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 question mbr

Apparantly I have grub installed on the MBR of 2 drives, my question is 'how can I check this?' And 'how can I solve this?' I am using Ubuntu 14.04 lte in dual boot with Windows 7, this all works ...
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22 views

Triple-Boot with GRUB on ubuntu

I installed the ubuntu first, then windows. Windows did overwrite on the GRUB, so i recovered GRUB and now I am able to dual-boot. My question is, if iI install Manjaro now, on a different partition, ...
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1answer
37 views

Grub boot probelm

I have Ubuntu 14.04.2 installed on my first HDD (500GB) with a second drive(1TB) as a backup (500GB), and the rest(500GB) non allocated. I needed to run a windows based only program for school so ...
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43 views

How to dual boot Ubuntu with some other distribution?

My laptop initially had Windows 8.1 with UEFI firmware but now I have replaced Windows with Ubuntu 14.04. Now I want to install Kali Linux alongside Ubuntu. How can I do that?
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2answers
89 views

Install Windows 8.1. with BIOS unaccessible

I've got really annoying problem and can't seem to figure out how to work it through. Recently I cleared my hard drive and installed JUST ubuntu 12.04 and of course upgraded to 14.04. Now I need ...
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29 views

Installing ubuntu with windows 7 Disk error load

I'm new using Ubuntu my life was going great after i installed alongside with Windows7 that's where problem happens. :) I see that this issue is extremely common but I didn't find any properly ...
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1answer
27 views

Windows 8 not showing up in GRUB

Initially my computer was going straight to BIOS and I couldn't even get to GRUB. I've ran boot-repair using a live session from a DVD, here was the output : http://paste.ubuntu.com/10615351/. After ...
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20 views

Ubuntu 14.04 does not autoboot

My Ubuntu 14.04 doesn't autoboot, I've to manually select the default grub item. My /etc/default/grub: GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=2 ...
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I have 2 SSDs one for windows the other for ubuntu. No gurb on sda

I installed Windows 8 on sda and I installed Xubuntu on sdb, but I don't like using Ubuntu grub to change sda mbr. I like to use a simple F12 solution for dual boot. How can I remove grub on sda and ...
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2answers
40 views

Broken Sudo and no write privilige on file system

I had upgraded ubuntu12.04 to ubuntu14.04 and it didn't boot unless I edited this line in the grub menu linux ${rel-dirname}/${basename} root=${lINUX_HOST_DEVICE} loop=${loop_file_relative} ro ...
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1answer
45 views

Dual boot giving boot priority to Ubuntu 14.04 (UEFI based)

I will install ubuntu in a computer with pre-installed Windwos 8, this summarize all procedures (Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)), but something very ...
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24 views

GRUB2 booting raw hdd disk image via loopback

First of all, i tried to google, but only found how to's for booting iso files with grub via loopback. Im running linux mint 17.1 64, up to date. i have a complete dd image of a 128GB SSD with ...
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1answer
36 views

GRUB not showing up

I installed Ubuntu 14.10 alongside windows 8.1 and it was working fine until I ran the CHKDSK command in windows now when I restart the PC, there is no GRUB screen and the PC boots directly into ...
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0answers
52 views

Trying to Install Ubuntu 14.10 but will not boot from the hard drive

Okay, I've been at this for 3 days now. I am installing Ubuntu Via USB and I'm using the Universal USB installer and downloaded the Ubuntu 14.10 version. I tried two ways to install it to the hard ...
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11 views

Installing 12.10 on the drive where 14.10 is installed

I have a Dell laptop with 64 bit architecture. I installed 14.10 and windows 8.1 as dual boot. Later I tried to install 12.10 on the same drive(/sda6) as 14.10. The installation was successful but ...
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0answers
33 views

Strange boot issue (purple screen)

I'm somewhat of a noob when it comes to this kind of stuff, but I am a computer science student so I am familiar with operating systems. Anyway, I'll try to be as detailed as possible in describing ...
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2answers
82 views

Failed to open \EFI\Microsoft\Boot\grubx64.efi - 80000000000000E

I have a fresh install of 14.04 on a new SSD. Everything was running fine until I ran boot-repair for some reason that I cannot remember. Now when I boot up I get the following errors: Failed to open ...
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0answers
16 views

Why couldn't I see grub when first dual-booting with Windows 8? [duplicate]

