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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Windows 10 Technical Preview not in GRUB

I've installed Ubuntu 15.04 a while ago. Then I followed guides like this one on how to install windows after Ubuntu and I installed Windows 10 Technical Preview after Ubuntu. Then I booted up from a ...
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Grub does not install, setting up dualboot 14.04 with Windows 8.1

I have a Dell Inspiron 15, 1Tb HDD and 8Gb SSD, with pre-installed Windows 8.1. I have been trying for an embarrassing amount of time to set up dualboot with Ubuntu 14.04. I have gone through these ...
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1answer
17 views

Mount the EFI volume on a Sony VIAO Tap 20 running Windows 8.1

First time installer of Ubuntu. I have installed Ubuntu as dual-boot system onto a Sony VIAO Tap 20 running Windows 8.1. When the computer reboots, GRUB2 does not appear: the computer launches ...
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1answer
16 views

Boot repair doesn't help me. What I should do?

This is the link gived to me by Boot-Repair: http://paste.ubuntu.com/11835577/ I can't enter to my ubuntu, When I try it it puts this: Minimal BASH-like line editing is supported. These is my ...
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17 views

Separating dual booting systems from one hard disk to different hard disks

Due to my recent hardware upgrade I'm planning to separate the two dual booting operating systems that I have (Ubuntu 12.04 and Windows 7), onto two different hard disks from the partitions on which ...
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1answer
15 views

Not able to make Windows as a default OS in GRUB2

This is how my grub.cfg looks like: 1 # If you change this file, run 'update-grub' afterwards to update 2 # /boot/grub/grub.cfg. 3 # For full documentation of the options in this file, see: 4 ...
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1answer
21 views

Windows 8.1 / Ubuntu 14.04 dual boot: grub does not appear

First time installing Ubuntu. I have followed the instructions here, with the difference that: I had already used Windows to create 3 partitions for Ubuntu. This line in step 7 did not work: sudo ...
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1answer
11 views

Windows won't load and neither will Ubuntu after removing ubuntu partitions

I know they'res already many posts about grub problems, but none of them apply to me.I'm using windows 8.1. I deleted two of the linux partitioms from windows disc manager. However, two of them still ...
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16 views

Installing Ubuntu on seperate drive without USB or CD

So I just recently acquired an SSD,(sda) I'm currently running ubuntu from a 3TB HDD (sdb) I want to install ubuntu on my SSD and remove it from the HDD to use just as storage. my bios doesn't seem ...
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1answer
11 views

Factory Reset, lost grub, never upgraded from 12.0.4

Windows 7 partition difficulties due to anti-virus problems. Slow boot, could not shutdown without power down Have separate partition with Ubuntu GNOME 12.0.4. Tries to restore Win 7 from boot. ...
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13 views

black screen if using quiet splash

i have some problem in ubuntu gnome 14.04.2 LTS. I have a black screen when I first turn on my Ubuntu. but I can handle it by replacing the "quiet splash" with "nomodeset". but the other problem is ...
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15 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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1answer
35 views

Panic Error on Boot - Ubuntu 14.4

I recently did an update on my machine and ever since Ubuntu will not boot properly. I get an error message and I have to go into recovery mode in order to start the boot process. I have tried ...
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17 views

Can't set uefi boot order. Faulty firmware? [duplicate]

I am trying to change boot order on my UEFI GPT system (because of preinstalled Windows 8.1) on my HP Envy 15. Successfully installed ubuntu alongside windows. Boot-repair said it successfully did ...
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18 views

Boot problems after gparted-live and boot-repair

I removed Windows 8 using gparted Live CD and used the resulting unallocated space to enlarge my ubuntu partitions. After doing it, the dual boot grub I had was useless so I ran boot-repair from a ...
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1answer
26 views

Is it possible to boot faster with Windows 8.1 when dual booted with Ubuntu (14.04)?

Is it possible to boot faster with Windows 8.1 when dual booted with Ubuntu (14.04)? I am familiar of fast boot being disabled during installation of Ubuntu. Does that mean Windows will always boot ...
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14 views

grub not showing and rebooting loop after using boot-repair in ubuntu14.04

I installed Ubuntu 14.04 after removing windows.The grub menu was not visible(black),but i can boot into ubuntu.So i installed boot repair and used recommended repair. It downloaded and installed new ...
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29 views

How can I dual boot the Windows 8.1 and ubuntu 15.04 with a trick?

