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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How to boot Ubuntu 12.04.2 LTS with UEFI, Nvidia graphics and dm_crypt encrypted LVM

I've just gotten 3 new systems, with Nvidia GTX 660 graphics, Z77 chipset and AMI UEFI BIOS. I've installed Ubuntu 12.04.2 LTS from the Alternate Installer in order to install onto an encrypted LVM ...
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2k views

Ubuntu 13.04 - Black screen with unresponsive cursor

Few days ago I installed ubuntu 13.04 on a new machine without big issues. Today, after the boot, I have this situation: grub correctly loaded and normal boot normal purple screen with red dots ...
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85 views

grub customizer broken after changing grub backround image option

As you can see from the paste I have a dual boot laptop with win7 and Ubuntu 12.10. The grub broken after messing around with background picture with grub customizer.I didn't proceed to any change ...
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404 views

ATI HD 6320 ASUS Brightness doesn't change

When i press Function + [F5 or F6] to increase or decrease the brightness, the adjustment display on top right pops out and the slider moves but the screen brightness remains the same. i've done ...
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179 views

Setting up a bootable usb iso

So, I've got an ext3 partition on a removable USB device. Its /dev/sdb1 on my system. After mounting this partition: sudo mount /dev/sdb1 /mnt/USB I install grub on it: sudo grub-install ...
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1k views

Can't access grub menu by holding shift

I need to be able to set the nomodeset flag for the system to boot correctly, however pressing and holding shift after the boot screen does not give me access to the Grub menu. I need to point out ...
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126 views

Attempt to install Ubuntu 12.10 from Windows but get GRUB instead

I have a Ubuntu ISO that I have just downloaded from ubuntu.com and used the Windows Installer (Wubi) to install Ubuntu, but when it boots, instead of Ubuntu I get some GRUB ... something. I have ...
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1k views

Installing 12.04LTS Server on a Fake RAID10

Scenario Install Ubuntu 12.04LTS Server on a RAID10 with boot on a RAID1. 4 - 2Tb SATA Hard Drives 3 Partitions (/boot, /, and swap) boot (256Mb from each disk) setup in RAID1 /dev/md0 partition ...
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307 views

Grub Customizer does not start

I recently installed Ubuntu 12.10 as a second OS dual-booting with Windows. And by default I need to boot to Windows. So, I decided to install Grub Customizer through the terminal: sudo ...
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63 views

Change Bootloader title to include bit

Secondlife runs on 32 bit linux. I've tried WINE, Crossover, and installing the 32 bit libraries. Nothing has worked so now I'm having to install a 32 bit copy of Ubuntu as a second partition just to ...
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396 views

Grub Customizer Error on startup

I cant start Grub Customizer in ubuntu 12.04 after updating the kernel: exception '15AssertException' with message 'found unexpected file on path: /etc/grub.d/10_linux' in ...
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329 views

when installing /boot inside a lvm group, where do I install the boot loader?

I am setting a personal file/cloud server based on ubuntu server 12.04 and owncloud but there are certain things about the partitioning that I can't get my head around... Let's say for example I want ...
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708 views

How can I fix this error file /boot/grub2/i386-pc/normal.mod not found

I recently replaced Windows 7 with Ubuntu 12.10. I chose the option to replace windows so I am not dual booting. I am currently running off a flash drive since after I tried the install the error ...
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135 views

Copying data from Centos hard drive to Ubuntu

I have a 2 PCs wiht ubuntu 10.04 and centos 5.8 installed.I want to copy all the data from Centos hard drive to one with ubuntu. How can I do this ??? I have tried directly plugging centos hard drive ...
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70 views

Three file not found errors before Grub menu appears - caused by 12.10 upgrade

After just upgrading to 12.10, I see three Error: File Not Found lines flash up on the screen at the very start of bootup, just before the grub menu appears. The system still works properly after ...
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183 views

ubuntu 12.04 Booting error

i have ubuntu 12.04 downloaded along side my windows 7 sony viao laptop, ive used it for a couple of months, yesterday i decided to boot onto windows then it did something that messed up ubuntu. when ...
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3k views

“hd0 out of disk” / “hd0 write error” (still boots)

I was doing a series of upgrades of my desktop which had 10.04, aiming for 12.04. Somewhere in the middle, GRUB began displaying "error: hd0 out of disk / press any key to continue", but the boot ...
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769 views

How to fix GRUB on dualboot with Windows7 and Ubuntu?

I am a relatively recent user of Linux. I had several releases of Ubuntu installed on my laptop working in dual-boot and never had any issues. Recently, I installed openSUSE because I thought it ...
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368 views

Edit Windows Boot Loader from Ubuntu

I am using Ubuntu 12.10, and Windows 7. I accidentally removed the Windows option from the Windows Boot Loader using EasyBCD. I do not know how to access the windows boot loader configuration files. I ...
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648 views

grub menu resolution problem on ubuntu 12.10

When I cold boot Ubuntu 12.10, the Grub menu font is stretched and the background doesn't cover the entire screen, like it's 640x800 resolution. If I reboot the grub menu is perfect, no font or size ...
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197 views

Boot in virtual console mode with full resolution

I am able to either: 1) Boot into X, switch to virtual console #1 and use it at full resolution or 2) Boot into virtual console mode -only and use them with 80 columns max How can I boot into ...
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440 views

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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87 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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485 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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13 views

windows 7 failes to boot afetr installation of ubuntu

I'm trying to install Ubuntu 14.04 with Windows 7 system. After the installation I can't boot into Windows 7 system, when I select the Windows 7 boot loader in GRUB2, it hangs for seconds and then ...
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30 views

