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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Ubuntu 12.04 + Raid0 + Windows 7 not loading

please someone help me.... (Sorry for my english) Hi, I have a Pc with 2 Hd (1Tb each) on Raid0. I had a Windows 7 64bits working for several months. When I installed the Windows I let a 100Gb ...
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Why do I need to create a bios-grub partition when I install 12.04?

Is the bios-grub partition in Ubuntu 12.04 mandatory? I have used 11.04, 11.10 and 12.04, But I was never asked for this. Today I tried a fresh installation of Ubuntu 12.04 and for the first time ...
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GRUB2 stuck at rescue console, showing “unknown filesystem” for all partitions

I installed Ubuntu 12.04 on my external USB drive, where I have a 700GB NTFS partition followed by the new 6GB ext4 partition and a swap partition (all primary). The GRUB MBR is also installed to the ...
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2answers
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Installing Ubuntu 12.04 on a new hard drive and booting from It

I've just bought SSD and installed 12.04 on it. I have 11.10 on my old hard drive. However I can't boot from SSD since grub and everything else is on the hdd. How do I set Ubuntu to boot from SSD?
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422 views

Can not reinstall grub on a ubuntu and window system

I am using ubuntu since tw year and so i am assuming that i am not a total newbie into it. The problem arose yesterday when I used some creepy command to check wether or not it works on my system, ...
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Grub broken after upgrade to 12.04 LTS — no keyboard, can't fix with chroot

After upgrading from 11.10 to 12.04, grub is completely broken. There seems to be an issue with the grub of the live image as well (amd64), it will not recognize my keyboard. (works in BIOS and after ...
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2answers
7k views

ubuntu 12.04 desktop Error: unknown command 'gfxmode'. Pressing any key continues

Premise: linux noobie here, I have the same issue as OP: fresh 12.04 desktop, changed grub with grub customizer, now I get a: unknown command 'gfxmode' press ...etc was asked to "re-post" this ...
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1answer
745 views

DRIconf for 12.04

I'm having problems on 3d acceleration on Ubuntu 12.04 that I hadn't have before on 11.10. I've an Intel HD graphics, what can I do?? I've downloaded DRIconf, I used it on 11.10 and it worked great. ...
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666 views

Booting problem with 12.04

i do have a 12.04 ubuntu on my notebook , but i do have a problem with it. I cannot boot , if i dont press anything then there is a black screen , and it does not boot. If i press the space button , ...
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Installing Ubuntu 12.04 without installing Grub

Using the Ubuntu 12.04 Live CD, is possible not to install Grub? In previous versions, there was a checkbox called something like "skip grub installation", now in 12.04 this checkbox isn't there any ...
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1answer
719 views

Installing Ubuntu 12.04 alongside Ubuntu 10.04

I'm running Ubuntu 10.04 on a netbook with a 160G Hard Drive. If I want to change to Ubuntu 12.04, there are 3 options: Upgrade to 12.04 Erase Hard Disk and make a clean install of Ubuntu 12.04 ...
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1answer
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Triple boot Win 7, Ubuntu 12.04, Fedora 16

I have an HP with a 160GB SSD Primary drive and a 500 GB Secondary drive. I shrank the 500 GB partition to create space to install Ubuntu 12.04 and Fedora 16. I started by following this tutorial ...
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1answer
368 views

Ubuntu 11.10 then 12.04 then 60+ updates then boot only shows grub

I had 11.10 x64 installed on AMD 4core with NVidia card. I had problems changing screen resolution. I have just over-installed 12.04 x64. It went well. Screen resolution changes worked well. I ran ...
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1answer
649 views

grub rescue error while uninstalling Ubuntu12.04

I have xp and ubuntu . I unistall ubuntu using xp desktop by unallocating memory from memory management. After that when i reboot my laptop i got grub rescue error. so after reading some blogs i use ...
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Problem with12.04 install, grub rescue

I have an HP notebook with 2hard drives, /dev/hda & /dev/hdb. I have /home on hda and / on hdb. When I installed 12.04 I reformatted hdb which has the root and swap partitions and left the drive ...
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2answers
6k views

Error on boot: unknown command 'gfxmode'. Pressing any key continues

When I boot into Linux, I get this: Error: unknown command 'gfxmode'. Pressing any key continues It takes about 5 secs to boot after that. Pretty slow compared to 11.10, I think. Anyway, my Ubuntu ...
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0answers
626 views

How to restore the boot logo?

This is a question I had since Ubuntu 11.04: how can I restore Ubuntu's boot logo? I installed it in four different PCs (one of them a VM, another of them, my actual installation on my Mac), and I ...
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5answers
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How do I uninstall GRUB?

A hard drive that I use only for data storage still has GRUB from past Ubuntu installations. How can I remove GRUB from it without harming the rest of the drive's data? Background I occasionally ...
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2answers
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How do I Fix Grub Error 15 on New Dual Boot Install

I just installed 12.04 to Dual Boot (separate partitions) with an existing Win 7. Upon reboot after install things freeze after Grub 1.5 with a Grub Error 15 message. Is there any easy way to fix ...
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1answer
159 views

Dual OS goes into infinite reboot

I have both Windows 7 and Ubuntu 12.04 installed on my Laptop. For some reason, windows had an error, so it started the repair tool. This was taking a while and so I cancelled it. Now my GRUB screen ...
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1answer
672 views

unable to boot from hard drive after upgrade to 12.04. error: symbol 'grub_xpuls' not found

I just upgraded from Lucid to 12.04, and now I can't boot from my hard drive, but get the following error message: the symbol 'grub-xpuls' not found ...and then it wants me to do something to grub ...
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91 views

Upgrade to 12.04 Failed to Install GRUB [duplicate]

