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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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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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
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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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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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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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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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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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2answers
43 views

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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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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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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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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1answer
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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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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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2answers
38 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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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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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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Need help getting grub2 bootloader to work at startup

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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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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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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18 views

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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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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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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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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24 views

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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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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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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14 views

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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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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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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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 ...
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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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Help! Installed Ubuntu on old PC - Grub manu disappeared

I installed Ubuntu on an old Toshiba Satellite (processor 1,6 Ghz, 448 Ram, 100 Gb), everything went fine, I could install everything and then it asked to reboot. But when I did, it wouldn't. Instead ...
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2answers
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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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1answer
14 views

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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1answer
29 views

How do I run `vbeinfo`?

The instructions in /etc/default/grub say to run vbeinfo, # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them ...
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Can't Fully Boot from vmlinuz *.29

I'm having a problem fully booting from the latest vlinuz listed in GRUB. When I select the default Ubuntu option, the loader hangs on a memswap line, then hangs further down the process. Only when I ...
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Can not get Ubuntu to go past grub

I just built a new computer and decided to go with Ubuntu, and now I am having lots of problem. When ever I try to boot Linux from grub it either freezes or is just a purple screen. The only way I ...
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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
28 views

How to boot into different partition?

This arises from trying to upgrade to 14.04 from 12.04. The upgrade failed, so that when I tried to reboot I got an error: file not found message and the grub rescue prompt. (Up to that point, ...
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Any intuition into how I've messed up? UEFI dual boot woes, Win7 and 14.10

there. New poster long time lurker. I haven't used Ubuntu since Natty; forgive me. I recently burned an ISO of Ubuntu x64, and thought I'd dual boot with Win 7; My system has a spare HDD, so, I ...
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37 views

Dist-upgrade in Ubuntu 14.10 tries to remove grub-efi-amd64

A recent security (?) update in 14.10 Utopic Unicorn caused "apt-get dist-upgrade" in Ubuntu 14.10 to try to remove package "grub-efi-amd64", and replace it with package "grub-pc". I use grub-efi to ...
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21 views

windows 7 not loading after dual boot on Lenovo T440p & 14.04

I just installed Ubuntu 14.04 on a new Lenovo T440p, I wanted to dual boot it along the already installed pre-installed Windows 7. Grub worked fine after several reboots and staring it on Ubuntu. I ...
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1answer
45 views

No Ubuntu boot option in grub after installing Windows 7

I installed Windows 7 alongside Ubuntu 14.10 and hence I lost grub. I reinstalled grub using a liveCD and now the Ubuntu boot option only shows Windows 7 and 10s timer after which it'll boot into ...
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Blinking Cursor during Post-Installation Reboot

Though I understand that there are similar questions already posted on here about what I am going to mention, I feel that none of them directly address my issue at hand so I will try my best to ...
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“your screen, graphics card, and input device settings could not be detected correctly.”

So, I just put Ubuntu on my new HP laptop. I had to boot it using the "nomodeset" kernel. It finished installing and updating everything and it rebooted. When it boots up it goes straight to saying: ...
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How to delete and merge old version of Ubuntu with latest 14.04?

I installed Ubuntu 14.04 on window boot of already dual booted system, but it still boot in start from old Ubuntu. full explanation. I had dual boot of window 7 and Ubuntu 13.10. ...