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".

learn more… | top users | synonyms (2)

2
votes
0answers
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 ...
2
votes
0answers
755 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 ...
2
votes
0answers
359 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 ...
2
votes
0answers
645 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 ...
2
votes
0answers
192 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 ...
2
votes
0answers
411 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 ...
2
votes
0answers
86 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 ...
2
votes
0answers
2k views

Simple way to rename GRUB2 entries

I have many different Ubuntu versions installed on my HD. I'd like to rename some of their entries in GRUB2 boot menu. I have tried two approaches. 1) Like mentioned in ...
2
votes
0answers
481 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. ...
1
vote
0answers
12 views

Disabling IRQ #11

I am kind of a noob with linux. I know simple commands like sudo apt-get and things like that. But I have been having problems with my computer. a lot of times I will start my computer and it will ...
1
vote
0answers
19 views

Fresh install of 14.04 - Gave up waiting for root device

I hope you can help me. I've read many, many questions and solutions to my problem on here, however so far I have been unsuccessful in resolving the issue. The system is a Asrock e350m1, 4GB RAM, ...
1
vote
0answers
19 views

Grub2 does not recognize multiple boot partitions with Ubuntu 14.04 installed on each

I had Ubuntu 10.04 or 12.04 installed on three partitions of my 1T byte hard drive. I decided to upgrade all three and downloaded and burned 14.04.1 to a DVD disk using Brasero for the burn process. ...
1
vote
0answers
184 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 ...
1
vote
0answers
30 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
1
vote
0answers
7 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 ...
1
vote
0answers
50 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 ...
1
vote
0answers
24 views

Boot issues on Inspiron M5010 when installing 64 bit Ububtu 14.04. Help!

This is my first time using Ubuntu. I bought a wiped computer from ebay and I'm just trying to install Ubuntu OS. I downloaded the software, formatted my USB to Fat 32. I used UUI and Yumi both to ...
1
vote
0answers
25 views

Bootloader Install Failed Ubuntu 14.04

I tried to install Ubuntu 14.04 on my SONY VPCEL15EN, Every thing worked fine but at the end it shows that Bootloader Install Failed. Now I have 3 options 1 to install somewhere else 2 continue ...
1
vote
0answers
24 views

update-grub fails on lvm cryptoroot

Disclaimer: I'm running this server now but I did NOT install it. I have two disks connected to an Intel Hardware Raid Controller running in RAID1. On top of it there is a fully encrypted 12.04 ...
1
vote
0answers
39 views

Always boot into Ubuntu, but with Windows option on restart

I'm not sure if this is possible - I've tried searching, but can't seem to find anything. I run a dual boot system, Trusty & Win 7 - being in the former about 98% of the time. Here's what I'd ...
1
vote
0answers
67 views

grub2: system restart after menu (nvidia, crypt)

I got a ThinkPad T410i and I installed Ubuntu 14.04.1. Grub is showing up but if I select any Ubuntu boot option the system does a reboot. My first search brought up to add nomodeset because of the ...
1
vote
0answers
38 views

Update GRUB with encrypted LVM on second volume/drive?

On one machine I have an encrypted LUKS container around an LVM on /dev/sda that I can boot into. On the same machine is a second drive with an encrypted LUKS container around an LVM on /dev/sdb (that ...
1
vote
0answers
59 views

Ubuntu 14.10 taking a long time to boot

So, this has only started happening about a week back for no apparent reason. Ubuntu takes almost 4-5 minutes stuck at the purple Ubuntu screen for no apparent reason. Furthermore the GRUB 10-second ...
1
vote
0answers
37 views

After selecting Grub entry, screen switches to power save

After I select an entry (Ubuntu) from the Grub menu, the screen goes to power save mode. I could eventually get the screen asking me for the HDD encryption password by pressing Alt-F1 and then Alt-F7 ...
1
vote
0answers
27 views

Ubuntu signed Grub do not prefix tftp-root directory for tftp requests

$ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 dpkg -l grub-efi-amd64-signed Desired=Unknown/Install/Remove/Purge/Hold | ...
1
vote
0answers
105 views

How to add software RAID-1 to an existing non-RAID system?

I couldn't find any tutorials for converting a non-RAID system (Ubuntu 14.04 in my case) into a disk-level RAID-1 system after installing a second disk (/dev/sdb) Is the following correct? sgdisk ...
1
vote
0answers
38 views

MacBook Pro 1,1 Not Detecting Grub?

I just installed Ubuntu 14.10 on my MacBookPro 1,1. The installation went okay, however GRUB does not work. It's not even detected. I can not bless the Linux disc due to a wiping of OSX. I do not ...
1
vote
0answers
97 views

Plymouth not launching on startup?

So I recently upgraded to Ubuntu 14.10. Steam started having the "GLX context does not support direct rendering" issue, so I decided to go into Software & Updates to switch my graphics driver to ...
1
vote
0answers
21 views

Where to install Grub on a RAID0 HDD?

Where do I install Grub ? Here are the choices I have /dev/mapper/isw_difechbgae_Volume0 Linux device-mapper(striped)(3.0TB) /dev/mapper/isw_difechbgae_Volume0p1 Linux ...
1
vote
0answers
43 views

Whatever I type in the terminal I get prompted to install grub?

Ok, whatever I type in the terminal I get the message from the SS after 3sec, and it just goes in a loop, my grub is working fine and I have no idea why this is coming up. I installed Ubuntu 14.04.1 ...
1
vote
0answers
171 views

Monitor connected to VGA1 went blank!

