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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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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6 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

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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9 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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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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8 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
23 views

Enter Bios from Ubuntu 14.04

I changed Bios settings in my Lenovo IdeaPad Yoga13 running Win 8.1 as I was having difficulties in installing Ubuntu 14.04 LTS. In the process I also changed the UEFI to LEGACY. Later Ubuntu booted ...
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9 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
15 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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14 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
24 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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13 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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0answers
13 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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13 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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12 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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0answers
13 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
17 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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15 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
20 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
897 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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19 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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10 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
10 views

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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27 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 [on hold]

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
29 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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0answers
26 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
32 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
26 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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1answer
40 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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1answer
29 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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37 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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0answers
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.) ...
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0answers
14 views

Grub not responding

I ran into a problem after installing Ubuntu without rEFInd on my Macbook Air 2013 11". I used my macbook's own bootloader to install it, and everything worked fine (I could use the USB drive to boot ...
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1answer
27 views

Ubuntu 14.04 On Asus Zenbook UX302LA

I have an Asus Zenbook UX302LA with Win8 pre-installed that I bought new in the summer of 2014. I now want to dual-boot it with Linux Ubuntu 14.04 (latest version I believe). I can get it to boot no ...
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0answers
20 views

Nothing works only mouse moves

Ubuntu boots, shows desktop and mouse moves but no other interaction seems possible, no clicks, no ctr+alt+t. I've cloned my dual-boot Ubuntu(3.13.0-44?)/Win7 to a new SSD drive I copied only the ...
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0answers
31 views

Boot menu that worked with GRUB Legacy no longer works with grub2 [on hold]

I used a USB with multiple ISOs and I have put them in the GRUB menu. When choosing them from the GRUB Legacy menu it worked perfectly, until the arrival of grub2. Now I do not get the same GRUB menu. ...
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44 views

How do I make grub recognize Windows 7?

The dump from boot-repair: http://paste.ubuntu.com/9769234/ What's wrong here? update-grub doesn't find Windows, neither does os-prober and a manually added entry for it fails as well (it says ...
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0answers
12 views

Help with dual boot on toshiba satellite [duplicate]

staff. I'd like to make dual boot with Ubuntu on the Toshiba Satellite, where is just installed Win 8.1. On that computer, there is EFI and UEFI system, so i ask you if somebody can give me ...
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0answers
19 views

Wrongly set the grub password and cannot enter, how to recover? [duplicate]

I wrote in 00_header: cat << EOF setsuperusers="heyward" password su grub.pbkdf2........... EOF And now each time I select from menu, it requires a password and I cannot enter. Is there ...
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2answers
53 views

can't install ubuntu along with windows 8.1

respected person I have an laptop hp pavilion g6-2312 ax,runs windows 8.1(uefi boot loader) actually wanted to install ubuntu along with windows 8.1 and came to know that ubuntu runs on mbr and don't ...
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1answer
31 views

My laptop doesn't recognize its internal disk as bootable. How do I fix this?

I bought a Toshiba Satellite and installed Ubuntu using a homemade liveusb, choosing to use the entire HDD and set up an encrypted LVM in the process. The installer finished with no errors, but the ...
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3answers
30 views

Lost Ubuntu 14.04 after Windows 8.1 install at 2nd partition

Greetings to everybody, not sure if anyone had the same issue previously, but could not find any similar (or i wasnt that patient to search :) and in that matter i apologize if am making duplicate ...