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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Won't boot, ACPI PCC probe failed

After updating, my desktop machine will no longer boot. It shows the message ACPI PCC probe failed, starting version 219 and then stops in with a command prompt and some text about it being in ...
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19 views

Cant get 15.04 or 14.10 or any version of Ubuntu to boot on Flex 10

I've seen a few questions around bit no one has really been able to hope. Ive been trying to get 64bit Linux working on this laptop through its 32bit EFI every nown and again for about a year now and ...
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41 views

Cannot install Ubuntu onto USB stick / external USB harddrive from Ubuntu Installer

I've successfully used unetbootin (unetbootin-windows-608) to create a bootable USB memory stick from the ubuntu-14.04.2-desktop-amd64 iso image. I select USB boot from my bios boot menu and get the ...
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47 views

How to setup linux on drive d without removing windows on drive c and other drives

I am a starter in Linux. I was having a windows laptop with the hard drive split into 5 drives. Drive C Windows 8.1, Drive D and G empty. Other drives has important data. I want install Linux on ...
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17 views

Ubuntu doesn't Boot - Disk full

I have created 10 GB drive for Ubuntu installation on windows machine and it works properly but its memory gets full and now it is not booting. How to free the memory?
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40 views

Various Errors When Booting Ubuntu

After booting, the following message appears: Welcome to emergency mode after logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot systemctl default Use "systemctl ...
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53 views

root file system mounts as read only after some time

My root (/) file system get remounted as read only after the system has been up for some time. This seems to vary from 3 hours to 48 hours. This system is running Ubuntu desktop 14.04. Its primary ...
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15 views

GAG with Ubuntu 14.04

I have a hard disk with 3 partition and three operating systems installed: 1. Windows 8.1 2. Windows XP 3. Ubuntu 14.04 GAG, the graphica boot manager works perfectly with the first two Windows ...
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39 views

Change boot perminantly to Single user mode with gui

I am making a computer testing image for my work. I also want this to run automagically at startup, or at least simply without having to input passwords and start things manually etc. We have a lot of ...
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92 views

Trouble booting: ACPI PCC probe failed

I was just doing my thing on Ubuntu 15.04 and then I couldn't launch Minecraft no matter how I tried so I rebooted and the screen went like this: [0.036510] Ignoring BGRT: Invalid status (expected1) ...
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43 views

After Ubuntu 14.04 Reinstall hard drive is not recognized as Bootable Device

I'm new to Ubuntu. After doing a full reinstall of 14.04 LTS on an Acer Inspire E5, the hard drive is not recognized as a bootable device, though it is recognized in general. Booting Ubuntu from a usb ...
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17 views

Ubuntu installation on PC hard drive

I have installed Ubuntu but at start up the hard drive doesn’t recognize it. Then, when I run Ubuntu from the Ubuntu 14.01 DVD the Files are on the hard drive as if the installation was successful. I ...
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39 views

Setting up an external drive with the whole Ubuntu OS encrypted there, running 100% isolated from the internal drive and main system

This is somewhat a continuation of My machine runs Ubuntu Desktop 15.04 and I want to separately run Ubuntu from an external encrypted hard drive The objective is to create an isolated (and secure) ...
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23 views

Is there such thing as a plymouth IDE?

I have googled and have scoured the internet attempting to find a plymouth script IDE which would allow me to see a sample window which update itself with code changes. Similar to Apple's XCode ...
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25 views

Remove grub2 from Surface Pro 1

i installed Ubuntu on my Surface Pro following this guide: Dual boot Surface Pro with Ubuntu? But now I want to remove Grub2 and switch back to the regular Bootloader to be able to enter the Windows ...
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25 views

Booting failed after enabling swap and installing uswsusp

After reinstalling Ubuntu 15.04, my swap partition was not active which is why Ubuntu did not hibernate. I followed steps given in this answer . I edited /etc/fstab/ by typing sudo nano /etc/fstab in ...
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38 views

Pixelation and Low-Performance GUI on Install and Boot

On my desktop, whenever I try to install a new version of ubuntu, the live CD/USB Drive boots up with a GUI that's scaled for my resolution (1440x900), but the pixel size is two or three times the ...
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22 views

Installing GRUB2 on Intel RAID1 volume fails to boot

I've come here as a kind of last resort, hopefully someone will be able to help me. I work for a company which sells POS systems, recently we started using the HP RP5 5810 PC as the heart of our ...
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11 views