I have been able to work for the last 3 weeks on two monitors on a Xubuntu 14.04.01 without a problem. All the monitors have been detected nicely and everything run smoothly. One of the monitors is ...
1
vote
0answers
23 views

Accidentally Formatted Red Hat Linux Patition : Getting Grub command prompt

I have 2 disks on my PC. Disk 0 contains Windows 7 and Ubuntu Wubi installation and Disk 1 contains Red Hat Enterprise Linux Installation. When i used to turn on my PC, i was by default taken to a Red ...
1
vote
0answers
209 views

Ubuntu BusyBox initramfs Error 14.04

Suddenly after shutting down Ubuntu and when reopenning, I get prompted to one shell of BusyBox. I only had a set of options in help there. I tried to follow this solution: Boot drops to a ...
1
vote
0answers
271 views

ERROR: No boot disk has been detected or the disk has failed

I've acer-pc which had at the beginning installed oem windows 8 or 8.1 x64. Later I wanted to install custom ubuntu. I checked oem/normal/x86/x64, other windows installations. I've installed os even ...
1
vote
0answers
80 views

Installed Ubuntu 14.04 after Windows (dual-boot) - Windows now no longer boots up

I recently installed Ubuntu 14.04 after several failed attempts at other distributions running alongside Windows 8.1. I have managed to successfully install Ubuntu 14.04 alongside my Windows 8.1 ...
1
vote
0answers
91 views

core.img cannot be found

I get this after trying to reinstall grub using boot-repair: Grub2 (v1.99-2.00) is installed in the MBR of `/dev/sda` and looks at sector 778209992 of the same hard drive for `core.img`, but ...
1
vote
0answers
43 views

Usb Boot Drive works on laptop but not desktop

Weirdest thing, I'm currently running win764 on my main dev build and wanted to dual boot ubuntu 14.04 (I have two hard drives one for each os) but whenever i would boot from the flash drive i would ...
1
vote
0answers
105 views

Can't enter Ubuntu 14.04 with AMD R9 290 (Black Screen)

I've recently installed Ubuntu along side my Windows 8.1 on my HDD. The moment I tried to boot I got a weird purple outline, followed by a black screen and monitor signal loss. I entered grub ,using ...
1
vote
0answers
98 views

Boot repair on raid after crashed system-upgrade

I found it difficult to find an answer to this problem without specific step by step advice. During an Ubuntu system update an error occurred and it froze my PC. After a forced shutdown I encountered ...
1
vote
0answers
102 views

Installing Ubuntu Server 14.04 LTS on a MacBook Pro 7.1, unexpected shutdown happens

I'm trying to setup a webserver on an old MacBook Pro to be able to securely, and remotely, manage our home network stuff. The end goal is to be running Ubuntu Server 14.04 LTS, running an apache2 ...
1
vote
0answers
52 views

How to use Fn+F5/F6 adjust the backlight

My NB is Asus N500JK and OS is Kubuntu 14.04. I try modify /etc/default/grub file. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=" then update-grub After reboot, it can use Fn+F5/F6 adjust ...
1
vote
0answers
38 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 ...
1
vote
0answers
236 views

How to install Ubuntu server 14.04 on LVM RAID?

I want to try install ubuntu on LVM RAID logical volume, but fail on step grub installation. There are my steps as below: 1. use three HDDs called sda, sdb, and sdc to create a volume group. 2. ...
1
vote
0answers
204 views

Can't boot Linux from an external USB SSD drive

Windows 7 OS. Is there any difference between Linux Live CD and Linux installation on an external USB SSD drive in point of view of boot? I can boot Linux LiveCD without a problem when set boot order ...
1
vote
0answers
176 views

Dual Boot Windows 8.1 and Ubuntu 14.04 no GRUB appearing going directly to WIndows

I was trying with my friend to Install Ubuntu 14.04 In Dual Boot Mode With Windows 8.1 UEFI in my new Toshiba laptop. The installation of Ubuntu was finished successfully. However when I rebooted ...
1
vote
0answers
26 views

Dual boot ubuntu 14.04 with ubunut 14.04

I had ubuntu 14.04 with windows 8.1 and I deleted windows 8.1 partition with system reserved partition and when I reboot the system it did not boot. Then I used a live usb and try to save followed ...
1
vote
0answers
27 views

Problem with ubuntu / W8 install and grub

I recently made a mistake when installing Ubuntu 14.04 on an external hard drive plugged to a Windows 8.1 laptop. My problem is that now if I have the external hard-drive plugged I can choose on which ...
1
vote
0answers
86 views

How to make Windows 8 appear in a boot menu when dual-booting with Ubuntu?

I want to ask how to create GUI for choosing OS when booting my notebook. I have Windows 8 preinstalled on my notebook, and I wish to have a dual boot system with Ubuntu, However, after Ubuntu ...
1
vote
0answers
24 views

Grub takes forever to show up

I just installed Ubuntu 14.04.1 LTS on my MacBook Pro 5,3. Everything works fine so far except for GRUB. It takes 5-8 minutes to just show up. The rest of the boot process goes as expected. I'm also ...
1
vote
0answers
67 views

A bit of a keyboard problem

So I've looked all over but I can't seem to find a solution anywhere nor can I find a problem exactly like mine so maybe someone can help me. I want to be very specific just in case I did something ...