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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Clarifications on Installing Ubuntu and Windows

right now I am considering reinstalling my Windows/Ubuntu dual boot because they were originally on two external hard drives and I can't boot into my Windows anymore. Can someone correct my steps and ...
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debugging black screen using grub boot line command options or version update

Performed an update from 13.04 to 14.04, after getting a black screen, that couldnt be resolved with simply updating the graphic drivers. I have radeonhd 7660g, 7670m on an acer v3. Fortunately, I ...
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Ok Ubuntu HDD boots to black screen

This question is similar to this other one in that I get the same result, however I am booting an apparently fine HDD. For four days I have been booting Ubuntu 14.x on a very inexpensive laptop. I ...
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22 views

Dual boot ( ubuntu and Windows 8.1 )

I have a question about dual boot. my laptop is SVE15128CGB. I have just installed Ubuntu 14.0 together with Windows 8.1. And after finishing the installation, I have used Ubuntu normally, but when I ...
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10 views

Can't boot into OS anymore both Windows and Linux not booting [on hold]

I've spent the last two days trying to get my computer working. It's a dell inspiron 15r se. I have windows 7 Professional edition installed and Linux Mint I've tried the recovery disk for windows ...
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1answer
13 views

uninstall ubuntu

I am trying to uninstall ubuntu to install windows. when I tried to boot it is taking me to grub prompt. is there any other ways to boot without using grub or if using grub is compulsory then what is ...
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0answers
15 views

Need Help! Ubuntu 14.10 goes to a purple screen after login!

I am completely new Linux and Ubuntu so forgive me if this is a simple fix and for the fact that I completely ignorant of any coding for linux! But i am not finding answers anywhere online at all! I ...
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24 views

Ubuntu not booting unless flash drive installed from plugged in? [duplicate]

I recently put Ubuntu on a flash drive then installed it onto my computer, but now the computer will not boot unless the flash drive is plugged in. It is still iffy with it plugged in and only boots ...
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1answer
17 views

Smallest ubuntu install : ubuntu-minimal, ubuntu-server..etc

I am trying to trim down hard drive space requirements of ubuntu; for that reason, I am trying to get a bare minimum install of ubuntu I tried (using a preseeding file) install the target as ...
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11 views

USB (mouse/keyboard) turn off selecting Windows from GRUB

I completely reformatted a drive and set up the partitions as I wanted them. First I installed Windows 7 and things were smooth (keyboard mouse worked) Then I installed Ubuntu 14.04 and Grub and ...
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2answers
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Unable to boot Windows 8.1 anymore

I have a Dell laptop which came with Windows 8.1 pre-loaded. I decided to dual boot with ubuntu 14.04.10 and everything was working fine. I was able to boot to both windows 8.1 and ubuntu 14.04.10 ...
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Grub will crash on motherboard with AMD onboard graphic card

In Short: Grub crashes right at start on two mainboards with AMD onboard graphics. How can I get grub not to crash? I was using Ubuntu and kubuntu on a GA-880GA-Ud3H motherboard for a couple of ...
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Can I uninstall sudo in ubuntu 14.04 using Ubuntu Software Center

sudo command in my terminal gives error: sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set In the root shell prompt in recovery mode of grub, I am not able to type any command. ...
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Removing Ubuntu:

I was using Ubuntu 14.04 and found out that i hadn't given enough space to the root partition to fulfill my needs. As I was unable to resize the partition, i tried to remove the linux installation and ...
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1answer
3k views

Grub resue error insmod normal File not Found

I have a Dual Boot with Windows 7 and Ubuntu. Using Disk Management in Windows, I deleted the Ubuntu partition, but when i restart my computer, I'm getting Grub Rescue Command. I Tried ls ...
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4answers
5k views

Windows not booting in dual boot with Ubuntu 12.04 and Windows 7

I have dual Ubuntu 12.04 and Windows 7 installed in my PC. I installed Ubuntu after Windows, and I have issues with GRUB. After installing Ubuntu, there was no boot loader in the start up, with an ...
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2answers
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Ubuntu not listed as a Boot option after using Boot Repair

Had to reisntall Windows 8.1 and couldn't boot to Ubuntu afterwards. then, i followed a tutorial to use Boot Repair. now, i see the boot screen to choose operating systems but the only option there is ...
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2answers
39 views

Why I need several boot partitions (EFI and bios grub)?