Need to press the power button twice for Ubuntu 15.04 to boot

I have a dual boot set up (Windows 7/Ubuntu 15.04). I've recently upgraded from 14.04 LTS to 15.04 and since then, I have to press the power button twice. The first time it goes to GRUB without any ...
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23 views

Ubuntu 14.04 boots on Bios on Asus EeeBook X205TA

Hope someone can give me fix to my problem. I purchased a Asus Eeebook X205TA to access my desktop when away. I installed Ubuntu 14.04 as single OS and completed the install without any errors ...
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30 views

Ubuntu Mate LTS 14.04 boot menu will not load OS

I am running ubuntu Mate 14.04 Lts and just recently I have not been able to boot with the grub boot manager. When I hit enter to load ubuntu, my screen freezes at the boot menu. I am able to login by ...
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86 views

Reduced battery life with ubuntu 15.04

I'm using a Lenovo Z-5070 Ci7. I had a battery life of nearly 4 hours when I was using Ubuntu 14.04 LTS. After updating to Vived Vervet (15.04) my battery life is reduced to nearly 2 to 2.5 hours. ...
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65 views

Something's wrong with my grub.cfg

I know that's pretty generic, but... I installed updates, which included a new kernel. I removed an old kernel and got: joliver@JOHN-DEV:~$ sudo apt-get purge linux-image-3.13.0-46-generic Reading ...
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18 views

Can't go past the grub screen

I am going to preface this with the fact that I am extremely new to Ubuntu, so I don't know much. When I start up my computer it takes me to GNU GRUB version 2.02~beta2-9ubuntu1 Not knowing ...
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17 views

Can I remotely choose and control Grub on an Android device?

This may seem awfully ambitious or like complete nonsense as it probably is. Is it possible for me and others who have dual booted and use Grub to remotely control Grub and select which system to ...
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13 views

Boot-Repair cancel itself

Here is my boot info: http://paste.ubuntu.com/10844469 When trying to boot I get Grub Loading Stage 1.5 wait.. Error 22 My workstation has dual boot Vista (sic!) and Ubuntu at least 14 I booted ...
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23 views

Struggling to boot back into windows after installing ubuntu 14.04

I have a question, and hold on, could be a long one. Previously, I have dual booted my computer with linux mint 17.1. I do not know how I bypassed Uefi, but I somehow disabled it. So, previously I ...
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79 views

Unique problem facing installing Ubuntu 14.04 alongside preinstalled windows 8.1 on laptop lenovo z7080

I have recently buy lenovo z7080 laptop which has windows 8.1 pre-installed. I updated all the drivers and started to dual boot alongside windows with ubuntu 14.04LTS using dvd. I did enable legacy ...
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23 views

dd: Trying to recover my file system

ubuntu: 14.04 By mistake I ran the following command dd if=/dev/zero of=/dev/sda2 bs=1024 count=1 and now grub is unable to recognize file system and so the linux is not starting. I think I have ...
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24 views

New SSD in optical Bay, Cant get boot order to select it first

(fairly new to Ubuntu) Running 14.04 on a Mac (a1278 Mac 5.1), no dual boot just Ubuntu. Just installed a new SSD in place of my optical drive. It was recognized, and I used "dd" to copy my ...
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65 views

Can't generate grub.cfg

Software Up To Date installed a new kernel for me yesterday ( Ubuntu 12.04, kernel 3.13.0-48-generic) After rebooting I ran grub customizer and got an error. Same from update-grub: Generating ...
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35 views

Clean up /boot directory

After an update of my Ubuntu I came to the error, "I cannot update since /boot is full". The thing is, that when I compared the results of the two following commands $dpkg --list 'linux-image*', ...
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35 views

Run a script after every grub-update

I want to run a script automatically after every grub-update. The script itself consists of a single line sed -i 's/[\]"!Windows 2006[\]"/"!Windows 2006"/g' /boot/grub/grub.cfg For this purpose, I ...
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0answers
51 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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0answers
63 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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0answers
53 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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0answers
161 views

How to disable Secure Boot in Asus Z97i Plus to dual boot Ubuntu / Windows 8.1?

In Windows 8.1, I created a bootable USB drive with Ubuntu 14.04 on it. I've installed ubuntu on a partition of the SSD drive. Win 8 is installed on a different partition of that SSD. Problem: the ...
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22 views

Installing Ubuntu server 12.04 - usb is set as primary device

I'm trying to install ubuntu server 12.04 from usb. In bios, I'm setting usb as first to boot and then follow steps from How do I install Ubuntu Server (step-by-step). But when it comes to installing ...
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41 views

Boot to Windows 7 install CD

I am trying to dual boot Windows 7 and Ubuntu on my 2006 Mac Pro. I know the Windows 7 install CD is good, but I get a bizarre message during the boot process, after which nothing happens. .2 ...
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98 views

(Almost Solved! Help!) Lenovo onekey stuck in GRUB

I have a Lenovo g50-45 with onekey recovery with Windows 8.1 pre-installed. I dual booted with Ubuntu. Then I uninstalled Ubuntu. then tried to reinstall with USB using onekey. I got this screen: ...
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65 views

How to repair grub to work with multiple hard drives?

On my computer I have multiple hard drives. One of them has Ubuntu 14.10 and the other has Windows 8.1. I messed up my boot loader and know only Ubuntu appears in the grub list. Windows 8.1 is on the ...
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49 views

How can I stop KVM guest from pausing on grub menu

I'm using virt-manager to create a VM from a qcow2 image that I previously created. I pre-configured the image to skip the grub screen unless Shift is held down but the first time I launch the VM ...
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129 views

Cannot get grub to show up (directly boots to Windows 7 instead)

Every time I try to boot, my computer goes straight into Windows 7. I had Windows 7 installed and installed Ubuntu 14.04 afterwards, but grub does not show up on boot. Tried holding shift, messing ...