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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Accessing Windows 8 Hibernated Partition over Ubuntu

I installed Ubuntu alongside Windows-8. Ubuntu works well. Windows-8 is unaccessible because of MBR error. Then, i logged in to Ubuntu and tried to access windows partition (under C:, all of my ...
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Right way to completely clean up old kernels in terminal

I have been going through various questions about how to clean up old Linux kernels. They all seem to have different answers and they are old, so someone is bound to say the question is too old and ...
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grub recovery after partition deleted

So after getting an error when trying to update my Ubuntu partition I decided to delete it and start over. Did it from windows and now I can't boot into either. Did some research and every thing I ...
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1answer
24 views

Windows Invalidated after GParted partition?

I installed Ubuntu 14.10 on my computer on a tiny 20 GB Partition. I decided this was far too small, so I used GParted, resized the partition to an 80 GB partition, and Reinstalled the GRUB ...
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9 views

After installing Linux, booting up computer shows no bootable device found

However, I can still boot to windows or ubuntu by selecting a specific disk to boot to. It seems that the computer won't go to grub when turned on. Here is some more info: ...
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1answer
21 views

new motherboard, old disk: “Gave up waiting for root device”, dropping to initramfs; grub reinstallation doesn't help [on hold]

I want to use a new motherboard with an old disk. The disk has just one partition, with Debian/jessie installed. On booting, Debian is found and begins to start up with usual dmesg output lines. After ...
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1answer
44 views

Grub doesn't appear Ubuntu 14.04

I have a problem when I start my computer. The problem is that when I start the computer, grub doesn't appear but it is installed. Firstly, I installed Ubuntu instead of Fedora 21 (I had Windows 8.1 ...
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19 views

Remove GRUB Bootloader from Mac Yosemite

I've seen the posts here: Remove Grub Loader from Mac - USB Thumbdrive installation and here: http://hints.macworld.com/article.php?story=20091111185717745 but I've got Yosemite, and in Disk ...
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24 views

adding windows 8 entry in grub

i have windows 8 in my hard disk and i installed Kali on a pen drive disk(not live). after installing i could not boot into windows i un-installed Kali but grub is still my boot loader and it does not ...
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13 views

Disabling IRQ #11

I am kind of a noob with linux. I know simple commands like sudo apt-get and things like that. But I have been having problems with my computer. a lot of times I will start my computer and it will ...
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22 views

Unable to automatically boot to grub

I am running ubuntu 14.10 in dual-boot with Windows 8.1, and I was having no trouble until I tried testing out TAILS and couldn't find it in grub, so I installed rEFInd. I later tried uninstalling it, ...
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12 views

Booting from USB sends me to Grub Rescue Mode

I have Ubuntu 14.10 and I followed the instructions here perfectly and I used the BIOS to boot from my USB (F12, InsydeH20) and after a few seconds, it sended me to Grub rescue mode. Whenever I boot ...
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13 views

Installed Ubuntu on Mac (no dual boot), now am stuck in grub rescue mode

Prior to attempting to totally eliminate OS X from my Macbook Pro, I had had a dual boot through rEFIt. rEFIt gave the option for either OS X or Linux Mint. It worked fine until I updated my OS X to ...
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17 views

On a Ubuntu PC graphics became slow and jumpy after making changes with GRUB2

On my Ubuntu system all worked well until I created a separate dedicated boot partition and got GRUB2 working on that partition... It boots, but my graphics became slow and jumpy. The resolution is ...
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2answers
24 views

Choosing OS grub screen not displaying

I installed Windows 7 after Ubuntu 14.04. I recovery GRUB, but when I start system the Grub window where I need to choose the OS not display, and Ubuntu loads by default. What did I do wrong?
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25 views

(GER) Wide font in Ubuntu at Start-up, unreadable/blurry

When I boot my laptop, I see messages that tell me what happens during boot using an unreadable/blurry font. When I change /etc/default/grub and set GRUB_CMDLINE_LINUX_DEFAULT="quiet splash ...
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21 views

Ubuntu Desktop 14.10 on Lenovo G505s Purple Screen Problem

Alright, I have been on every forum and website I can think of to fix this but with no success. My system specs are as follows: Lenovo G505s- AMD A10-5750M, 16 GB DDR3 RAM, AMD Radeon 8570M 2 GB, ...
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1answer
34 views

After installing xubuntu, I did not get a boot loader, help?

