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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Remove Grub Loader from Mac - USB Thumbdrive installation

I installed Linux from one bootable USB thumbdrive onto another bootable thumbdrive. That works. However, now my Macbook Air boots to "error: no such device: XXXXXXX... grub rescue>". If I hold ...
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5 views

How to restore Windows 8.1 boot after installing Ubuntu on flash drive

System: Dell XPS 8700 running Windows 8.1 using secure boot and UEFI. Boot Info Summary: http://paste.ubuntu.com/8340337/ I installed Ubuntu on a USB flash drive using the Live CD version. My goal ...
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5 views

I am Salvadoran and speak little English but I could not install ubuntu

this error: AttributeError: 'NoneType' object has no attribute 'get_info'
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4answers
4k views

Windows not booting in dual boot with Ubuntu 12.04 and Windows 7

I have dual Ubuntu 12.04 and Windows 7 installed in my PC. I installed Ubuntu after Windows, and I have issues with GRUB. After installing Ubuntu, there was no boot loader in the start up, with an ...
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2answers
148 views

Stuck at unresponsive ubuntu logo screen after upgrading to 14.04

When i upgraded to 14.04 and restarted the computer to finish the upgrade, ubuntu started to freez at the ubuntu logo with 5 orange dots screen. it didn't respond to Esc or alt+F1 or F2. However it ...
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1answer
935 views

Grub2 on LVM: How can I switch between alternate root LVs?

I have a working setup of Ubuntu Server 12.04 LTS (precise) installed on a LVM Volume (/dev/vg0/root). /boot is on the same LV, and Grub2 boots nicely from it using its own raid/lvm/xfs modules. Great ...
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2answers
3k views

Ubuntu 12.04 failed to reboot after unsuccessful update done on 28/8/2013

I did update on 28/8/2013. It includes the kernel update, mesa update, firefox, thunderbird, python, etc... Before all updates finishes, my internet connection terminated, so in the next reboot my ...
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43 views

Zotac Zbox EN760 Won't Boot from USB

I wanted to install Ubuntu 14.04.1 on my Zotac Zbox EN760. It is using legacy boot, as both the "Win7 uEFI" and "Win8 uEFI" don't get past the purple screen (don't know the official name, the one with ...
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1answer
13 views

how can i dual boot with an already ubuntu computer if i have a harddrive i took out of a windows laptop with all its info on it?

ive looked and looked but cant find anything but repartitioning and creating both on one harddrive. what i want to do is take my built computer that i have ubuntu 13.10 (updating to 14.04 as im typing ...
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17 views

Install grub in separate boot partition (dual boot)

I have both Windows 8.1 and Ubuntu 14.04 installed on UEFI mode (of course, dual boot). I have used bcdedit under windows 8.1 to set grub 2 as the default boot loader: bcdedit /set {bootmgr} path ...
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14 views

ubuntu -grub rescue for no real reason?

I recently installed Ubuntu 14 on a brand new EXTERNAL hard drive. I loaded it up with a booted flash drive, then went through the install process, dividing the drive in half (450GB for ubuntu), 10 gb ...
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18 views

I want to overwrite curupt/damaged win xp with 14.04

is there a full proof way that a beginner can easily overwrite win xp with ubuntu? I am presently running 14.04. love it! between grub rescues and mounting/partitioning problems, i am considering a ...
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32 views
+50

Ubuntu 14.04 desktop and RAID

I have 2 128GB SSDs on Asus Zenbook. I tried to boot into Ubuntu live CD (try Ubuntu) and create RAID from: Then tried to instal uUbuntu, but it fails to install grub on RAID. Another solution I ...
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0answers
20 views

How to move GRUB installation to a different partition? [on hold]

I have a laptop for work. I originally had Windows 7 on it then I installed Linux Mint 17 to dual boot. During my installation of Mint 17 I accidentally installed GRUB on the wrong partition (sda2). ...
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1answer
4k views

how can I fix error: hd0 out of disk?