Move installation to external drive

I want to move an existing internal Ubuntu installation to an external drive. I've put what was my internal HDD into and external case and set my bios to recognise booting from USB. The result is I ...
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96 views

Can't boot to new kernel, error processing package linux-image-extra-3.13.0-57-generic

Yesterday I installed the updates ubuntu presented me and now I can't boot in to the most recent kernel anymore, linux-image-extra-3.13.0-57-generic. Starting up immediately causes a kernel panic and ...
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20 views

Install Ubuntu on Seperate HDD - Win 7 Error

So, I decided that installing Ubuntu and re-learning Linux would be beneficial. I downloaded Ubuntu (Latest version), unplugged all other HDD/SSD that I have in my PC and the install went perfect and ...
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28 views

I no longer detect any OS or hard drive after updating from 12.04 to 14.04

I updated the my system from ubuntu 12.04 to 14.04. I had installed the OS on the partition /sda. After I restarted my system, I was taken directly to boot menu and the boot menu no longer showed that ...
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16 views

weird language/ charictors after while booting

when I try to boot from my USB I get these strange characters instead of the dell logo screen: Raikra 'isks kr kphar ia 'ia* prass ajy kay pk rasparp It seems to ask to press a key, and when I put ...
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56 views

update-initramfs runs scripts in init-premount?

So, I have a weird laptop that won't correctly boot from my USB3.0 stick. Grub and initramfs load up, but then miraculously the stick is not mounted. If I just wait, the machine drops to the busybox ...
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38 views

Installed Ubuntu 14.04, then Ubuntu 15.04 and now lost Windows

My computer only had Windows 7 when I bought it. Because I am an amateur programmer, I've installed Ubuntu 14.04 (duual boot) For some personal reasons (stupid ones), I've installed Ubuntu 15.04 ...
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15 views

Suspend during upgrade to 14.04 caused CORRUPTION

An accidental suspend when my laptop was being upgraded from 12.04 (64bit) -> 14.04 (64bit) has stopped the system from starting up. It gets to GRUB and runs through the startup procedure but stalls. ...
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27 views

Recommended distribution for my laptop (problems with Ubuntu on HP Probook 655 G1)

I'm very new to Linux and after I installed ubuntu, I was pretty satisfied and could handle it pretty well. But I had several problems with my HP Probook 655 G1. Sometimes when I boot up, it won't ...
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42 views

PXE Boot Problems /cdrom access denied

I am having issues with trying to PXE boot the latest Ubuntu 15.04 MATE image. I have mounted the ISO and copied the files to /tftpboot/nfs/ubuntu/ I am using syslinux, and followed this tutorial: ...
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45 views

why grub menu is not showing on startup, when i press F9 on startup than only my laptop shows grub menu

I installed ubuntu 14.04 on my hp laptop along with windows 8.1 pre installed. both operating systems (ubuntu & windows 8.1 ) are working well.problem comes when i start my laptop it never show me ...
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65 views

Linux Kernel acting weirdly

This probably is a bug, but I am not sure, that's why I'm posting this here. I am running Ubuntu 14.04 using Linux Kernel 3.13.0-55-generic on Dual Boot with Win 8.1 on a Lenovo Z510. Lately the ...
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308 views

Automatic Ubuntu server installation not working - error with booting from usb drive

I am working on automatic Ubuntu installation iso file. I followed the guide shown here: https://pricklytech.wordpress.com/2013/04/21/ubuntu-server-unattended-installation-custom-cd/ The iso file ...
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11 views

Ubuntu boot problem, (with youtube link)

Hello wise people of ask ubuntu. After installing Ubuntu I had to re-boot my pc, but then I ran into a problem. When I boot I get into the GRUB meny, I choose Ubuntu, since I've installed Ubuntu ...
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118 views

how can I get ubuntu 15.04 to boot up with my Nvidia geforce 960 GPU

So I've recently installed Ubuntu as a secondary operating system on my computer alongside windows 8.1, and I've discovered that it refuses to boot up with my Nvidia 960 GPU installed. I've repeatedly ...
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498 views

