GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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“The system is running in low-graphics mode” error when I Try Ubuntu without installing because I need to run boot-repair [duplicate]

Last time I was using Ubuntu/Linux it was almost 3 years ago and I have to admit I was never good at it. Today I decided to try again (14.04 LTS) with my newly-bought Acer laptop with Windows 8.1 ...
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grub rescue and unknown filesystem

My hard disk ubuntu 12.04 started showing grub rescue, unknown file system... I have used 'ls' to check the partitions (hd0, hd0,5 and hd0,1)but none of the partitions is allowing me to boot from it. ...
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1answer
83 views

Dual boot :Windows 7 partition deleted after Kubuntu 14.04 install…Weird!

I've bought two new SSD's in order to install Kubuntu on one and Win 7 on the other one. Before I had Linux Mint and Win7 together one just one SSD. So first I installed win7 as recommended, and then ...
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1answer
28 views

Ubuntu's partition not recognized?

PLEASE MAKE SURE YOU READ EVERYTHING: most people post answers that are literally out of context, which is frustrating! I am in big trouble right now. My Ubuntu partition is not recognized and ...
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1answer
25 views

Howto prevent grubpc 2.02 to display with submenu?

In the past, we could tweak grub-pc so that it simply shows all OSes/options as a simple list, slightly editing /etc/grub.d/10_linux. How can we do that in the 2.02~beta2-9 release supplied with ...
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366 views

Error GNU GRUB Version 2.02 beta 2-9 while booting from USB

I have a Sony Vaio F14212 with Windows 8 pre-installed (64 bit). Later, I upgraded to Windows 8.1. I installed Ubuntu 14.04 along with Windows 8.1 in dual boot. Unfortunately, I deleted Ubuntu drive ...
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2answers
139 views

I can't find my HDD(hard disk)

I have installed Ubuntu removing windows 7. Now i can't find my Hard disk drive. I tried these command. sudo fdisk -l it shows me there are 3 hard disk named : dev/sda1, sda2, sda5. but when i ...
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1answer
14 views

Can I change grub2 default OS from LiveCD

I can't find anywhere on the internet that has this specific question. The problem for me is I forgot my pass for Ubuntu 13.04 and now I can't use sudo commands. So now I need to change the boot and ...
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9 views

Grub Not Working After First Access of Windows.

I have just loaded Ubuntu on a Sony VAIO running Windows 8. Ubuntu was fin the first time, susequently only Windows would load. I ran Boot Manager and Grub was the boot page again and booted Ubuntu ...
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2answers
113 views

Installed Ubuntu 14.04LTS

On my laptop which came pre-installed with Windows 8.1. Felt I needed to see the competition for myself to establish which was a better OS. So I followed the channels to dual boot. All seemed fine ...
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2answers
54 views

Windows 8 not booting after manually upgrading to 14.04

I installed Ubuntu 14.04 on top of my previous 13.10 Ubuntu installation. I did it manually by formating the mount and home folders without touching the Windows partition. Apparently it didn't detect ...
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26 views

Bless doesn't fix white boot screen boot delay for single-boot Xubuntu 14.04 on Macbook 4,1

I still have a 30-second delay on the white boot-up screen before Xubuntu loads after trying various combinations of bless --device as recommended here: ...
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1answer
53 views

replacing kernel on non-booting ec2 instance

So I had an amazon ec2 instance crash during the update to 14.04LTS. Frustratingly, it appears the kernel might be bad (or at least that's what the log below says to me, I could totally be wrong). I'm ...
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1answer
151 views

Ubuntu 14.10, Mint 17 disappeared from boot after installing CentOS 6 and vice versa

I have an Intel i5 laptop with 150Gb space and partitioned into 3 parts. Ubuntu 14.10 LTS 64-bit and Mint 17 Cinnamon 64-bit installed in 2 separate partitions. The GRUB 2 bootloader works fine. Then ...
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1answer
59 views

PXe M0F and efi boot problem after ubuntu 14.04 install through efi

I just recently installed Ubuntu 14.04 on my lenovo g500,I am a bit new to terminal. I previously had windows 8(My laptop came with FREE DOS per-installed) on my laptop and decide to change it with ...
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34 views

