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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Using a bootable live cd disk image mounted on the hard drive

I want to mount the contents of a boot-able CD image, like Ubuntu rescue remix, to a partition of the hard drive. So I can have an entry in Grub to boot to the contents of that disk, ...
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votes
2answers
83 views

Install Ubuntu 14.04.1 LTS without losing Windows 7 bootloader

I want to install Ubuntu 14.04.1 LTS alongside with Windows 7. But there is one issue that if I install Ubuntu, I will lose Windows 7 bootloader and it will replace GRUB bootloader instead of ...
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votes
2answers
5k views

GRUB EFI loader cannot find its config file in /boot

I installed Ubuntu, but when I boot I go straight to Grub rescue command prompt (GNU GRUB version 2.00-19ubuntu2.1). I can get a Grub boot interface by typing: set root=(hd0,5) set ...
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votes
0answers
24 views

grub2 not showing in full screen

I changed my grub2 settings to 1920x1080, but when the menu option shows during bootup, it's not in full screen (it has black bars at the top, bottom, & sides. I have a 27" monitor, and was ...
0
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0answers
15 views

Ubuntu GNOME on a USB 3.0 thumb drive: GRUB cannot be installed

I previously installed Ubuntu GNOME just fine on a USB 2.0 drive with the installation wizard, just like you would on a hard drive. I just bought a USB 3.0 16GB drive so that I could run it at a ...
2
votes
1answer
141 views

Bootloader issue on dual-boot

First of all I would like to mention that, I'm completely aware of the duplication rule of this forum and this post has been made only after due research on the topic. Problem I dual-booted a ...
3
votes
6answers
3k views

Ubuntu 12.04 LTS on pendrive

I've got a problem with installing Ubuntu on Pendrive. Steps I made: Downloaded ISO from Ubuntu site. Burn it on DVD. Run PC from the DVD (pendrive is plugged in). Followed instruction on the ...
0
votes
1answer
15 views

Ubuntu get stuck on Restart or any other event, Force switch off leads to a broken boot loader

I Have Ubuntu 12.04 installed in Lenovo ThnkPad S540. nce in a while ( 3 times for the last week), Ubuntu got stuck when I restart or even when im working (pulled out extended monitor). Then when I ...
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0answers
42 views

Dual Boot WIn8.1 and Ubuntu 14.04 messed up with easyBCD [duplicate]

So i successfully installed Ubuntu 14.04 LTS alongside my preinstalled win 8.1. But then i tried messing with easyBCD 2.2. So after choosing easyBCD option to restore everything to default settings i ...
0
votes
1answer
25 views

Already dual booting windows and ubuntu but want to install latest ubuntu on another hard drive [duplicate]

so currently I'm already dual booting windows and ubuntu. I've bought a new hard drive where I want to install the latest ubuntu but I want to keep my current setup whilst I make the transition to my ...
0
votes
2answers
75 views

Windows 8 dual-boot: bootloader problem (grub)

I currently have a dual-boot system with Windows 8 and Ubuntu 14.04, on separate hard disks. I have installed the Grub bootloader using the Boot-Repair tool; however, it seems that whenever I boot ...
0
votes
1answer
235 views

How to use NVIDIA GTX 970 GPU?

I have NVIDIA GTX 970 GPU, which is pretty new chip and it is not recognized by nouveau driver shipped with Ubuntu 14.10, hence I am stuck on 1024x768 resolution on Full HD monitor - not so good. ...
0
votes
2answers
29 views

LUbuntu OS and the drive on which it was installed both MISSING!

I have 2 hard drives on my machine. One 500GB(master drive) and one 40GB(slave drive). I originally had Windows 7 installed on my first drive(i.e. 500GB drive). I am planning to install LUbuntu ...
1
vote
1answer
3k views

How to use GRUB as default bootloader while dual booting Win7+ubuntu

I installed windows 7 first and then Ubuntu, booted back into windows and used EasyBCD to use the Windows 7 bootloader for dual booting. So when the system is rebooted Windows bootloader comes up ...
1
vote
1answer
25 views

Triple-boot replace Grub

I'm triple booting Ubuntu, Win 7 and Arch. At present I'm using grub installed by Ubuntu. I would like to replace it by installing Arch's grub. My question is: Will Ubuntu updates break or replace ...
1
vote
0answers
190 views

After Dual-Boot, Starting Ubuntu Ends At Purple Screen

I recently dual-booted my laptop with Ubuntu 14.04 and Windows 7. However, every time I try to start Ubuntu from Grub, it ends at a purple screen and the fan kicks on high. This is also the case when ...
0
votes
0answers
19 views