I am running Ubuntu 12.04 on a netbook - Acer AS 1410. After a download session, I restarted the computer and it said: error: hd0 out of disk. Press any key to continue... I pressed ...
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10 views

How to repair grub menu?

first I install Ubuntu 14.04.then I install windows 8.1.now only boot windows.How can I repair my grub menu to choose Ubuntu to boot?
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1answer
53 views

Can't install Windows as dual boot after Ubuntu

I've a quite complicated problem related to dual boot of Ubuntu and Windows 7. At first I had Windows 7 installed in my laptop but then when I tried to dual boot with Ubuntu 14.04, I somehow ...
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1answer
45 views

How to retrive root password, when someone has changed it? [on hold]

The fact that, In my Lab, one of the user who is in sodoers list has changed the root password, is there any way to reveal the password he has set? I know how to change it by editing from GRUB but ...
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3answers
3k views

/dev/mapper/ubuntu--vg-swap_1 is not ready or not present

This is frustrating as heck, I moved away from Windows 7 OS because of issues, errors, and such and was sold to Ubuntu because it was supposed to be reliable, and now errors and issues right after ...
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2answers
26 views

How Can I Get GRUB to Work After Restoring Deleted EFI Partition?

First time posting here for help. So Friday night I was playing around with GParted and accidentally deleted several partitions. One of the was an unnamed. After doing this, I restarted and I was ...
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9 views

invalid environment block

ok so I deleted the line "recordfail" in the grub menu ten pressed ctrl + x but it just kept freezing with a blank screen. Next I used a usb boot version of ubuntu and got to the terminal I entered ...
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0answers
11 views

grub rescue- how to start cd or run boot modus?

error: unknown filesystem entering rescue mode.. grub rescue> boot menue doesn´t appear, i pressed F10 but nothing happend. inserted all kind of cds like windows 7, rescue emergeny cd- but nothing ...
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25 views

Grub dont work with dualboot windows 8

I have window 8 installed, and installed in a second partition Ubuntu 14.04. The installation went ok, but on startup Grub don`t work. Window start just like before the installation. Other place ...
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2answers
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How to open Gparted terminal?

I read this doc of gparted to recover from booting issues when a partition is moved. To test the command grub on gparted terminal, I want to open the terminal but not finding a way from my Ubuntu ...
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1answer
38 views

Dual Boot System Operating System not Found (Win7/Ubunty 14.04)

I read through similar problems, but nothing I found solved my particular problem. I used to run a dual boot WIn7/Ubuntu 14.04. I was in Windows when suddenly the screen froze. Cursor was still ...
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2answers
55 views

Is it possible to install windows7 on Ubuntu14.04?

PLEASE NOTE THAT THIS IS NOT A REPEATED QUESTION AS THE QUESTION SIMILAR TO THIS HAVE ALL FAILED TO SOLVE MY PROBLEM. I have tried to install windows 7 on ubuntu-14.04 with a live USB stick, but I ...
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1answer
4k views

How to reinstall newest Linux Kernel?

Hello I upgraded all packages on my Ubuntu, and kernel also. But in upgrading process kernel upgrade failed, and I must always after grub load select older kernel. It is a terminal command to ...
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3answers
2k views

Is is possible to modprobe a module from the boot loader?

I want to modprobe a module from the kernel command line (in my case yaboot, but you are probably more familiar with grub). This is for a workaround for the live CD. I've seen some old advice that ...
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0answers
24 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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1answer
3k views

Got error 'GRUB installation failed' while installing ubuntu 12.04 lts on windows 8

I have Sony vaio with Windows-8. I also want Ubuntu 12.04 as my second OS. I created 50GB root partition and 4GB swap-area partition. But after some time(about 2 minute) while installation I got ...
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2answers
47 views

How to completely delete/uninstall (K)Ubuntu 14.04

I am pretty new to ubuntu/linux. I love the linux idea and i was looking for distribution i would choose. I chose Kubuntu 14.04, burned .iso on dvd and installed Kubuntu without problems. Then i was ...
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2answers
12k views

How to add a GRUB2 menu entry for booting installed Ubuntu on a USB drive?

I am not asking how to boot the LiveCD from a USB. I have 2 Ubuntu installations, one on my computer's internal hard drive and another on a USB drive. Is there a way to add a GRUB2 menu entry (to ...
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10 views

Grub dual boot, multiple drives, booting into windows encounter VSS SPP backup errors

I have a new multi-disc drive computer. Windows 7 OS is installed on a SATA drive with NTFS file sytem. Ubuntu Trusty Tahr 14.04 is installed on a solid state drive using ext4. I hava a third drive ...
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20 views

“error: unknown filesystem” after install

Originally, I tried to install Ubuntu 14.04 LTS alongside windows, but I came across a problem when rebooting (unknown file system). I tried to simplify problem and installed only ubuntu, wiping out ...
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2answers
31 views