I have installed Ubuntu 15.04 onto my Windows 8.1 UEFI SONY VAIO laptop. I installed Ubuntu by clicking 'something else' in the installation window. I then made 2 partitions: / and a swap partition. ...
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23 views

Cannot boot into Windows Vista from grub menu

I had installed Ubuntu 14.04 on Already installed Windows Vista on the same partition /dev/sda. I have the older BIOS based laptop NOT UEFI. I was able to work on both Ubuntu and Windows selecting ...
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16 views

no bootloader. only grub screen appeara

Windows 7 and Ubuntu were installed on my laptop . it was working zsmoothly until now. The bootloader dosen't show up and grub shows up instead
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2answers
34 views

An interesting case of Dual Boot Shenanigans. (dell inspiron 7000)

So, my harddrive recently went bust under warranty. As such, Dell shipped me a replacement. And a USB stick containing a full windows 8 installation and repair media. In the land of OEM installs and ...
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how to get GRUB or the Windows Bootloader to load Windows 8.1 and Linux Mint Cinammon 17.2 [on hold]

I set up a dual boot with Windows 8.1 and Linux Mint Cinnamon 17.2, and i can access either of these if I change boot priority in the Bios Menu, but I can't access them from the Windows Bootloader or ...
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1answer
24 views

winusb installing windows

m novice to ubuntu, and pretty novice to termianl and commands I followed commands on this page "Installing WinUSB on Ubuntu 14.04" to install winusb. lastly it asked where to install or upgrade ...
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1answer
11 views

How can install the catalyst/flgrx driver, for only a single kernel version (or GRUB menu entry)?

A while ago, I attempted to install flgrx on a machine with an AMD/ATI Radeon 6480g (SUMO) on an APU, which ended poorly and ended up requiring a reinstall because of the config being thoroughly ...
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1answer
22 views

Ubuntu kernel doesn't boot up right

I compiled a Ubuntu 15.04 kernel last night and installed it this morning. It showed up fine in my grub but when I tried to boot it, it booted me to my Ubuntu 14.04 instaed. What is going on? Also, ...
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2answers
38 views

Standalone Grub2 EFI installation - grub.cfg placement?

I'm trying to use Grub2 as the boot manager on an EFI system in standalone mode. (The only persistent harddisk has OS X on it; Linux and Windows drives may or may not be present at times, hence the ...
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34 views

How can I fix the missing /NST/AutoNeoGrub0.mbr on Windows 8.1?

I have installed Ubuntu 15.04 onto my Windows 8.1 UEFI SONY VAIO laptop. I installed ubuntu by clicking 'something else' in the installation window. I then made 3 partitions: /boot , / and a swap ...
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2answers
57 views

How to remove unnecessary EFI entries from GRUB?

How I can get rid of these unwanted GRUB menu entries. My Ubuntu and Windows is getting loaded properly but these unnecessary entries I don't need it. Thanks in advance. This is how the ...
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41 views

How can I install windows on this disk?

From little searching, seems like this mbr is corrupt so it doesn't want to install windows on windows partition... ubuntu is on sda1 and I can remove this but I don't want to remove home folder in ...
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17 views

Can't boot after installing Ubuntu 14.04 with disk encryption

I install Ubuntu to one of my hard drives, and selected both "Encrypt the new Ubuntu installation" and "Use LVM with the new Ubuntu installation." After trying to use that drive as my boot device, I ...
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18 views

Install Ubuntu on logical partition - location of Grub stage1

Computer setup as follows: One SSD and one HDD. Win7 is on SSD, entire drive is single C:partition with the OS & all programs. HDD is formatted as one single extended partition containing 3 ...
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18 views

Windows running into boot loop after Ubuntu 14.04 install

I have tried all the solutions available online, but no avail. I am facing a boot loop for windows OS whenever i restart the system. I installed ubuntu 3 days back and windows was working fine until ...
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44 views

Problem with dual boot configuration. UEFI vs Legacy?