I searched on google and tried the boot repair program that you install on a flashdrive and boot from it to reinstal/fix grub but when I use the program, I get an error that says "The boot of your pc ...
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2answers
34 views

No boot loader is installed in the MBR of /dev/sda

I just did a boot-repair because I can't run windows 8.1 from the grub (I see many options but none works) and I got this result: http://paste.ubuntu.com/9558801/ My question is : Should I care about ...
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27 views

How to add Windows 7 to grub menu

I have netbook with Windows 7 on the first partition (no 100 mb partition) and a second partition with Ubuntu 14.04 installed from pen drive. The boot manager grub I installed selecting the whole ...
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8 views

How do I set up necessary partitions when booting from hardrive? [on hold]

Here's my issue. The laptop I just bought comes pre-loaded with Zorin OS while im looking to install Elementary os.I need to repartition harddrive I have iso installed on Here are the steps I took. ...
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5 views

GNU GRUB version 1.99-12ubuntu5 won't stop coming up

Okay, I'm kind of new to using a Ubuntu so I'm not exactly sure what all the controls and commands are but one day I was getting on the Ubuntu and all it displayed was GNU GRUB version ...
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1answer
34 views

Adding Win7 to Ubuntu through Ubuntu dual booting

I really need some step by step help here. I know I need to change the partitions of ubuntu to add my win7 boot up here. However, I have not been able to get this to work right. Problematic in that ...
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19 views

Fresh install of 14.04 - Gave up waiting for root device

I hope you can help me. I've read many, many questions and solutions to my problem on here, however so far I have been unsuccessful in resolving the issue. The system is a Asrock e350m1, 4GB RAM, ...
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22 views

Grub does not start anymore after removing a btrfs partition

I'm using Ubuntu 14.10. Consider the following setup: ubuntu@ubuntu:~$ sudo blkid /dev/sdb1: UUID="0dde146f-ebdc-472d-83a2-48104e23cb8f" TYPE="swap" PARTUUID="00061e41-01" /dev/sdb5: ...
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24 views

Ubuntu not booting (Busybox) **DATA RECOVERY**

I have been using ubuntu for a while now. On one of my laptops (which has a broken battery and needs to be plugged in to work). I had overloaded it, therefore I took the charger out (stupid me) and ...
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1answer
14 views

Getting error after ubuntu 12.04 update

I was using 'ubuntu 12.04'. Windows7 is already installed in the system. I am getting the following error when I try to update Ubuntu (sudo get-apt update) GNU GRUB version ...
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8 views

iseWhy won't Grub2 recognize Ubuntu 14.04 installs on sda5 and sda6 partitions?

I wonder is there is a problem getting Grub2 to recognize installs on partitions in the logical partition? Would explain why the installs in sda5 and sda6 of Ubuntu 14.04 are not getting picked up.
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25 views

how to encrypt a dual booted Ubuntu and win7 system

I am very new to Linux and I wanted to encrypt my newly installed Ubuntu system. Only issue is that I have a dual booted system with Win7, and when I tried to install the Ubuntu alongside with win7 it ...
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1answer
33 views

Grub Disappearing Everytime i reboot

This started happening few days back. Everytime i restart my laptop, i get "Operating System Not found error". Used Boot-Repair Many times to reinstall Grub. But this keeps happening again. Attaching ...
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1answer
29 views

Dual boot Ubuntu and encrypted Windows 7

I have a work laptop with Windows 7 installed using Check Point Full Disk Encryption. The HDD was dying, so I installed a larger SSD and copied the contents of the old HDD over to it using dd. So far ...
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1answer
40 views

ubuntu 14.04 will not boot after installing alongside windows 7

Initially, after the installation, i was only able to boot into windows 7 as normal. I installed Easybcd and put in the relevant info etc but it still will not boot into ubuntu... i have tried all ...
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1answer
47 views

Reinstall GRUB for multiple OS

On my PC, I have Ubuntu 14.04 and Mageia distribution. Recently I installed Windows 7 on a partition but could not get my grub back. I tried boot-repair but in vain and mageia is getting loaded. How ...
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19 views

Grub2 does not recognize multiple boot partitions with Ubuntu 14.04 installed on each

I had Ubuntu 10.04 or 12.04 installed on three partitions of my 1T byte hard drive. I decided to upgrade all three and downloaded and burned 14.04.1 to a DVD disk using Brasero for the burn process. ...
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12 views

Is there anything special I would need to do to install 12.04 alongside 14.10?

