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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error: no device connected

I did a fresh install of 12.04 by usb and it went fine, worked on it for several days, but one day the browser crashed and i reset the machine, after that I get this error when i boot; error: no ...
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86 views

Two Ubuntus in my grub bootloader

I have a problem: I have Windows 7 installed on my notebook. I wanted to install ubuntu on it. So I did. Then I removed Ubuntu because of several lags. And when I rebooted, it still showed Ubuntu in ...
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1k views

Simple way to rename GRUB2 entries

I have many different Ubuntu versions installed on my HD. I'd like to rename some of their entries in GRUB2 boot menu. I have tried two approaches. 1) Like mentioned in ...
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157 views

Rollback instead of completing dpkg-configure -a?

On a new VPS, aptitude dist-upgrade hangs during /usr/sbin/grub. Now, aptitude is in a bad state: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. I ...
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478 views

Server 12.04 boots to Grub CLI

Yesterday, I rebooted the server and it booted up to grub. Screen says 'Minimal BASH-like .... etc'. I've tried booting to the Server rescue mode from the install disk and tried reinstalling grub. ...
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10 views

How to use Fn+F5/F6 adjust the backlight

My NB is Asus N500JK and OS is Kubuntu 14.04. I try modify /etc/default/grub file. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=" then update-grub After reboot, it can use Fn+F5/F6 adjust ...
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31 views

Update from 12.04 to 14.04 broke my grub and I couldn't recover it

I am new Ubuntu user. I had to reinstall one older computer so I decided to put Ubuntu 12.04 on it. After installation I've tried to upgrade it to 14.04 and upgrade failed. I've even tried with DVD ...
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37 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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63 views

Can't boot Linux from an external USB SSD drive

Windows 7 OS. Is there any difference between Linux Live CD and Linux installation on an external USB SSD drive in point of view of boot? I can boot Linux LiveCD without a problem when set boot order ...
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111 views

Dual Boot Windows 8.1 and Ubuntu 14.04 no GRUB appearing going directly to WIndows

I was trying with my friend to Install Ubuntu 14.04 In Dual Boot Mode With Windows 8.1 UEFI in my new Toshiba laptop. The installation of Ubuntu was finished successfully. However when I rebooted ...
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23 views

Dual boot ubuntu 14.04 with ubunut 14.04

I had ubuntu 14.04 with windows 8.1 and I deleted windows 8.1 partition with system reserved partition and when I reboot the system it did not boot. Then I used a live usb and try to save followed ...
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25 views

Problem with ubuntu / W8 install and grub

I recently made a mistake when installing Ubuntu 14.04 on an external hard drive plugged to a Windows 8.1 laptop. My problem is that now if I have the external hard-drive plugged I can choose on which ...
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64 views

How to make Windows 8 appear in a boot menu when dual-booting with Ubuntu?

I want to ask how to create GUI for choosing OS when booting my notebook. I have Windows 8 preinstalled on my notebook, and I wish to have a dual boot system with Ubuntu, However, after Ubuntu ...
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17 views

Grub takes forever to show up

I just installed Ubuntu 14.04.1 LTS on my MacBook Pro 5,3. Everything works fine so far except for GRUB. It takes 5-8 minutes to just show up. The rest of the boot process goes as expected. I'm also ...
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28 views

A bit of a keyboard problem

So I've looked all over but I can't seem to find a solution anywhere nor can I find a problem exactly like mine so maybe someone can help me. I want to be very specific just in case I did something ...
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34 views

I have no idea what's going on. :(

*Please note that my phone is the only way I can connect to the internet right now. since my PC is having an error which will be explained below. **I might be able to borrow my friend's laptop if I ...
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14 views

boot issue after cy with dd command (error : file '/boot/grub/i386-pc/normal.mod' not found)

I'm running Ubuntu through a 16GB USB having one partition for the OS and one dedicated for swap and all is working well. I wanted to make a copy of this usb key to a 32Gb key to increase the ...
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37 views

