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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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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7 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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10 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
23 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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11 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
8 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
17 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
26 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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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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29 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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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
28 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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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, ...
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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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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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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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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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0answers
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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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
25 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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20 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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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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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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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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13 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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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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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 ...
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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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1answer
30 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 ...