I just installed Ubuntu. When I rebooted the PC Windows 8 was starting automatically. I thought that "Install alongside Windows 8" meant, that I could directly use the dual-boot, but I had to use ...
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2answers
61 views

Unable to boot into windows 8.1 after installing on seperate partition (not preinstalled)

I have decided to give Ubuntu a try, so i decided to install it alongside my Windows 8.1 (not preinstalled - It was delivered with win7), though i had to make a custom install (had the "no system ...
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1answer
48 views

Cannot boot to Windows 8.1 after installing Ubuntu

The issue is fixed, I had forgotten to change boot mode and boot priority in BIOS to UEFI and UEFI First, and also 'Optimize for' from 'other OS' to 'Win8 64bit' First of all, sorry if this question ...
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2answers
80 views

Dual boot ubuntu-gnome 14.10 and windows 8.0 on sony vaio note [closed]

I had many problems to fix the grub on my Ubuntu Gnome 14.10. In my case, I formatted both Linux and windows, but this can help if you only format your Ubuntu. Go to the BIOS interface, disable ...
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32 views

Booting Ubuntu 14.10 alongside Windows 8 stops working on installation of nvidia drivers

So I've built my own PC, and I'm trying to install Windows 8.1 and Ubuntu 14.10 alongside each other onto a 3 disk RAID5 array. The PC also has a fairly beefy video card (a Gigabyte Nvidia GeForce ...
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2answers
78 views

Ubuntu Server 14.04 after perfect install, boots into blank screen

After installing Ubuntuserver 14.04.2 LTS without any errors I tried to boot into my SSD and then I just got to a blank screen with a blinking underscore. There was no input except for "Ctrl + alt + ...
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27 views

Ubuntu Grub-Customizer: After first reboot after changing settings, Ubuntu freezes after Login

I can't do anything, this has happened to me twice, after logging in, I can move my mouse but it only shows my wallpaper, and that's about it. I didn't know what caused it the first time, but now that ...
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19 views

Disk shown invalid after ubuntu installed with windows 8.1

I have recently installed Ubuntu with windows 8.1. It worked fine but one day it crashed my windows boot-loader. In diskpart section of windows troubleshooter (cmd) my disk is shown invalid and I ...
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25 views

executing 'grub-install /dev/sda' failed

I am installing Ubuntu 14.04 as dual-boot with Windows 8 in my HP pavilion laptop in UEFI mode but after some processing it shows an error executing grub-install /dev/sda failed. this is a fatal ...
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24 views

Windows 8.1 not booting after trying ubuntu 14 on hp 1000

It all started when I made my harddisk drive bootable and uses C (where my windows 8) was installed to boot ubunt, I used unibootein software for it. It worked fine for me every time on start up I ...
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33 views

Solved-Install Ubuntu on Yoga 2, first windows 8 install

So, I recently just got a Yoga 2, and found this guide to installing ubuntu on it https://datainfer.wordpress.com/2013/11/21/install-ubuntu-on-ideapad-yoga-2-pro/ My question is, In the guide, it ...
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1answer
43 views

Visualizing linux GPT partition (EFI) from Windows Host

I created a rescue grub.iso using the following script. This code worked for me when I using Windows 7, Ubuntu 12, MBR: #!/bin/sh set -e wk_dir=$(mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") mkdir -p ...
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1answer
28 views

Repair GNU GRUB [duplicate]

I have Ubuntu 14.04 LTS as Dual-Boot with Windows 7 and everything worked superb. Then as I booted my PC GNU Grub rescue popped up and told me, that it couldn't find my SSD. But as I booted into the ...
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25 views

Ubuntu 12.04 and Windows 8.1 efidisk read error

I successfully dual boot Ubuntu 12.04 and Windows 8.1 UEFI Boot Mode Ubuntu 12.04 and Windows 8.1 UEFI When I boot, it shows error:efidisk read error, but it goes to Grub's boot menu right after ...
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2answers
34 views

Grub can't be saved after modification

I have Ubuntu 14.04 32 bit machine on my lenovo g580. Default brightness keys are not working and can't decrease brightness in settings also. The brightness has been fixed at maximum. I followed few ...
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0answers
25 views

Windows 8.1 updated and now grub is in boot repair [duplicate]