Uninstall ubuntu from external hard drive + remove bootloader from internal hd

I have created a bootable usb stick with linuxlive and Ubuntu.I then tried to install ubuntu on my external harddrive. However I guess I wrongly picked the drive where the boot section is installed, ...
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78 views

boot XEN under UEFI-only BIOS

Is there a way to get XEN 4.4 booting from UEFI mode BIOS? My AMD64bit laptop does not support direct CSM/legacy boots. A nasty workaround has been to boot from a specially made USB pendrive with ...
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13 views

Restore factory setting option in boot menu not working

When I switch on my laptop,after few seconds boot menu comes where restore to factory setting option is available but when I click enter to that then nothing happens.I am using Ubuntu 12.04LTS and ...
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23 views

Ubuntu partition “unallocated” and Win7 BSODs

I've successfully used Boot Repair to get out of booting binds in the past, but this time I'm stuck and was directed by Boot Repair to share the following web address in a trusted forum such as this: ...
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78 views

Windows 7 Drive Not Showing in BIOS Boot Menue after Ubuntu Install

I've looked through many problem solving techniques for similar problems, but with my set-up it appears none of them are quite relevant. My computer is a HP Envy Phoenix with 3 drives installed: ...
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59 views

Boot-repair (Or ubuntu grub) somehow stopped bios setup

I am using Ubuntu 14.04 since it launched. All of functioning of bios and grub where running properly. One day I used boot-repair for some reason. After few days I noticed that Bios set-up doesn’t ...
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43 views

How to set up GRUB after 14.04 and Windows 8.1 are installed?

I have installed Ubuntu x64 bit on my Toshiba Satellite laptop. If I turn off the UEFI boot and change to CSM boot, Ubuntu will load. If not, Windows loads like normal which is fine. My other ...
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114 views

14.04 - Replaced drive in Software RAID 1 - How to make bootable?

I have an Ubuntu 14.04 x64 server with 2 500GB drives (sda and sdb) in a software RAID 1. I just had to replace sdb. Adding it back to the array with mdadm and resyncing was a snap. The problem I'm ...
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47 views

Black screen on bootup

I've had a problem since loading ubuntu alongside my windows install now. I'm running 14.04 and using Gnome 3.12 shell and Lightdm. When booting up the Ubuntu splash screen looks normal and pushes me ...
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22 views

The UBUNTU Graphics Catch 22

Trying to use a Live DVD to run Ubuntu 14.04.1, I get the "Monitor signal out of range" error. I hit ctrl-alt-F1 to bring up the command line. I do sudo nano /etc/default/grub and remove # from ...
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11 views

Wrong name in grub

This question is at least partly about linux mint but it also has Ubuntu in it so I decided to ask it here. I recently update linux mint 16 to 17. I did this using apt instead of a fresh install. It ...
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89 views

Windows 7 won't boot after side-by-side installation of Ubuntu 14.04.1

I installed Ubuntu 14.04.1 from a DVD I burned. Ubuntu runs perfectly, but when I select Windows 7 from GRUB, the screen goes blank (with some coloured lines at the very top of the screen). From here, ...
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10 views

Changed part I on type, can't boot into my operating systems

Changed partion type from "logical" to "primary" and now I get the grub rescue command Line. I can't do anything with my computer at the moment so it would be appreciated for some help.
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95 views

grub rescue out of partition

So I was installing Ubuntu 14.04 from an ISOBoot and the thing goes wrong, the PCs frozes just after setting the disk partitions< and after a while I decide to turn it off the hard way. So now I ...
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53 views

GRUB-Problem – Ubuntu on SSD, Windows on HDD

I googled alot but didn't find a solution for my certain problem. I installed windows and ubuntu on my SSD and used my HDD as a NTFS to be able to save data to it from both Windows and Linux. Now I ...
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30 views

Grub2 cannot see my new external USB hard drive, but sees an older one

I am trying to boot Ubuntu-studio (current version) from a new Seagate 2TB expansion USB drive on an old system (PC) whose BIOS doesn't know how to boot from USB. No problems with either the install ...
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60 views

