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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Windows 8 and Ubuntu 14.04 (Windows will not load - Loops prepairing to repair windows) Asus ROG G750JW

I have windows 8 on my first drive which is 1 TB and Ubuntu on the secondary drive which is 500 GB. I attempted installing grub2 and updating. (See pictures below to see partitions) I followed this ...
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157 views

Why do I have duplicate “ubuntu” entries in my boot loader menu?

When I enter my boot menu, I see two entries labeled "[ubuntu]" that load exactly the same operating system. The recovery entry is also missing. I ran Boot Info Script, which typically covers ...
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33 views

Deploy ubuntu with MAAS fails

I have a problem with the Ubuntu deploying with MAAS. I'm trying to install Ubuntu on a KVM virtual machine. The boot with pxe works, I see the login prompt during the deploying, the server connect ...
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28 views

Install Grub on USB drive / Vaio Pro 13

I'm somewhat inexperienced with Linux. I'm having quite a hard time booting Ubuntu 14.04 along side Windows on my Vaio Pro 13. I've tried using every method I've found on forums but no matter what, I ...
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27 views

Play a video at first boot

i have created my own distro. I want to play a welcome video after the installation completes and the computer restarts. can i do that in remastersys by editing the configuration files. i have no ...
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864 views

How to get rid of the “scanning for btrfs file systems” at start-up?

At start-up, I see the message Scanning for btrfs file systems. How can I get rid of it? I have tried to remove the package with sudo apt-get purge btrfs-tools, but it just shows a blank screen ...
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347 views

After install grub boot loader does not show

I' m having some trouble finalizing my Ubuntu setup. I have installed Ubuntu 14.04 on my Windows 7 Acer, K95V and I just can't get to the boot loader. The current situation is that it just boots up ...
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36 views

cant boot windows 8 or ubuntu!

I 've recently bought a laptop with windows 8 and can't stand it. Though I need to keep it for some software I use at work.. I was advised to install ubuntu and have it set as dual boot. One ...
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3k views

Software raid 1 on ubuntu 14.04 desktop

I am trying to setup Sofware RAID 1 for my ubuntu desktop (14.04) Unfortunately desktop installer no longer supports RAID1 configuration. Therefore I am trying to manually set this up. I followed ...
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71 views

PLoP Bootmanager not loading from GRUB, Attemped dual-boot with Windows 7

so I recently tried to get PLoP Bootmanager working on an HP Pavilion 2000 Series, I had to tweak the settings to make it load though, however, when I try to load it, I get something about "zram does ...
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957 views

Ubuntu 14.04 bootloader install failed

Hi today I decides to upgrade from 12.04 to 14.04. Everything worked in the last moment, a message poped up saying that my bootloader install had failed and would not let me install it on a different ...
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416 views

/boot/grub/device.map is missing on Ubuntu 14.04

The device map file /boot/grub/device.map is in this format: (disk) /dev/device So, for example, on a system with a floppy and a single SCSI disk, the file would look like this: (fd0) /dev/fd0 ...
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173 views

Can only boot in recovery mode and resuming normal boot, but then Ubuntu gets very slow after resuming normal boot

I've just installed Ubuntu 14.04(Ubuntu only no windows) and I'm not able to do a normal boot, screen freezes. I have to go to recovery mode and then "resume normal boot" to start Ubuntu. That would ...
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39 views

Booting briefly shows CLI login and then black

When I boot to Ubuntu on my dualboot system, it appears to boot normally, up to the point when I would normally expect to see the lightDM graphical login screen. However, I see a CLI login screen, ...
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167 views

Grub rescue - error: unknown filesystem unable to find solution from current answer

hii guys i have recently install ubuntu 14.04 on my vaio after that i have srinked a volume from windows 7 after that i am unable to start my laptop. the error is Grub rescue - error: unknown ...
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708 views

Ubuntu 14.04 LTS Boot-Repair Error

I always like to start by apologizing just in case this is a duplicate question, but I don't really know what to ask, so I don't know what to look for. With that being said, I'm running a Lenovo V570 ...
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56 views

GRUB problem after creating new partition - not able to boot live-cd

I've created a new NTFS partition under windows - after reebooting I've received the following error: Unknown file system Entering rescue mode Grub rescue > I would've booted one of my ubuntu live ...
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96 views

no GRUB menu bootloader option

I have used Ubuntu distribution in my HP laptop along with Windows 7 dual-boot before. But due to some mistakes while partitioning using windows default partition tool, I formatted my system drives ...
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100 views