In my friends laptop previous operating system is Windows8 with UEFI boot mode. I change it UEFI to Legacy mode for Linux installation. But after Linux installation one problem occur. Windows8 boot ...
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13 views

cant load grub2, even though it's ready to go on the hdd

My netbook (acer aspire one250D) cant load GRUB2. It loads the BIOS and I can access the boot menu. Unfortunately after that, it is just a blinking cursor (e.g. '_') . So it doesnt matter what boot ...
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20 views

moving ubuntu and windows partition

I wish to move my windows partition to the last drive and my Ubuntu partition to the first section of drive to make it fast. I have used windows for 6 years and i am done with it since I have found ...
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1answer
18 views

Maintaining multiple Linux distros - boot and grub partitions

Here is my GParted view of /dev/sda The unallocated blocks were once another Ubuntu distribution - I will resize my other partitions to consume them soon. /dev/sda2 holds my Debian installation's ...
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1answer
22 views

Ubuntu 14.04 is not recognizing Red Hat 6 Enterprise Linux to do Dual Boot

My biggest issue is having Ubuntu recognize RHEL as an Operating System. I initially installed RHEL first and then tried Ubuntu. When installing Ubuntu, I wouldn't get the statement that says, " we ...
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0answers
10 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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1answer
21 views

Unable to Wipe my SSD from linux

I have an SSD which I've installed Ubuntu on, it was completely clean. I installed it and encrypted it. I decided I wanted to wipe my hard drive for a new install without encryption. I'm unable to do ...
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1answer
28 views

Ubuntu and Windows [closed]

I installed Ubuntu to other partition and I didn't delete the Windows partition. I installed successfully but İ can't open Windows. I doesn't come up in grub at start up. It is the output of sudo ...
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17 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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15 views

error: unknown file system entering rescue mode

Hi all i really want help with a pc running ubuntu 14.04 LTS only from 2 days ago and its stuck on GRUB RESCUE and i tried a lot of things that i found on the web and nothing work for me...like i ...
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2answers
26 views

Boot ISO file via GRUB2

I'm migrating my multiboot USB drive from syslinux+grub to grub2. I'm now searching a way to boot my ISO files. I'm searching for a chainload method. So I don't want to add kernel and initrd ...
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0answers
10 views

loopback module for grub with secure boot

I am building a multi-boot usb stick with ubuntu derivatives. I followed several tutorials found online: essentially, you put the isos on a usb stick and then you boot them using grub, which is ...
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0answers
23 views

Ubuntu won't boot after installing on MacBook Pro 6,2?

I installed Ubuntu Trusty Tahr(14.04) on my MacBook Pro 6,2. But, after installing all the updates, and restarting, I can't boot anymore. I installed The rEFInd Boot Manager, on my MacBook. At boot ...
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1answer
44 views

ASUS X555LN Brightness fn key not working in Ubuntu 14.04

I have installed Ubuntu 14.04 on my ASUS X555L Laptop using an nVidia GeForce 520M Graphics card. The fn+f5/f6 keys are unable to adjust brightness. Currently my screen brightness level is maximum. My ...
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0answers
15 views

Keyboard will not work for encrypted login

I'm running Ubuntu 15.04 (Ubuntu gnome). When I start the computer, it shows the gnome logo and asks to enter my encrypted password to unlock the disk. However, I cannot enter the password. Nothing ...
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0answers
31 views

How to choose which OS to start in dual boot with Touch Screen and no physical keyboard?

I (now) own an HP Slate 2(b2a28ut) which it's a fancy piece of technological art. It does look like a tablet itself and it acts like an Android Tablet because of its Capacitive Touch Screen, but it is ...
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58 views

Ubuntu 14.04 on is not booting, bootmgr is missing, press ctrl + alt + del to restart

My system refuses to boot normally from the SSD, I tried to run boot-repair from a USB, after reboot the problem persist, here's the Boot repair info script Boot Info Script e7fc706 + Boot-Repair ...
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0answers
7 views

How to get out of grub after failed update, WITHOUT a cd reader

I tried to install the new version of ubuntu. It took a long time and i let it go on while i slept. When i woke up there was a black screen with commands saying something about the battery. I tried ...