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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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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27 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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11 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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56 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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14 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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20 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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11 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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65 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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51 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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11 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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84 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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78 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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41 views

14.04 random hanging on boot

I've already googled a lot and probably know what's wrong but don't know how to fix it. Fresh install of Trusty Tahr LTS i386 on a new netbook with an Intel N2820 Bay Trail graphics. Average 4 of 5 ...
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8 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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28 views

Switch between Ubuntu and Windows in every restart to boot

Is it possible with/without edit Ubuntu Grub boot file or any way that select another OS to boot from it in every restart? I mean when I boot from Ubuntu/Windows for first time and I restart ...
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82 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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34 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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34 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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49 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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14 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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105 views

How to get rid of grub menu after boot?

Here is my /etc/default/grub: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true ...
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175 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 ...
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167 views

Ubuntu 14.04 LTS Boot-Repair Error

I always like to start by apologizing just in case this is a duplicate question, but I don't really know what to ask, so I don't know what to look for. With that being said, I'm running a Lenovo V570 ...
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59 views

Windows 8.1 keeps changing my boot order in favor of Windows

I installed Ubuntu 14.04 LTS on a partition of an external disk drive connected to my HP 400-224 PC. The Ubuntu boot partition is sdb. EFI mode is enabled for both Ubuntu and Windows 8.1. Secure ...
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47 views

Accidentaly formatted boot partition

I accidentally formatted the partition that contained the GRUB loader, so I cannot boot into Ubuntu 14.04 LTS. Background to the saga: I have an iMac with OSX and Ubuntu 14.04 LTS installed side by ...
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101 views

How do you repair a non-booting Windows 8.1 installation after updating to Ubuntu 14.04?

I have dual boot set-up with Windows 8.1(original OS) and Ubuntu 14.10. Recently, Windows stopped booting. I am presented with a 'Recovery' screen with the Error Code: 0xc0000225. Windows stopped ...
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31 views

T440s Stops Booting into GRUB after a random period of time

I have a new Thinkpad T440s. Here are my specifications: Intel 4600U 12GB (4GB integrated, 8GB stick) DDR3 1600 Samsung 840 SSD 250GB Sandisk SSD 16GB This problem has been a real brain buster as I ...
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66 views

Reset post grub splash screen with default

I installed ubuntu-gnome but was not a least bit impressed so decided to revert back to Unity. However post grub (after selecting Ubuntu) there is a gnome splash screen. How to I revert back to the ...
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88 views

Ubuntu boot from internal HDD fails with “unable to find media containing live file system” message

I have created a DVD containing Ubuntu 14.04 and have successfully run 14.04 from it. I have taken the option to install 14.04 as a dual boot with Windows XP. The installation appeared to go smoothly ...
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42 views

Ubuntu 13.10 continuous beeping

I'm using Ubuntu 13.1064b on a Dell Inspiron N5010. Sometimes when I boot into Ubuntu, I get a continuous beeping noise on my sound card output. My laptop's internal speakers stopped working a long ...
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65 views

Ubuntu 14.04: Where did my GRUB go?

I have an Asus Q200E 64-bit laptop. I was using Ubuntu 13.10 (and the older versions earlier) along with Windows 8 and Windows 8.1 for the last 1½ years. I recently upgraded Ubuntu 13.10 to 14.04. ...
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241 views

Reinstalling Grub - shows no volume groups found, how do you fix this?

I have a full backup which I had restored onto a new built system on Ubuntu 12.04 The backup did not include /dev /proc /sys folders. Upon rebooting, the grub show the following errors error: no ...
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395 views

Preseed value for installing Grub on Ubuntu 14.04 unattended

I'm running into issues installing grub using the preseed on an unattended installation. This has worked for us on 12.04 and 13.10 though. We currently have the two lines in the preseed file in ...
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486 views

Dual Boot Windows 8 and Ubuntu Problem (UEFI)

I just installed new Ubuntu 14.04 in my Laptop. (Lenovo IDEAPAD Y410P). In installation process Ubuntu advice me to create a bios_boot partition. So I made it. Once the ubuntu installed, the grub is ...
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66 views

how do i get grub-customizer to change appearance on grub screen?