Ubuntu 12.04 GUI not working after installation

So, I installed Ubuntu 12.04 (via Unetbootin) onto my hard drive (I did not use a live boot disk to accomplish this task). After the installation when I boot up I get 2/4 orange dots and half of the ...
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226 views

Ubuntu 14.04 lost cores on AMD CPU

It seems that I have a problem. Installed 14.04 a few days ago, everything was smooth sailing until yesterday it wouldn't boot up. Recovery mode says that CPU's 1-6 don't respond. After 7 it moves ...
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152 views

Operating System not found, win7 dual boot

After installing 14.04 from a liveUSB alongside windows 7 and encountering no problems for about a week, I shut down windows and rebooted only to see the "Operating system not found" message and being ...
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124 views

Ubuntu 12.04 slow boot on ASUS, attached with dmesg and bootchart

I heard that Ubuntu can boot up around 30sec, but I take more than 60sec every time my Ubuntu boot. I also read some forum said need to post the dmesg and bootchart to identify which process slowing ...
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15 views

Purple screen only on resume from hibernate

This might be a duplicate, apologies if it is... I couldn't find anything exactly identical. My system boots up just fine. But whenever it tries to resume from hibernation, I get to GRUB and then it ...
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63 views

How to Access Windows Partition/Drives

I installed Ubuntu 13.10 from bootable Pen Drive and during the installation I had overwritten it on previously run Windows 7. Now I am unable to access the Windows partition D Drive, E Drive, F Drive ...
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1k views

Getting “read failed after 0 of 4096 at xxxxxx: Input/output error” error for LVM

I have system with Ubuntu 12.04. On this system used LVM for managing disk drives and similar mass-storage devices. When I used lvscan command for scanning all the logical volumes then it displayed ...
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37 views

Add 30 seconds to boot in dmsg for no apparent reason

I'm struggling with this one for some time already with no luck... Mu boot process add 30 seconds around root and swap partitions mount: [ 3.098501] Switched to clocksource tsc [ 4.692473] ...
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333 views

Macbook Pro 13 inch (2013 Haswell Retina) - Unable to Install Ubuntu 14.04

I just tried installing Ubuntu 14.04 on my Macbook Pro (2013 Haswell Retina) laptop and it doesn't work. I'm using the rEFInd bootloader and I've been able to load the live CD and run Ubuntu without ...
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1k views

Ubuntu 14.04 Manual Hard Drive Partitioning Help Needed

I'm in need of some assistance with manual partitioning from the Ubuntu 14.04 install GUI. I'm trying to do a fresh install of Ubuntu 14.04 desktop. I have a 60GB SSD as that I want all my OS files ...
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104 views

Can't boot after 14.04 upgrade

Dual boot from 2 hard drives (win7, U13.10). Been running good for months (year?). Auto upgraded to 14.04 over night. Got up in the morning, and it won't boot into Ubuntu. It says it can't find the ...
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227 views

How do you repair a non-booting Windows 8.1 installation after updating to Ubuntu 14.04?

I have dual boot set-up with Windows 8.1(original OS) and Ubuntu 14.10. Recently, Windows stopped booting. I am presented with a 'Recovery' screen with the Error Code: 0xc0000225. Windows stopped ...
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51 views

How to install a Ubuntu 14.04 System on a 128 GB USB

I have been able to do this with an 8GB USB but when trying to do the same on a 128GB USB get various error codes talking about partitions and Mount problems. Can anyone give me clear instructions ...
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105 views

Fresh install of 14.04, can't boot

I had Fedora 20 installed on my laptop, but last night I used UNetbootin to make a bootable Ubuntu USB stick. Installed Ubuntu 14.04, everything went fine, but when I restarted the laptop I got a ...
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30 views

Recovering the Encryption Password Method

my question is that i am installing the ubuntu 12.04 and gave the encryption password at the time of installation but i forget the encryption password so how to recover or change the password without ...
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54 views

T440s Stops Booting into GRUB after a random period of time

I have a new Thinkpad T440s. Here are my specifications: Intel 4600U 12GB (4GB integrated, 8GB stick) DDR3 1600 Samsung 840 SSD 250GB Sandisk SSD 16GB This problem has been a real brain buster as I ...
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33 views

