenovo Carbon II. how do I recover?

Lubuntu 14.10 development version does not install correctly on the new Lenovo Carbons. It's something to do with the basic boot command. For instance, if I install 14.10 only, the computer does not ...
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1answer
9 views

Edubuntu inappropriate Kernel for installation

I faced this error while Runnign Edubuntu from Virtual Box. I used this edubuntu-13.04-dvd-i386.iso file.
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1answer
9 views

Network configuration on boot taking longer than 60 seconds… why?

My HTPC was running Ubuntu 13.04 and had no problems, but I've re-formatted the system and installed Ubuntu 14.04 (minimal) from scratch and I've having a problem with my network. When the system ...
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2answers
20 views

ubuntu unknow partition cannot mount or update grub

After a power failure, I had the following error: error: unknown filesystem grub rescue> I ran the ubuntu repair using a live usb. The log can be found here: http://paste.ubuntu.com/8464735/ After ...
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1answer
27 views

How do I remove old kernel files from /boot and fix a potential error listed in <sudo dpkg --list 'linux-image*'>?

Any help with the following would be very much appreciated: A few days ago I installed the latest stable Linux kernel (3.16.3) and then I used the one liner from here to remove my old kernels. The ...
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1answer
8 views

GUI mode not loading

I have a HP ENVY 15z with Windows 8 pre-installed, and I've set part of the HDD for Linux, so I have Ubuntu and Windows 8.1 in dualboot. Problem is, Ubuntu no longer boots, Windows boots just fine but ...
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11 views

“Libkmod: EROR… ignoring bad line” start-up issue

Just started using Linux Ubuntu 14.04 and when i try to boot it, it gives me this error message. After error message it boots successfully. The point is, i had this "ath9k.conf" file in directory ...
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0answers
6 views

Aspire s3 391-6046 Boot Configuration Data

Opens on Blue Screen and reads: Recovery Your PC needs to be repaired The boot configuration Data file is missing some required information File\BCD error code Oxc:000000d Press Esc to access UEFI ...
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0answers
30 views

Glitch on Ubuntu 14.04 boot

For some reason, I re-installed Ubuntu 14.04 on my computer. But this time, I detected a glitch on boot. After the motherboard boot finished, there's a black screen with a purple border, and then for ...
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1answer
20 views

regarding installation of ubuntu 14.04

My pc has 1GB RAM and I am trying to install ubuntu 14.04 32 bit by running .iso file from windows xp 32 bit. It always gives me error called' cannot download metalink and hence the iso file' I hv ...
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0answers
8 views

cannot scroll up and down on boot select menu with new keyboard

I just bought a razer deathstalker, which works great on my windows boot. However, I went to restart my system, and when I got to the boot menu, it was unable to move up and down to select a boot. ...
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1answer
29 views

I can't boot the ISO file

I have tried to boot the ISO file in my computer but I couldn't. I'm using Windows 7 and I save the file in my flash drive. When I tried to boot the flash drive appear the following message: Remove ...
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1answer
12 views

HP envy 15, Boot from usb

I'm trying to boot a live usb from an HP envy 15 but I can' seem to do it. I have already entered the bios setup, disabled secure boot, enabled legacy support. But, the bios sasys that when legacy ...
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1answer
11 views

Kernel Panic, Can I get specific info from this screenshot I have?

here are the specs for my desktop: Linux Ubuntu 14.04.1 LTS & Windows 7 HP pavilion p6000, AMD64 Here´s the problem details: Kernel panic error (Ubuntu) and Blue Screen of Death (Windows) ...
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0answers
16 views

I installed Ubuntu alongside Windows 8, but my Windows 8 is not opening

I installed Ubuntu alongside Windows 8, but when I open Windows 8 it won't boot. It asks me to enter a recovery disk, which I don't have. What do I do? This is not supposed to happen, ...
1
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1answer
21 views

Ubuntu 14.04 not installing correctly

I am trying to install Ubuntu onto an old computer. Computer itself is a 1.7GHz processor with 608Mb RAM, standard on-board VGA graphics (ie no additonal graphics card) and a clean (ie no Windows) ...
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0answers
15 views

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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0answers
16 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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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 ...
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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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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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1answer
27 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 ...
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1answer
20 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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23 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
16 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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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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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
43 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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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 ...
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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 ...
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0answers
7 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
16 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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0answers
50 views

Installing UBUNTU 14.04.01

I try to install and get a message that the Kernal is missing. What do I do. I am trying to install Ubuntu on a partioned disk. The machine is Dell Inspiron 8600 the other partion has Windows XP SP3 ...
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0answers
14 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

Booting ubuntu from external hard drive

After installing ubuntu to a 32 GB. flash drive from a live usb, i attempted to boot the flash drive on my mac using target disk mode, but the mac cannot find it. After this, i booted my mac from the ...
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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 ...
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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
25 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
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 ...
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0answers
9 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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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 ...