in Linuxmint 16, installed grub-customizer. changed Font size, colors, put in png picture and looks terrific IN GRUB-CUSOMIZER...but DOES NOT AFFECT the boot up grub screen in any way. still shows up ...
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70 views

HDD and USB drives refuses to boot, just sends me to Grub-Rescue

I have 2 Hard drives installed in my computer. On one hard drive, I had Ubuntu 14.04 and the other was a Windows 7 HDD. Today I had to delete the Ubuntu HDD. I did this from my Win7 Partition ...
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108 views

Booting problems after update

Yesterday I updated my laptop (Lenovo ThinkPad T440p) to Ubuntu 14.04. Afterwards I restarted the laptop, but the operating system wouldn't start. I can''t get into the booting menu to choose Ubuntu ...
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181 views

Can't boot any linux based distro (error: attempt to read or write outside of disk 'hd0')

i'm new to Linux OS and i wanted to install a distro for my old laptop (HP Compac nc6400). Tried with lubuntu, xubuntu, ubuntu (14.04 all of them) and lxle, and all of them had a single problem: after ...
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225 views

Ubuntu scripts/init.bottom Hang

I am trying to boot my 12.04 ubuntu server, and I am getting hung on: Begin: Running /scripts/init-bottom ... done. This is in a VM on HyperV. I have tried fsck, tried going into recovery mode and ...
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71 views

ubuntu dual boot does not boot windows anymore

Problem: i can't boot both Ubuntu and Windows. Description: I just installed Ubuntu 14.04 LTS 64bit and Windows 7 64bit on my Lenovo Y500 with UEFI Legacy Support mode enabled and did update-grub ...
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110 views

Installing grub2 in efi-mode in usb flash drive

I've two different OS, which one is ubuntu. I'm using a PC, NOT a Mac. I use Chimera bootloader that don't find Ubuntu. So, i'd like to install grub 2 in EFI-mode on flash-drive USB. In this way, i ...
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55 views

Ubuntu 13.10 no longer boots, stuck at grub boot prompt (sdb hdd that ubuntu's installed on is no longer detected)

Ubuntu 13.10 has been running fine since I installed it on my external harddrive a few weeks ago. However, yesterday while Ubuntu was running, I accidentally knocked the external harddrive off the ...
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346 views

os-prober and update-grub can't see/find working Windows install

I have installed 12.04 next to a Windows 7 install, on a partitioned 3 TB hard disk. If I use F12 during boot to review boot options from the BIOS, Windows 7 and Ubuntu boot normally, but the Ubuntu ...
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81 views

How to set a password on recovery mode in GRUB

Any one can reset the root and other user's password by going in recovery mode. SO I want that on the recovery option GRUB require a password to enter in recovery mode. But user can login UBUNTU ...
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26 views

Can't see grub after running boot repair. Please Help!

I've a machine with Windows 8 and I've just upgraded from Windows 8 to Windows 8.1. After this I couldn't see the grub while booting. So, I ran boot repair, but still it didn't work. ...
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94 views

Black Screen with “Input signal out of range” message, after AMD graphic driver installation [13.10]

I recently installed Ubuntu 13.10 64bit alongside Windows 7 64bit, and both ran fine. Then I installed AMD graphic driver for my video card radeon R9 270 following the 3rd(manual) procedure given in ...
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25 views

update-grub Not Respecting Preferences from /etc/default/grub

Following the advice from an answer to How do I remove or hide old kernel versions to clean up the boot menu or free space?, I found myself having to put up with the GRUB boot menu every time I ...
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37 views

ubuntu partition

A problem happened to my windows xp partition, I have also a ubuntu 10.10 partition. There were options to choose os when starting laptop. Because the problem is in XP partition, those options are ...
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49 views

Replace Mac OS X boot loader with Ubuntu

Currently, I have my MacBook Pro's SSD filled with a Mavericks installation, and after some frustrating hours, an external HDD loaded with Ubuntu 13.04 (soon to be 13.10). As of now, the only way for ...
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19 views

How to prevent my Windows on the other HDD from being added to the boot menu when doing update-grub?

It seems that when sometimes I do apt-get upgrade, update-grub is automatically invoked. My problem is that I have two HDDs on my laptop/PC. Ubuntu, as well as a 64-bit Windows 8.1, is installed on ...