Automatically detecting and outputing to s-video at startup

After combing the Internet I have developed a script that is capable of checking whether I have a monitor connected to my VGA port and switching to my s-video port if not #!/bin/bash # if no vga then ...
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420 views

Strange ethernet behaviour of Ubuntu 14.04 on Fujitsu Esprimo P720 E90+

after I had openSuse running on this machine without Ethernet issues, I installed Ubuntu 14.04 and ran into a weired Ethernet problem. My colleague has Ubuntu 12.04 on the same type of computer and no ...
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257 views

Unable to boot following update to Trusty, get “NMI handler taking too long” mesage

Following my updating to 14.04 I can no longer boot into the system. I see lots of white text on a black background most of it makes no sense to me but I see "NMI handler took too long to run" and ...
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35 views

System hangs on boot, black/purple screen

I can't boot my system. I set nomodeset and removed splash/quiet in GRUB. That causes a lot of boot text to go by, then the screen goes blank and that's it. Attempting to get to the shell ...
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111 views

I just installed Ubuntu 14.04 but there is not boot option

I have a notebook with win 8 (UEFI) on it so I decided to install ubuntu 14.04. I installed it on NOT UEFI mode I created 2 partitions a swap memory and then an ext4 and installed ubuntu everything ...
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86 views

Ubuntu 13.10 continuous beeping

I'm using Ubuntu 13.1064b on a Dell Inspiron N5010. Sometimes when I boot into Ubuntu, I get a continuous beeping noise on my sound card output. My laptop's internal speakers stopped working a long ...
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43 views

how to get ubuntu to load via DVD onto pc on xp

Downloaded the 32bit Desktop 14.04 version using a Windows 7 laptop. I have checked the download using winMD5SUM - ok- and burned a DVD using Deepburner. After several tries at booting the pc in ...
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220 views

BusyBox: dropping to build-in shell: initramfs problem with encrypted hard drive

I tried to do an upgrade from 13.10 to 14.04 on my laptop. When I came back a bit later, the machine had crashed. I restarted it and it had got in a pickle halfway through the upgrade process. I did ...
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129 views

Open multiple LUKS partitions at boot

I have a setup where I have 4 LUKS partitions that need to be mounted at boot time in order to assemble a RAID10 btrfs partition holding the root partition of my system. I was able to finalize the ...
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743 views

Reinstalling Grub - shows no volume groups found, how do you fix this?

I have a full backup which I had restored onto a new built system on Ubuntu 12.04 The backup did not include /dev /proc /sys folders. Upon rebooting, the grub show the following errors error: no ...
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667 views

Linux stops at “Switched to clocksource tsc” after fresh install of 14.04 — Setup or reinstall?

I've been looking forward to installing the latest greatest daily build of Ubuntu 14.04 into my 'new' X301 Lenovo, which seemed promising as the OS preview from live USB worked rather well. ...
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32 views

Unable to install on Toshiba P25-S507 laptop

Trying to get Ubuntu to install on an old Toshiba P25-S507 Laptop but not having any luck at all, tried from DVD downloaded online, tried from usb stick, tried using cd boot helper which gives me an ...
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249 views

Ubuntu 14.04 LTS will not go past grub2 menu

I have a HP Pro 3130 MT and just did a fresh install of Unbuntu 14.04 64-bit. When I restart, instead of getting a ubuntu logo or going to the login page, the OS takes me to the grub2 screen that has ...
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138 views

how do i get grub-customizer to change appearance on grub screen?

in Linuxmint 16, installed grub-customizer. changed Font size, colors, put in png picture and looks terrific IN GRUB-CUSOMIZER...but DOES NOT AFFECT the boot up grub screen in any way. still shows up ...
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100 views

HDD and USB drives refuses to boot, just sends me to Grub-Rescue

I have 2 Hard drives installed in my computer. On one hard drive, I had Ubuntu 14.04 and the other was a Windows 7 HDD. Today I had to delete the Ubuntu HDD. I did this from my Win7 Partition ...
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163 views

Booting problems after update

Yesterday I updated my laptop (Lenovo ThinkPad T440p) to Ubuntu 14.04. Afterwards I restarted the laptop, but the operating system wouldn't start. I can''t get into the booting menu to choose Ubuntu ...