Ubuntu 15.04 dual boot error with Windows 8.1 with UEFI and SecureBoot

Greeting's, I've tried to install windows 8.1 + ubuntu 15.04 thrice now. But both the time's i'm left with a peculiar problem. I have UEFI and Secureboot enabled. In the UEFI there is no option to ...
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56 views

Install from ISO image on the same hard drive

I am working with the assumption I have a computer with a single hard drive, no USB connectivity and no access to external disks (no optical, diskette or network drives). No PXE either, of course. ...
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21 views

Screen flickers for a second during boot up

I am running dual boot with windows 8.1 and elementary os freya on my Hp laptop. During boot up, after I select the OS in my grub menu and before the elementary icon loads (boot splash), the screen ...
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56 views

Does the boot option acpi=off can overheat my laptop?

Help please (excuse my english) I recently bought an ASUS X453 (quad core intel inside pentium, 4GB RAM, 500GB Disk) and replaced Windows 8.1 with Ubuntu 14.04. After a lot of trouble with the ...
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10 views

problem with /user//lib/libgconf2-4/gconf sanity check ended with staus 256

After changing permissions on a storage file in my home/Randy folder I am having problem with /user//lib/libgconf2-4/gconf sanity check ended with status 256.
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26 views

dual boot win7 and ubuntu accidentally deleted ubuntu partition

I had a dual boot Ubuntu Win7 combo, and I deleted the Ubuntu partition by mistake. Now the system doesn't load. I tried boot repair logged on: Log-I and Log-II. My system still doesn't boot. ...
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152 views

Asus ux31a- I cant boot and I lost some options from the bios.

Ok, here is a little bit long story. ( sorry for the bad English ). laptop info: asus ux31a windows 8 64x pre installed windows 10 64x for now bios info Aptio American Megatrends version 2.15.1227 ...
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10 views

Whitewashes the screen

afrter reinstail my ubuntu 14.10 my laptop (Acer Aspite 5750G) begin whitewashes the screen when I start Ubuntu, I use double boot with Windows 8.1, I try to make another USB live Linux - Fedora, but ...
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38 views

No Boot Ubuntu after update

After an update, Ubuntu will not load. I'm currently on Gnome Ubuntu 14.04, but this issue has happened to be before on 14.10 and 15.03. It will work for a few weeks, then an update will prompt me to ...
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20 views

Boot ubuntu in my macbook pro

I have Ubuntu 14.04 installed in my macbook pro. It was working normally for a week. Then I got this problem saying 'efi is not ready yet'. I tried to run boot-repair, but it does not help. Here is ...
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31 views

Unable to start windows 7

I have upgraded my ubuntu 12.04, with fhe following command. sudo apt-get upgrade In between some parts were not updated because of some internet issued. So, I had to again run the same command to ...
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48 views

windows 8.1 won't let me boot using Ubuntu

I have a Lenovo laptop that came pre-installed with Windows 8. I have tried both desktop versions of Ubuntu, and I get the same result. Upon restarting mt laptop I get a start screen called 'windows ...
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67 views

How to start my ubuntu 14.04 64 bit?

I bought lately an usb external hard drive Verbatim 1TB and I tried to install a fresh Ubuntu 14.04 64 bit. I have also in my laptop an internal hdd 320GB with my Windows 7. All the installation ...
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88 views

GRUB rescue and out of memory - killing process occurs when I start my laptop

Using USB booting, I installed Ubuntu 14.04.2 LTS 64 bit on my LENEVO Ideapad G50 - 70 dual boot with windows 8.1 - In order to overcome Ubi partman error 10 ( I think its RAID isssue) by using -> Try ...
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102 views

systemd error on boot: [DEPEND] Dependency failed for ifup for virbr0/nic

First time booting with systemd after upgrade from 14.10 to 15.04 I get this from systemd [ TIME ] Timed out waiting for device sys-su...m-net-devices-virbr0-nic.device. [DEPEND] Dependency failed ...
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29 views

Cannot boot into ubuntu even fter running boot repair

I could not boot into ubuntu so i ran boot-repair from USB, got the following summary i still cannot boot into ubuntu, http://paste.ubuntu.com/11455973/
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61 views

Vmware not starting Ubuntu

Ubuntu is not running.Vmware shows following context: Setting SATA ALPM on host17 to max_performance...Done ... ... ***sched policy powersave OFF Setting /sys/bus/usb/devices/2-2.1 to on How to ...