I'm trying to understand how to properly partitioning the disk for future Ubuntu installations. The reason: after trying to install Windows 7 alongside Ubuntu, I enabled "Legacy mode" on my HP ...
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2answers
3k views

Boot loading problem after Wubi installation of Ubuntu 12.04 on Windows 7

I was new in Ubuntu OS and I was just trying to use wubi windows installer to get a Ubuntu first for hands-on. I followed exactly the same as the instructions and after reboot win7, there is no ...
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3answers
4k views

/dev/mapper/ubuntu--vg-swap_1 is not ready or not present

This is frustrating as heck, I moved away from Windows 7 OS because of issues, errors, and such and was sold to Ubuntu because it was supposed to be reliable, and now errors and issues right after ...
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1answer
25 views

Booting ubuntu directly [duplicate]

I have installed Ubuntu alongside windows but the problem is I am unable to get the dual boot screen where we have the windows boot loader listed, instead of that the computer directly boots into ...
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5answers
2k 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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Ugh, can't get Grub to load windows after using Boot repair

I have windows 7 64bit, installed on pc, installed ubuntu 14.04lts, everything looked and worked great, until I went to load windows, and would just get a purple window. I found the information to ...
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12 views

Need help getting grub2 bootloader to work at startup [on hold]

Im sure this has been asked many times but this is pretty much the first time I have fully installed a linux distro on one of my computers and I really need help getting grub2 to display the boot page ...
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2answers
5k views

No boot option after installing Ubuntu 12.04 LTS on Acer Aspire 4736z with Live CD

I am facing a problem. After installing Ubuntu 12.04 LTS using Live CD, at the reboot there is no boot option to choose the OS. I directly get logged into my Windows 7. Before that i was having an ...
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284 views

Why does UEFI installer not run on my EFI machine?

Have been working on building a multi boot system using EFI. This EFI capable system can not boot Ubuntu or any other installation media using EFI with the only exception being Windows installation ...
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1answer
306 views

Unable To Install Grub/EFI For Lubuntu

I'm trying to install Lubuntu 13.10 X86-64 on my laptop, but it's not working. Lubuntu itself installs fine, but at then end when it tries to install grub it fails and doesn't write anything to the ...
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1answer
11 views

Kernel problem on TOSHIBA

I have a SAMSUNG with following specs Intel® Core™ i5-3210M CPU @ 2.50GHz × 4 Intel® Ivybridge Mobile 8 GB internal memory Ubuntu 14.04 64 bit Since quite some time now, my list of kernels ...
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285 views

How to install Ubuntu server 14.04 on LVM RAID?

I want to try install ubuntu on LVM RAID logical volume, but fail on step grub installation. There are my steps as below: 1. use three HDDs called sda, sdb, and sdc to create a volume group. 2. ...
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13 views

Too many UEFI Boot entries ATA HDD, ATA HDD1, ATAPI CD1 ATAPI CD2

Windows 8.1 and Ubuntu 14.04 dual UEFI boot. My notebook only has one disk device. The Grub 2 entries are normal with only Windows and Ubuntu entries. However, when entering BIOS setting, I can see ...
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1answer
13 views

Trouble Uninstalling GRUB

I recently uninstalled Ubuntu after having dual-booted Ubuntu and Windows. Now when I boot normally, I reach a screen that simply gives me a grub prompt. I can get to Windows by booting, pressing F11, ...
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1answer
25 views

I don't get into GRUB Menu [on hold]

I have just installed Ubuntu 12.10 alongside Windows 8. My PC boots directly into Windows 8, but I can't get into the GRUB Menu to select my operating system. I also use the live version. What can I ...
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22 views

Disk Error - /tmp not loading or present'

![disk utility details][1]I had suspended my system for a while. After reopening, I did not reach the usual Password page. On restarting, the grub page opened up where I was given options of booting ...
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Stuck at GRUB menu

I feel really dumb saying this... Thanks to the help I received on this forum, I finally fixed my Wine/Pipelight issue and could finally upgrade from 'Trusty' to 'Utopic'. To clean up extra files, ...
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1answer
19 views

How to recognize and delete Ubuntu partitions from Windows 8 Dual Boot Machine?

