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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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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21 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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Ugh, can't get Grub to load 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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19 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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18 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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31 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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23 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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1answer
18 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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21 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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11 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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16 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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1answer
15 views

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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13 views

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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17 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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11 views

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
43 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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10 views

Grub will crash on motherboard with AMD onboard gaaphics 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
21 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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6 views

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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9 views

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
24 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
27 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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14 views

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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23 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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16 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
41 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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15 views

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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25 views

“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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1answer
18 views

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. ...
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17 views

Need help, stuck in Grub rescue mode!

Help there Ubuntu community, I just had this problem where whenever I boot up I get transferred to Grub rescue mode. I have tried many methods from other users, but whenever I try to do 'insmod ...
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1answer
26 views

GRUB Rescue after Disk Clone

I need a little help from a GRUB expert. I just cloned a 1 TB Seagate drive onto a brand new 2 TB Hitachi, and before swapping them out, I decided to boot-test it. It's tied to my computer through a ...
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2answers
996 views

Will Windows 10 “upgrade” affect GRUB2 and screw up my dual boot with Ubuntu? [on hold]

I turned off Windows update because I read about problems with BIOS tinkering within the updates. Will Windows 10 "upgrade" affect GRUB2 and screw up my dual boot with Ubuntu?
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21 views

Facing fatal error “unable to install grub” while installing UBUNTU 14.04

Recently I bought Dell laptop with i7 processor and Windows 8 is preinstalled.. I downloaded UBUNTU 14.04 and trying to install . But I am facing fatal error " Unable to install grub2". I tried ...
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11 views

Grub not running after formating my first Ubuntu partition

I've had installed Ubuntu and Ubuntu Gnome alongside Windows 8 on my computer, but a few days ago, I decided to remove one of those Linux Ext4 partitions (Ubuntu, which Grub was also installed on it). ...
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1answer
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I have grub installed twice, what will happen if I remove the 1st install?

My hard drive: sda1: SUSE sda2: new Ubuntu, installed yesterday sda3: win7 When I turn on my PC it always uses the SUSE boot loader. When I format the partition with SUSE will my PC ...
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28 views

Can't boot after yesterday's update(20.01.15), except advanced option (last one)

Yesterday I've applied the update that showed up on my Ubuntu 14.04, and when when I returned I got a sad surprise: Ubuntu was going into a boot loop after selecting it normally from GRUB. I tried: * ...
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14 views

Why ubuntu 14.04.01 starts up to some text screen always [closed]

My Ubuntu 14.04.01 desktop corrupted with black screen and I reinstalled same but now, when I start it go to some text screen after restarting it works. I corrected it with Boot loader but now it ...
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22 views

Problems installing Windows 7 over Ubuntu [duplicate]

I am new to Linux. My problem is that when I try to install Windows 7 from USB I go straight to GNU GRUB menu or something like that (again I am new to Linux). When I access the UEFI (BIOS) and ...
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1answer
30 views

Problem with grub Ubuntu 14.04

I have just installed Ubuntu 14.04 on my PC and when I restarted the PC it told me that it does not have any Operating Systems installed, ok, so I tried to reinstall grub with the Ubuntu live CD ...
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27 views

Installing Ubuntu 14.10 alongside Fedora 21

I installed Ubuntu 14.10 after installing Fedora 21 but I cannot see fedora 21 installation in boot option. update-grub in Ubuntu recognizes fedora 21 but when I reboot I don't see the option. (I ...
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1answer
37 views

What is the difference between GRUB_CMDLINE_LINUX and GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub

I'm troubleshooting a fn-key brightness control problem on my laptop, so I'm wading through a lot of config options in /etc/default/grub, as you can imagine. However, it's raised a question for me: ...
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2answers
15 views

Regaining Ubuntu after installing Windows 7

I had Windows 8 and Ubuntu on two different partitions. I was using both the operating systems as per my needs as I had dual booting options. I have now removed Windows 8 and installed Windows 7 in ...
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1answer
27 views

MBR is on wrong drive (USB) now windows/ubuntu won't boot w/out usb connected

I somehow installed Grub on my USB drive, now Windows/Ubuntu won't boot unless my USB drive is connected. How do I move the MBR to my laptop - internal HDD? Acer 64; Windows 8; Ubuntu 14.xx
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49 views

Asus booting and rebooting into BIOS

I have Ubuntu 14.04 on my laptop, (Asus VivoBook S551 R551LB) fully encrypted system (need pass-phrase on boot), it used to have Windows 8 but I installed Ubuntu instead. I just realized today that ...
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1answer
51 views

How to install Kubuntu from working OS?

I have dual-boot system. Now, I want to erase all packages and all home's files on my Kubuntu, i.e I need 100% clean system. I decided to make a bootable usb-stick. I tried to boot from it, got ...
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2answers
35 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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39 views

GRUB doesn't detect Windows an second hard drive

I helped a friend of mine dual-boot Xubuntu 14.04 and Windows 7 Professional. I put WIndows 7 on a 80GB hard drive and put Xubuntu on a 1TB drive. I booted into Xubuntu and ran update-grub, but it ...
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20 views

Solid dual boot solution for OS-X and Linux (ubuntu)

What is the best, solid dual boot solution for having OS-X and Linux on the same harddisk on a Macbook Pro? Criterias would be: Usability Robustness of the setup (regarding updates of OS-X etc.) ...