I have 14.10 installed on my laptop. I want to install 12.04 as well on a small partition just in case something happens to the 14.10 I'll still have a working computer. Is there anything special I ...
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0answers
30 views

iMac will not boot OS X after installing Ubuntu

I installed Ubuntu alongside Mac OS X on my iMac, following HowToGeek's tutorial. Whenever I boot, I get GRUB with the following options: Ubuntu Advanced Options for Ubuntu Mac OS X 32-bit Mac OS ...
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1answer
60 views

Cannot boot, laptop screen doesn't work, may have broken grub

My laptop's built in screen has been out of commission for awhile, which usually isn't a problem since I use an external monitor, but the GRUB/BIOS menus don't appear on the external monitor. I was ...
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1answer
47 views

No such device grub rescue, tried many solution

I have tried to bootrepair, which gave me error this: sudo grub-install --root-directory=/mnt /dev/sda1 grub-probe: error: failed to get canonical path of `/cow'. Installing for i386-pc platform. ...
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1answer
67 views

GRUB see LVM disk with Kubuntu only after enter to BIOS

I have a boot problem. I've installed Kubuntu 13.10 from a standard image file (using the standard installer) without manual partitioning. During the set-up process I chose the option "Setup on ...
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18 views

grub2 not showing in full screen

I changed my grub2 settings to 1920x1080, but when the menu option shows during bootup, it's not in full screen (it has black bars at the top, bottom, & sides. I have a 27" monitor, and was ...
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1answer
25 views

while upgrade and installing any software got error E: Sub-process /usr/bin/dpkg returned an error code (2)

sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be REMOVED: ...
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0answers
42 views

Dual Boot WIn8.1 and Ubuntu 14.04 messed up with easyBCD [duplicate]

So i successfully installed Ubuntu 14.04 LTS alongside my preinstalled win 8.1. But then i tried messing with easyBCD 2.2. So after choosing easyBCD option to restore everything to default settings i ...
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2answers
60 views

Windows 8 dual-boot: bootloader problem (grub)

I currently have a dual-boot system with Windows 8 and Ubuntu 14.04, on separate hard disks. I have installed the Grub bootloader using the Boot-Repair tool; however, it seems that whenever I boot ...
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2answers
28 views

LUbuntu OS and the drive on which it was installed both MISSING!

I have 2 hard drives on my machine. One 500GB(master drive) and one 40GB(slave drive). I originally had Windows 7 installed on my first drive(i.e. 500GB drive). I am planning to install LUbuntu ...
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1answer
162 views

How to use NVIDIA GTX 970 GPU?

I have NVIDIA GTX 970 GPU, which is pretty new chip and it is not recognized by nouveau driver shipped with Ubuntu 14.10, hence I am stuck on 1024x768 resolution on Full HD monitor - not so good. ...
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2answers
71 views

Install Ubuntu 14.04.1 LTS without losing Windows 7 bootloader

I want to install Ubuntu 14.04.1 LTS alongside with Windows 7. But there is one issue that if I install Ubuntu, I will lose Windows 7 bootloader and it will replace GRUB bootloader instead of ...
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184 views

After Dual-Boot, Starting Ubuntu Ends At Purple Screen

I recently dual-booted my laptop with Ubuntu 14.04 and Windows 7. However, every time I try to start Ubuntu from Grub, it ends at a purple screen and the fan kicks on high. This is also the case when ...
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0answers
19 views

How to prevent Ubuntu from installing a bootloader? [duplicate]

I want to know if it is possible to prevent ubuntu from installing a bootloader in UEFI install mode as to use gummiboot, my current boot manager which works just great for Arch. My objective would ...
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0answers
65 views

Windows 8.1 not booting after installed the Ubuntu [closed]

I have installed Ubuntu 13.04 with p reinstalled Windows 8.1 in a UEFI mode, after that my laptop directly boots into Ubuntu. Then, I changed the BIOS settings and logged into Windows 8.1, installed ...
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1answer
23 views

Already dual booting windows and ubuntu but want to install latest ubuntu on another hard drive

so currently I'm already dual booting windows and ubuntu. I've bought a new hard drive where I want to install the latest ubuntu but I want to keep my current setup whilst I make the transition to my ...