How to prevent Ubuntu from installing a bootloader? [duplicate]

I want to know if it is possible to prevent ubuntu from installing a bootloader in UEFI install mode as to use gummiboot, my current boot manager which works just great for Arch. My objective would ...
2
votes
0answers
41 views

Can this error cause computer to reboot

There are 11 computers in my classroom. Yesterday they began to reboot randomly, all of them. I reinstalled Ubuntu and got this error everytime. Also, after reinstalling the rebooting continued. Can ...
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0answers
36 views

grub doesn't work after dual booting win 8.1 and ubuntu 14.04 lts

Just installed win8.1 and Ubuntu 14.04 lts But the grub doesn't show at all When booting.... Also Nothing happens When I press during the booting process. It just loads the Ubuntu as default
0
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0answers
51 views

(Boot Problem) Error: attempt to read or write outside of disk hd0. grub rescue>

So I normally auto-boot to windows through grub because of music software incompatibilities with Ubuntu. This message (in the title) came up one day and I could never figure out what happened, but It ...
1
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0answers
9 views

Installing Ubuntu and get the error cp: write error: No space left on device

I downloaded Ubuntu 14.04 x64 Desktop burned it to my 16gb Sand disk USB drive. I rebooted my PC with this in and it came up with the grub 2 loader. I tried running install Ubuntu as well as try ...
5
votes
7answers
18k views

Lost Windows 7 in GRUB after installing Ubuntu 14.04

So today I've decided install the new 14.04 (64bit) on top of the 13.10 (32bit) Ubuntu that I used to have dual boot with Win 7. So it gave me number of options to install the 14.04, one of them was ...
0
votes
1answer
22 views

What do I select for “GRUB install devices” after an update on a VM?

This is almost exactly the same as What do I select for “GRUB install devices” after an update? - or perhaps it isn't, hence asking, as I'm running Ubuntu on a Virtualbox machine via Vagrant. I was ...
0
votes
0answers
27 views

Unable to boot into anything

I ran into the problem described here and applies the solution suggested there. Now when I start this device, I just get the GRUB 2 CLI. I'm no longer able to get onto the live CD to reinstall (even ...
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2answers
4k views

“Gave up waiting for root device” while booting

I just installed Ubuntu 13.10 from USB flash (with Universal-USB-Installer-1.9.4.4). It´s well done. But I got boot problem when I restarted my notebook (Acer Aspire 1410, 2 GB RAM, 250 GB HD, Intel ...
0
votes
2answers
264 views

No GUI install Grub Customizer 14.04

Don't see Grub Customizer in system tools and can't start using gksudo Terminal command line paste: user@LC2530Sb:~/Desktop$ sudo add-apt-repository ppa:danielrichter2007/grub-customizer [sudo] ...
2
votes
1answer
146 views

Enabling dual boot of windows after rewriting MBR with GRUB

Some time ago I had two operating systems on my hard disk, Windows Vista and Windows 8 and I could double boot them. Windows vista was installed on the active partition (C:\ drive). Then I formatted ...
0
votes
1answer
3k views

Problems booting Ubuntu, “gave up waiting for root device”

I had very odd things happen after I decided to upgrade my Ubuntu 12.04 installation to the newer 13.10. I decided to upgrade version by version to avoid losing my configuration. The upgrade from ...
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0answers
60 views

Default Grub2 entry doesn't point lastest kernel version + “selinuxfs mount failed” boot error: how to repair?

I installed Ubuntu 14.04 in multi-boot with linux (Mandriva 2011/Grub Legacy). First it seemed to work. But on my first update in Ubuntu, I was "strongly adviced" by the system to update grub and got ...
0
votes
0answers
33 views

unable to boot ubuntu after upgrade,even after changing ro to rw in grub

My os was already 14.04 but my friend did some upgrade, after which it is not booting,showing serious errors were found while checking the disk for /. I searched on internet, and tried changing ro to ...
0
votes
2answers
50 views

ubuntu bootloader doesn't detect window 8

After installing ubuntu, using something else option and installing it on a different disk than windows 8 , I starting my computer and ubuntu loaded without any boot loader. So I searched in internet ...
0
votes
1answer
85 views

Boot-Repair doesn't fix the boot for Ubuntu 14.04.1 LTS (trusty)

I recently installed Ubuntu 14.04.1 LTS on my laptop (Samsung ATIV Book Lite 9 - NP905S3G-K08TR). After a pure installation run into boot problem and tried Boot-Repair. Actually, boot-repair seems ...
0
votes
0answers
25 views

Cannot mount 2 windows merged ntfs volumes in ubuntu 14.04

when my brand new Ubuntu is trying to mount my two hard drives that was merged in windows 7 I get this message: Error mounting /dev/sdc1 at /media/luttikon/Media 1: Command-line `mount -t "ntfs" -o ...
0
votes
1answer
35 views

How can I correct logical bad sectors in HDD in Ubuntu?