Ubuntu failing to install on seperate HDD, blank screen, flashing cursor

I have downloaded Ubuntu 14.04.1 desktop ISO and burned it to a bootable cd and have made a bootable usb drive using both Universal USB Installer and Unetbootin. I have tried mutliple ways to attempt ...
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1answer
9 views

ubuntu didn't restart after using testdisk

I recently switched to ubuntu 14.04 from windows 8. I mistakenly choose remove windows 8 and install ubuntu. By doing this all my windows drive was wiped out. Then I searched for data recovery and ...
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1answer
32 views

Dual Boot: Can't boot Arch Linux

my History I got a PC with Intel 64 Bit Processor. There I have installed Ubuntu 14.04 LTS at /dev/sdb1 and Arch Linux at /dev/sda1. Both swap onto /dev/sdb2. I tried (with succes) to install ...
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How can I add the Memtest86+ options back to the Grub menu?

After having installed the 64bit version of Ubuntu 12.04 on my Lenovo B570 I ran into the same problems I had when installing 11.10 with Grub not playing nicely with a uEFI system. I used the same ...
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1answer
86 views

Computer boots to Grub command line

I've three hard drives with Windows 8.1.1 installed on the first SSD and then Ubuntu 14.04.1 LTS on the third HDD. In BIOS I've chosen to launch 1. ubuntu 2. ubuntu 3. Windows Boot Manager 4. Windows ...
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41 views

Why doesn't Windows 8 appear in the “BIOS” boot selection after Ubuntu is installed?

So, I've installed Ubuntu alongside Windows 8. Everything is fine except when I am in the BIOS I only see the Ubuntu partition. I see the Windows partition in Ubuntu, but just not in the BIOS. What am ...
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2answers
3k views

Boot loading problem after Wubi installation of Ubuntu 12.04 on Windows 7

I was new in Ubuntu OS and I was just trying to use wubi windows installer to get a Ubuntu first for hands-on. I followed exactly the same as the instructions and after reboot win7, there is no ...
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3answers
6k views

Windows 7 + Ubuntu 12.04 + Invalid EFI file path + Boot repair + Grub many entries

I've a ASUS N56VZ with Intel Core i7 - 3610QM, with Win 7 Home Premium x64 pre-installed. This computer come with EFI instead of the traditional BIOS. When I bought it, I had 3 visible partitions. C ...
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1answer
49 views

Can't Boot into either Windows or Ubuntu

History I first installed Windows 8.1 and left around 60GBs Unallocated. Then I tried installing Ubuntu with a USB, but the partition table I had made did not show up. I then tweaked some settings in ...
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1answer
26 views

Windows wont boot when external HDD not connected, how can I fix this?

My current system is Windows 8.1 Pro with Media Center. I wanted to try Ubuntu 14.04, and therefore I installed Ubuntu on an External HDD. (I followed some steps that I found on the internet) After ...
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33 views

Can't get GRUB menu to work after installing Ubuntu 14.04

I installed Ubuntu 14.04 on my laptop and had it set up for a dual boot between Ubuntu and Windows 8. Everything worked fine until I decided to try reinstalling it with the root partition on an SSD ...
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13 views

GPT partitioning on a bios/non-efi motherboard with a SSD

I have a 2 year old Intel DH67CL1 BIOS motherboard(non-efi). I am reading about GPT partitioning and wonder whether it is useful in my case. I have still reservations whether to use GPT and what ...
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10 views

Pruple Screen of GRUB Don't disappear

I had dual-booted my computer with Ubuntu and win8. Both were working fine till yesterday. But now when I start Ubuntu the purple screen of GRUB-2 won't disappear. What Should I do,there is no splash ...
2
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1answer
6k views

After re-installing ubuntu 13.10, stuck at GRUB Rescue, Boot-Repair didn't work!

Because i could not get the WiFi login work, i thought i will reinstall ubuntu, with internet connection to have updated drivers for wireless & graphics etc. I have deleted earlier linux ...
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1answer
19 views

How do I make my grub arguments permanent?

Whenever I boot my laptop, the grub terminal comes up and I have to input the following three lines to boot into my OS: linux (hd0,msdos1)/vmlinuz root=/dev/sda1 initrd (hd0,msdos1)/initrd.img boot ...
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1answer
59 views

Dual Boot / Grub 2 issues (Ubuntu/Windows)

TLDR Version: Problems with Grub2. Boots straight into Grub terminal. I get some "failure reading sector errors" (details below). I've tried running boot repair several times, with a few different ...