Every time to boot my system, the brightness get reset to 100%

Earlier , I couldn't even change the screen brightness by any means(Fn keys and Brightness settings).Then I came across a solution , which required me to edit the following lines ...
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2answers
261 views

GRUB2 not working after installing xubuntu 14.04

I have a vaio laptop and it used to have installed windows 8 and Xubuntu 13.04 in dual boot, everything was working fine. I decided to update my version of xubuntu 14.04 LTS mainly because the ...
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11 views

Installation Failed Due To Partition

When i tried to install ubuntu 13.10 instead of red hat , something like /dev/mapper/volgroup showed up in my installation type screen, and during the install it ended up showing that grub is failed ...
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37 views

System boots straight to Windows after installing Ubuntu 14.04

I have this notebook that came with Windows 8 pre-installed. I resized its partition, created a new one and installed Ubuntu 12.04 on the new one. However, since 12.04 lacked some drivers I needed, I ...
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1answer
78 views

Not seeing Plymouth graphical boot-up screen until end of boot process

after reverting back from BURG to GNU GRUB2, I noticed that the purple Plymouth loading screen wasn't appearing until the very end of the boot-up process, when it flashed up for about a second. ...
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2answers
173 views

Error:No Such Device … Grub Rescue>_ [duplicate]

I am a totally new Ubuntu user. I had Windows 7 and Ubuntu 14.04LTS side by side.I have 2 HDD- one 160 GB and 1TB. I decided to delete ubuntu and change to ubuntu 12.04 as 14.04 does not have much ...
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23 views

How to Fix dual boot with partition located more than 100 gig away from disk start

am having a problem repair grub to dual boot on my system my laptop came with original windows 8, thus an efi system. u successfully installed ubuntu 13.04 on it, located on a seperate partition (30 ...
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1answer
99 views

Windows XP with Ubuntu 14.04 on 2 separate hard drives [duplicate]

I am new to Ubuntu. I have Windows XP Professional 32-bit on one 300GB IDE hard drive and Ubuntu 14.04 running on another 61GB IDE hard drive, and I cannot get my Windows XP to boot with Grub! When I ...
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3answers
67 views

How can I permanently remove the boot option “quiet splash”?

When booting, I'd like to see the kernel output without having to edit the GRUB line on each boot. How can I do that?
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129 views

Dual-boot windows 8.1 uefi and ubuntu, grub not showing

Before starting, I'd like to point out that after checking out alot of topics on the forum, I still haven't found a solution that works for me, so I hope this doesn't get flagged as a quesiton already ...
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28 views

Grub shows some time and does show some time

I have only ubuntu-gnome 14.04 on my laptop when i am booting into my system some times only show's the grub. Any way I don't need the grub any more but, if I have to get into generic mode to reset my ...
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1answer
38 views

Ubuntu dual boot not repaired by boot-repair after installing windows 7

I reinstalled windows 7 on my dual boot machine (thinkpad x220). Nowto get back the bootmenu I followed https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows Boot-repair says ...
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38 views

How do i boot directly into wayland

What all changes should I make in order to boot straight into Wayland/Weston. What I've tried is that I've made changes to GRUB_CMDLINE_LINUX_DEFAULT="text" and that gives me a cli prompt at boot ...
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22 views

Problem with grub booting to ubuntu command prompt

So I was trying to get my ubuntu server to boot to command line to reduce graphical overhead. I followed the instructions from this thread here. Now when I boot I get to the grub screen, Click enter ...
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1answer
39 views

How to force update-grub to use UUID?

When I run "update-grub", the file "grub.cfg" will contain lines like this. menuentry 'Ubuntu...' { ... linux /boot/vmlinuz... root=/dev/md124 ... ... } For the line of linux, is it ...
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1answer
169 views

Ubuntu 12.04 stuck at boot splash screen

This has happened to me 3 times now, so it is definitely something I am doing. I'm hoping someone else has seen this or knows what the problem is. First, I installed Ubuntu 12.04 from the ...
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1answer
111 views

Ubuntu 14.04 fails to start or wake up

I'm facing one or more problems with my Ubuntu 14.04 system. The machine refuses to start (cold boot) sometimes. I adapted my Grub settings as follow: GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=2 ...
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2answers
20 views

Error message on ubuntu 13.10 Aspire 4741Z machine

"Unknown Error: 'class 'SystemError' (E:The package Linux-image-extra-3.11.0-17-generic needs to be reinstalled, but I can't find an archive for it.)' This error appeared and struck completely the ...
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174 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
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2answers
62 views

Dual Boot, Dual Hard Drives!

