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 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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189 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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409 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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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 ...
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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 ...
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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. ...
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31 views

grub2: sysmte 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 ...
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24 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 ...
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26 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 ...
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27 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 ...
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74 views

GNU GRUB, Minimal BASH-like line editing screen displays before the usual GRUB screen when dual-booting Ubuntu 14 and Windows 8.1

I have read a couple of posts similar to this issue, but it seems many of them could not boot to Ubuntu after getting this screen due to a bad boot manager. It does not seem this is the case for this ...
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13 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 | ...
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68 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 ...
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30 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 ...
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78 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 ...
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18 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 ...
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42 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 ...
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158 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 ...
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21 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 ...
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151 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 ...
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138 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 ...
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70 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 ...
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69 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 ...
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39 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 ...
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87 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 ...
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73 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 ...
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93 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 ...
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49 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 ...
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37 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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216 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. ...
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162 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 ...
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172 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 ...
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24 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 ...
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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 ...
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0answers
82 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 ...
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0answers
22 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 ...
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0answers
62 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 ...
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0answers
36 views

I have no idea what's going on. :(

*Please note that my phone is the only way I can connect to the internet right now. since my PC is having an error which will be explained below. **I might be able to borrow my friend's laptop if I ...
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0answers
28 views

boot issue after cy with dd command (error : file '/boot/grub/i386-pc/normal.mod' not found)

I'm running Ubuntu through a 16GB USB having one partition for the OS and one dedicated for swap and all is working well. I wanted to make a copy of this usb key to a 32Gb key to increase the ...
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0answers
61 views

Uninstall ubuntu from external hard drive + remove bootloader from internal hd

I have created a bootable usb stick with linuxlive and Ubuntu.I then tried to install ubuntu on my external harddrive. However I guess I wrongly picked the drive where the boot section is installed, ...
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0answers
194 views

boot XEN under UEFI-only BIOS

Is there a way to get XEN 4.4 booting from UEFI mode BIOS? My AMD64bit laptop does not support direct CSM/legacy boots. A nasty workaround has been to boot from a specially made USB pendrive with ...
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0answers
25 views

Restore factory setting option in boot menu not working

When I switch on my laptop,after few seconds boot menu comes where restore to factory setting option is available but when I click enter to that then nothing happens.I am using Ubuntu 12.04LTS and ...
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0answers
27 views

Ubuntu partition “unallocated” and Win7 BSODs

I've successfully used Boot Repair to get out of booting binds in the past, but this time I'm stuck and was directed by Boot Repair to share the following web address in a trusted forum such as this: ...
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0answers
25 views

Windows is not in grub menu after trying to put password on

so I put a password on my menu entries followed this How to password protect grub menu entry? guide exactly and now I don't see Windows 7 in grub on a reboot the ubuntu installation is password ...
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0answers
168 views

Windows 7 Drive Not Showing in BIOS Boot Menue after Ubuntu Install

I've looked through many problem solving techniques for similar problems, but with my set-up it appears none of them are quite relevant. My computer is a HP Envy Phoenix with 3 drives installed: ...
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93 views

Boot-repair (Or ubuntu grub) somehow stopped bios setup

I am using Ubuntu 14.04 since it launched. All of functioning of bios and grub where running properly. One day I used boot-repair for some reason. After few days I noticed that Bios set-up doesn’t ...
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0answers
67 views

How to set up GRUB after 14.04 and Windows 8.1 are installed?

I have installed Ubuntu x64 bit on my Toshiba Satellite laptop. If I turn off the UEFI boot and change to CSM boot, Ubuntu will load. If not, Windows loads like normal which is fine. My other ...
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318 views

14.04 - Replaced drive in Software RAID 1 - How to make bootable?

I have an Ubuntu 14.04 x64 server with 2 500GB drives (sda and sdb) in a software RAID 1. I just had to replace sdb. Adding it back to the array with mdadm and resyncing was a snap. The problem I'm ...
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0answers
61 views

Computer restart when I choose Windows 8 in GRUB

Good morning, I installed Windows 8 on an old P4 and it worked. Then I install Ubuntu 14.04.1 LTS after having created a partition for it. Everything went right and I can access Ubuntu by choosing ...
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75 views

Black screen on bootup

I've had a problem since loading ubuntu alongside my windows install now. I'm running 14.04 and using Gnome 3.12 shell and Lightdm. When booting up the Ubuntu splash screen looks normal and pushes me ...