Win7 /Ubuntu 14.04 on 1 drive; Win XP on 1 drive — Boots into XP

I'm so close to finally having Ubuntu up and running. The first time, I let boot-repair do its thing automatically http://paste.ubuntu.com/7804480/ then couldn't boot into anything. I had a fiddle ...
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0answers
21 views

iPlymouth Broke GRUB

I followed the steps in this thread: What happens if I disable and unistall Plymouth? Now GRUB is broken. I'm running Ubuntu 12.04.4 without a GUI and when my server boots now, I get a screen showing ...
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27 views

Multiple problems with GRUB disk partitions Ubuntu login after update

Story: I have some problems which began with the lost+found folder and space which I could not get rid of even after I did dd (from live sdcard) with complete zero overwrite to the whole disk and ...
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0answers
17 views

error messages upon installation of new ubuntu 14

1) I have a link to ubuntu (for previous version) on the boot menu. However when I click on that link I get a black screen (no writing). My guess is that ubuntu crashed and disappeared, since I can ...
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0answers
163 views

How to fix/install GRUB?

I'm facing a problem of not being able to boot into Linux. I get the "grub-rescue" crash (as the one mentioned here. But my problem is really very different. I don't have to /boot directory on my ...
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216 views

Stuck in GRUB Rescue Mode, all partitions -> “Unknown filesystem”

I somehow messed up my laptop... I have a dual boot machine with Ubuntu 14.04 and Windows 7. The Ubuntu OS has been installed a couple of days ago and I was encountering an annoying bug: when booting ...
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0answers
12 views

Does a new Grub install modify cleanly the master boot record?

When you reinstall Grub through the installer, does it automatically edit whatever existing boot record is there so that there is nothing left dangling (code-wise)? Or, do you actually need to clean ...
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0answers
108 views

Windows 8 and Ubuntu 14.04 (Windows will not load - Loops prepairing to repair windows) Asus ROG G750JW

I have windows 8 on my first drive which is 1 TB and Ubuntu on the secondary drive which is 500 GB. I attempted installing grub2 and updating. (See pictures below to see partitions) I followed this ...
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242 views

Burg bootloader Ubuntu 14.04

Hello I'm a relatively new ubuntu user and I'm having some trouble with the burg bootloader. The issue is that when I choose the ubuntu option it works 1/3 of the time without any trouble but ...
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0answers
19 views

Install Grub on USB drive / Vaio Pro 13

I'm somewhat inexperienced with Linux. I'm having quite a hard time booting Ubuntu 14.04 along side Windows on my Vaio Pro 13. I've tried using every method I've found on forums but no matter what, I ...
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188 views

After install grub boot loader does not show

I' m having some trouble finalizing my Ubuntu setup. I have installed Ubuntu 14.04 on my Windows 7 Acer, K95V and I just can't get to the boot loader. The current situation is that it just boots up ...
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35 views

cant boot windows 8 or ubuntu!

I 've recently bought a laptop with windows 8 and can't stand it. Though I need to keep it for some software I use at work.. I was advised to install ubuntu and have it set as dual boot. One ...
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1k views

Software raid 1 on ubuntu 14.04 desktop

I am trying to setup Sofware RAID 1 for my ubuntu desktop (14.04) Unfortunately desktop installer no longer supports RAID1 configuration. Therefore I am trying to manually set this up. I followed ...
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35 views

install ubuntu on an external hard disc

Not long ago I bought a new PC brand Lenovo. I make W7 install because some Windows programs interest me and I need them. From the Ubuntu website I downloaded 14.04. LTS and I burned on a DVD. Now it ...
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217 views

/boot/grub/device.map is missing on Ubuntu 14.04

The device map file /boot/grub/device.map is in this format: (disk) /dev/device So, for example, on a system with a floppy and a single SCSI disk, the file would look like this: (fd0) /dev/fd0 ...
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15 views

Grub 2 wont show window8

I installed Ubuntu 14. 04 on my Lenovo ideapad 580 (4GB RAM, 500GB HDD, i3, Windows8 preloaded). I switched from UEFI to legacy mode. Then I had a grub issue and Ubuntu won't load at all. I tried boot ...
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405 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...