During boot time I found that my hard disk had logical errors in different sectors. I did my research and ran this command: sudo badblocks -sv /dev/sda1 > bad-blocks-result This command created ...
0
votes
1answer
34 views

Dual boot fails when modifying BIOS

I have a Toshiba Satellite p50 with pre-installed Windows 8.1. I installed Ubuntu 14.04 and the UEFI dual-boot worked fine for some time. However, I realized that every time I make any change in the ...
2
votes
3answers
25k views

Windows 7 and Ubuntu 13.04 dual boot, GRUB menu not showing

I have Windows 7 Home premium 64bit installed on my laptop, Now I have installed Ubuntu Desktop 13.04 from bootable flash but Ubuntu GRUB menu not showing. When I start my PC, after normal boot, ...
0
votes
0answers
62 views

apache2 doesn't start at bootup

first a short description of our environment: 1x Ubuntu 14.04 Serveredition 1x USB-Dongle for our barcode scangun 1x USB-Keyboard 1x VGA-Monitor Apache2, mysql, php5.x installed and configured ...
0
votes
1answer
45 views

I messed up university computer

I'm using university PC which is Lenovo that came with Windows 8. I want to install Ubuntu to it. I've backed the data up, made extended partition, and installed Ubuntu. I have done this before to ...
8
votes
4answers
14k views

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 ...
0
votes
2answers
26 views

How can I boot to linux command line from GRUB? [duplicate]

I botched a gnome install on my virtual box and now when it boots it just hangs up at a black screen. I wante to get back into a command line and uninstall/reinstall gnome...
0
votes
2answers
35 views

After inserting a new OS entry, GRUB2 asks for password

Yesterday I installed a new fresh Ubuntu system, and installed Android-x86 in another partition. Then I followed this tutorial to add an entry for Android-x86. My 40_custom file: #! /bin/sh -e cat ...
0
votes
2answers
56 views

Why can't I boot from my SSD?

Recently, I bought a 250GB Samsung 840 EVO SSD. I wanted to migrate my system to it, so I copied my / and swap partition to it and ran boot-repair. The program told me I was in EFI mode so I made an ...
0
votes
1answer
25 views

after expanding 'Ubuntu installed' partition, I got error

I expanded the partition on which I have installed Ubuntu and then tried to reinstall grub using BootRepair and got following error: The boot files of [The OS now in use - Ubuntu 14.04.1 LTS] are far ...
0
votes
0answers
32 views

Dual boot MS Surface PRO issues

I'm trying to successfully get my Surface Pro to dual boot Ubuntu, alongside windows 8.1, using a 128gb SD card I came across a guide (Dual boot Surface Pro with Ubuntu?) and followed it, but there ...
0
votes
0answers
33 views

Bootable pendrive with windows 8

After formatting pendrive on ntfs setting bootable flag, installing grub and coping windows installation files to pendrive eg. win fodler how to set grub.cfg to boot windows from pendrive win folder ? ...
0
votes
4answers
2k views

grub-install fails after upgrading from 12.04 to 14.04 (grub-pc is broken)

I just upgraded from Ubuntu 12.04 to 14.04, but during the installation grub-install failed: I continued with the installation and hoped to fix the grub issue afterwards. However, I ran into some ...
0
votes
1answer
52 views

Dual Boot EFI Windows 8.1 / Ubuntu

Grub 2 works fine with the Ubuntu entry, but I'm missing the Windows 8 entry. Windows 8 is on /dev/sdb with 2 partitions (sdb1, sdb2), Ubuntu is on /dev/sda. http://paste.ubuntu.com/9442112/ Any ...
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vote
2answers
3k views

Black screen when trying to install ubuntu 13.10

I am in need of some help. It has been 2 weeks since I bought my first ever windows laptop with the aim of replacing windows but I have been unsuccessful. The hardware is as follows : Asus 15' F550D ...
1
vote
1answer
71 views

How to show boot messages in 14.10?

I am trying to show the boot messages but all I get is an almost black screen until I see the login manager. I removed quiet and splash I removed quiet and splash and added noplymouth I removed ...
0
votes
1answer
63 views

Win7 won't resume from sleep/hibernation

I read many posts about this problem, but most of them consider the user a linux expert who knows what he's talking about :/ I would really appreciate it if someone can solve this problem for a ...