After i updated my Windows 8.1 partition and rebooted into Grub2 it put me straight into grub repair. How could i fix this because it is very annoying
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23 views

grub rescue> error: unknown filesystem

I deleted the partition where linux is installed on my computer as per the given instructions in askubuntu.com forum. Then I restarted my system to perform the following commands in command prompt: ...
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0answers
38 views

Black screen and restart after grub menu

So looks like this question gets asked a lot, but it is after ubuntu is installed it seems. I haven't messed with a Linux distro in awhile, but I am sure I am doing it right. I have tried installing ...
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1answer
26 views

Bootchart and how to optimize boot time

I have spent some time researching how to decrease my boot time. I made several changes to my grub boot parameters. However I could really use some help to understanding what else I could do. I spent ...
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0answers
22 views

How to repair grub to prompt for Windows or Ubuntu?

http://paste.ubuntu.com/10583474/ I've pasted the link into this email that Boot Repair spit out to me. I believe that I've successfully partitioned my hard drive and installed Ubuntu 14.04.2 LTS ...
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0answers
26 views

Grub Customizer not changing anything

I've changed the order and removed a couple entries in the Grub menu. I hit save, and it goes through saving without an issue, and when I run update-grub, it's output matches my changes (ie. found ...
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1answer
28 views

Update grub to remove old installations of Windows and Linux?

I know you are gonna say this question is already asked but all i could find in searching is answers on how to update grub to remove old kernels and/or installations of linux. My question is a bit ...
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1answer
32 views

How to bypass “Try it / Install” screen when booting from USB Live Session of 14.04 LTS?

I'm trying to accomplish the exact same thing as MestreLion from this question. The answers given there were for 11.04 and 13.10 and are no longer workable for 14.04 LTS. Basically I want a 14.04 ...
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1answer
50 views

What is the changes to be made in the BIOS settings to show OS options before booting?

In my laptop I have installed two operating System(OS) Windows 8.1 & Ubuntu in different partitions. When I switch on my lap it was not showing any options for choosing OS, automatically windows ...
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1answer
78 views

fix error: no such partition. grub rescue WITHOUT cd drive

I'm trying to completely remove UBuntu from my Asus Eee PC 1015PEM because I'm giving it to a relative. I thought it would be as simple as deleting the partition it was stored on using Windows Disk ...
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22 views

Win7 nor Ubuntu 14.10 will not boot after installing Ubuntu

After installing Ubuntu the computer now just boots to a black screen. I booted to the Live USB stick and attempted a boot-repair and they said to paste this link for help ...
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0answers
54 views

Triple Boot Yosemite Bootcamp Ubunutu 14.04.2 Blank Screen

Installed Ubuntu to MacBook 2009 running Yosemite and using rEFInd. I managed to get Ubuntu to boot successfully once, straight after install. However, after a few minutes it locks up. Upon reboot, I ...
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Multiple Grub Theme Images

This is slightly related to a question that I have had previously (but have had yet to get an answer for). I would like to have multiples images for my grub theme. I was wondering if there if is a way ...
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2answers
89 views

Help With Dual Boot Ubuntu 14.1 and Windows 8.1

So here's my problem. I used YUMI from pendrivelinux.com, and I made a Ubuntu LiveCD. I tried manually and automatically partitioning, and I ran into many problems. After rebooting after installing ...
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1answer
26 views

Ubuntu Partition deleted and got i386 file not found error

My query might be looking similar to others which are already posted here and in other forums. But i didn't see exact problem what i am facing. Here we go, My mistakes: Tried to install windows ...
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1answer
26 views

No Windows Boot Option In Ubuntu

So I recently installed Ubuntu, but I didn't give it enough space. It started acting weird, so I restarted the computer. Afterwards, it just had a black screen after it started up. I tried the Windows ...
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2answers
39 views

Grub not finding Windows partition

I recently had a dual boot system with Ubuntu 14.04 and Windows 8.1, separated by partition. I had to do a clean install of Ubuntu on the partition with Ubuntu on it due to some problems I had with ...
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0answers
27 views

Windows 7 load from GRUB 2.02 beta, Fatal System Error [migrated]

So, I have a dual boot pc, with Ubuntu on one disk, and Windows 7 on another, in a separate partition. A couple of days ago, I tried to log in to Windows, and have been getting this message ever ...