About a year ago I installed Ubuntu 13.10 side-by-side with Windows 8. A few weeks later I updated it to 14.04 (only so I could stop seeing the "available updates" message) and I updated my Windows 8 ...
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14.10 How to boot a RescueCD from Grub2

I kind of crashed my computer and I no longer have a GUI. I'm stuck in the Grub Terminal and don't know how to boot the LiveCD ISO on my USB key. I'm trapped! A list of commands would be great, a ...
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3k views

I get only a GRUB terminal after installing Ubuntu alongside Windows 8. How do I fix this?

I attempted to load Windows 8 and Ubuntu alongside each other and it was working well until my Ubuntu installation completed and I restarted the computer. Now I can't get past this error: Minimal ...
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32 views

What caused this GRUB error? [on hold]

I've been using Ubuntu since long time now, haven't made a fresh install like 2 years from now. This morning, around 2 a.m., suddenly my computer won't turn on, displaying an error with tmp ...
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1answer
30 views

Ubuntu 14.04 upgrade boot problems

After upgrading to Ubuntu 14.04 LTS from Ubuntu 12.04 LTS, I have a boot in problem. When starting the Computer, it first produces a orange rectangle (Ubuntu Colour), then a blank screen, and nothing ...
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1answer
22 views

grub does not show Windows 8 installation

I have a triple boot Ubuntu14.10/MacOSX/Windows 8 on my MacBook Pro. However, Windows does not show up in grub, only MacOS and Ubuntu show up. I tried a few things from other similar questions but ...
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2answers
52 views

Enter BIOS from Ubuntu 14.04 (Ideapad Yoga 13 - Novo Button)

I changed the BIOS settings in my Lenovo IdeaPad Yoga13 running Windows 8.1, as I was having difficulties in installing Ubuntu 14.04. In the process I also changed the UEFI to LEGACY. Later Ubuntu ...
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0answers
28 views

Installed Ubuntu 14.04 alongside OEM Windows 8.1 — cannot successfuly manipulate Windows Boot Manager

None of the previous questions or guides have been successful for me after a long day of trying. My laptop came with Windows 8.1 installed and is UEFI. I installed Ubuntu alongside it and can get ...
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2answers
36 views

After Installing Win XP, could not able to load Ubuntu 14.04

My System was having Windows XP in C: drive, then I installed Ubuntu in F: Drive. Everything was going fine. But I re-installed Windows XP due to some reasons and I did take care of F: Drive where ...
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1answer
4k views

Ubuntu 13.10 Grub 2.0

I know this question may have been asked hundreds of times before but there doesn't seem to be one answer to how to solve it. I upgraded my computer to Ubuntu 13.10 and my computer was low on ...
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0answers
19 views

Ubuntu 14.04 software update causes system failure and messed up graphics

I allowed the software updater on my Ubuntu 14.04 machine to update various software packages today (1/25/2014). A reset was requested. I reset my machine and it now comes up with messed up ...
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1answer
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0xc000000f error when starting Windows from Grub

Recently I corrected the dual boot by re-installing the grub bootloader. I did that by first adding an entry pointing to Linux in easyBCD settings. Then, when I restarted the computer it showed ...
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UEFI and Ubuntu install bootloader

Can someone give clear instructions as to how I am to install Ubuntu and boot it via UEFI. I just bought a new harddrive from scratch. I have GParted on a usb stick Also Ubuntu on a usb stick This ...
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0answers
19 views

Change from GRUB

I am dual booting Ubuntu and Windows 7. At start up, I can choose between the two in the GRUB menu. The menu is Ugly and doesn't allow me to do much like booting windows in safe mode. How do I ...
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A couple of questions reguarding ubuntu [on hold]

I have four problems using Ubuntu which are really important. I have sorted them in order of help 1) When I try to play a video on a website such as daily motion it automatically buffers two seconds ...
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AMD Graphics Driver version that works for R9 290 GPU Pass through

Dedicated GPU (AMD Radeon R9 290) passthrough setup to a VM running Ubuntu 14.04 x64 LTS. Hypervisor used is KVM. Tried installing the latest Graphics driver available on amd support site (14.501 ...