I'm posting this question after reading most of similar ones. My situation is different here in the fact that I'm installing on SSD and not partitioning my HDD, and that I can actually boot! I'm just ...
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109 views

installation on Asus Zenbook UX301LA

I am afraid I messed up things pretty badly while trying to install Ubuntu 14.04 or Mint 17 on a brand new Asus Zenbook UX301LA. The situation is: I am pretty sure that I have destroyed Windows8 ...
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74 views

Blank screen booting Ubuntu 14.04 iso on 2011 Macbook Pro 17"

Macbook Pro (17-inch, Late 2011) I've tried booting from the official Ubuntu-14.04 desktop iso, and I can get to the grub menu, however choosing either "try ubuntu" or "install ubuntu" results in a ...
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1answer
58 views

How to do a dual boot of two Ubuntu operating systems?

This problem is little bit different than other similar ones. I have a clone image of Ubuntu production system and plan to propagate it to two different partitions (e.g., /dev/sda1, /dev/sda2). How ...
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1answer
147 views

Grub installation failed with fresh installation 14.04 on VMware ESX 5.1

I'm trying to install server 14.04 on VMware ESX 5.1 and received grub installation failed error grub-pc package failed to install into /target/ I used normal BIOS, not EFI. Tried only installing ...
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37 views

Reboot after upgrade (13.10 to 14.04) doesn't work

The Upgrade went fine, but after the reboot I cant start Ubuntu. I can get into recovery mode but when I select a option there, it comes to a shell and nothing happen. Could anybody help me please ...
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0answers
107 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 ...
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0answers
16 views

How to recover my Xubuntu from GRUB running on VMware?

I am using Xubuntu 12.04 on VMware. When I boot, GRUB shows up and so I tried to find some way to recover my Xubuntu from GRUB. While looking for it , I found this. I suppose it will resolve my ...
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1answer
55 views

Grub update warning in Ubuntu 14.04

I tried to update Grub so I run: sudo update-grub Generating grub configuration file ... Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. ...
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1answer
53 views

grub-install dummy fails. this is a fatal error

I am new to this but I have watched many video how to dual boot Ubuntu with windows 8. I have HP pavilion g6 notebook with 4 GB RAM and Intel i5 processor. I am installing Ubuntu 13.10 with windows 8. ...
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1answer
48 views

Laptop won't boot after I deleted Ubuntu partition

I'd installed an Ubuntu distro alongside Windows 8 that I didn't like. I was going to replace it with standard Ubuntu, but it was having trouble, so I deleted the Ubuntu partition from Windows 8. I ...
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2answers
55 views

Truecrypted Windows 7 missing in Grub2 after upgrade

I have an encrypted dual boot Windows 7/Ubuntu System and upgraded my Ubuntu today. Everything went smooth but my Windows is not shown in the Grub2-List anymore. Starting up I have the Truecrypt ...
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49 views

Failed to Install some files when upgrading from 13.10 to 14.4

I commenced an upgrade from 13.10 to 14.40. the program then asked when it had Finished, if I would like to delete files that were not used, to which I answered yes. On rebooting the computer to ...
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2answers
145 views

Cannot access Windows via grub after new dual-boot Ubuntu install

I previously installed Ubuntu on a computer that had Windows XP on it and got it successfully to run alongside it. (access both OS systems) Now I installed Ubuntu again on my MSI notebook with ...
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48 views

Restore grub boot-loader

I have a disk partitioned this way: /dev/sda /dev/sda1 NTFS Windows 8 /dev/sda2 NTFS Reserved for the sys (Win 8) /dev/sda3 ext4 Ubuntu 14.04 /dev/sda4 Swap partition /dev/sda5 NTFS Data store ...
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1answer
47 views

After boot repair laptop boots straight to windows 8 without grub - no solution for a week now

This is a repost because my original post was marked as having a solution/duplicate somewhere else and I read those solutions before and tried them countless times with no success. I followed the ...