Possible Duplicate: GRUB complains of “no such partition” after installing 12:04 I started upgrade and everything went well until I got message that it failed to install (or ...
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2answers
923 views

install xp along ubuntu 11.10

how to install xp along side of Ubuntu 11.10? I'm not sure of how to take backup of GRUB. I want to restore the menu after installing xp to restore my ubuntu. any ideas are appreciated.
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6answers
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How to install Windows 7 after Ubuntu and dual boot? [duplicate]

I just installed Ubuntu, a full install removing the prior OS. I was forced to remove Windows 7 from my HP dv6 because of the max four partitions already being there. I didn't lose anything, all ...
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2answers
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grub2 loopback booting ubuntu server iso

I've got usb-keys setup to multi-boot different linux images using grub2 loopback. The standard ubuntu release isos boot fine, however when attempting to use the server iso it will fail to install ...
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Ubuntu 12.04 & Mac Os X - GRUB Rescue prompt SET commands made permanent?

I recently re-installed my Mac OS X partition. This somehow messed up my entire partition scheme it seems. First I got dropped to the Grub rescue> prompt when trying to boot Ubuntu. I had never ...
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3answers
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Windows 7 and Ubuntu 12.04 Dual boot, Grub not showing! [duplicate]

I've installed Ubuntu 12.04 alongside with Windows 7. Everything is fine until i want to enter Ubuntu. When I start my pc, after normal boot, there is no Grub or OS Selection menu, and my system loads ...
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1answer
318 views

How can I only load up the terminal via grub then upgrade

So after the upgrade I made last night I can't load up the GUI properly. I have a feeling the upgrade died half way through. Grub is working. All the kernals are listed. That being said how can I: ...
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1answer
2k views

VOC Monitor “Input Not Support” on GRUB

When I boot my PC with both Windows and Ubuntu installed: I always get the exact message "Input not Support" without the -ed flashing on my VOC monitor. GRUB does not show so I can't reach Windows. I ...
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4answers
1k views

Windows 8 boot failure since Ubuntu 12.04 upgrade

I have had Ubuntu 11.10 installed on my computer on one hard disk. On another disk, there is Windows 8 Consumer Preview. I've been able to dual-boot with my BIOS's HDD selector. When I updated my ...
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1answer
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Change boot screen resolution [duplicate]

Possible Duplicate: Enabling Nvidia driver messes up splash screen How I can change the boot screen resolution in Ubuntu 12.04 to 1680 1050? The resolution now is very small
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Ubuntu 12.04 boot up is unreasonably slow

One of the things I like about Ubuntu is the allegedly fast boot time, unfortunately that's not the case for me anymore. On my computer Ubuntu itself boots up in forty seconds (from choosing Ubuntu ...
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2answers
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error: invalid arch independent ELF magic. Dual boot with SSD [duplicate]

Possible Duplicate: GRUB: “invalid arch independent ELF magic” after install on SSD I am currently trying at get an dual boot computer work, where the Ubuntu 12.04 system is spread over two ...
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2answers
4k views

no grub menu for 11.10 and 12.04LTS

I'm already on 11.10 and out of curiosity I installed 12.04 on a separate partition. But when I boot up my machine, it is going into 11.10. It doesn't show up grub menu to select which OS I want to ...
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2answers
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Grub rescue problem after installing Ubuntu 12.04 LTS

I have dual boot with Window 7 And Ubuntu 11.10. Yesterday I tired installing Ubuntu 12.04 LTS , by Manually removing all Ubuntu 11.10 partitions, creating new partitions and installing Ubuntu 12.04 ...
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2answers
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Installed ubuntu but I am not getting boot loader screen to choose between Ubuntu and Windows 7

This is what happened. I was using 12.04 beta. I was asked by update manager to make required updates, which I did. I shut down my pc that night and the next day I was not able to boot in xwindows or ...
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1answer
3k views

Ubuntu freezes running the first time [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? 12.04 Freezes on first run after install, loading screen says 'Preparing to run Ubuntu for the first time...' — stuck on 2nd dot ...
2
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3answers
5k views

Error: unknown command 'gfxmode'. Pressing any key continues [duplicate]

Possible Duplicate: Error on boot: unknown command 'gfxmode'. Pressing any key continues A few days ago, I installed Ubuntu 12.04. I changed the order of systems on the list of boot ...
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2answers
631 views

Whats the easiest way to install Windows 7 via USB side by side with Ubuntu (Other Questions Below)?

I am trying to install Windows 7 side by side with Ubuntu. The computer is already running Ubuntu and I have partitioned the hard drive formatted it for NTFS and have a USB copy of the .iso of Windows ...
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1answer
1k views

Dual boot with ubuntu and windows (ubuntu 12.04LTS) [duplicate]

Possible Duplicate: Cannot dual-boot Windows 7 and Ubuntu? My set up is 1 PC 2 Disks disk1 ext4 ubuntu disk2 NTFS windows 7 and am wanting to dual boot with grub 2. With grub I used to ...
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1answer
179 views

How to resolve home partition tied to older Ubuntu version?

I reinstalled Precise, over the existing Oneiric install and assigned the partitions manually. I have 3 partitions dedicated to Ubuntu. The '/' partition I set to format. The '/boot' partition also I ...
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Ubuntu 12.04 Grub Error while changing default OS

I would like report a problem which i faced after installing Ubuntu 12.04 64 bit http://www.upubuntu.com/2011/11/how-to-change-default-os-at-boot-for.html after following the instruction when i ran ...
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2answers
36k views

How to manually install boot loader?

My attempt to upgrade to 12.04 failed, so I burnt a 12.04 CD, and asked to do a full install, getting rid of all previous OS (I had Windows as well as 11.10). All seemed well until the very end when ...
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1answer
984 views

Uncertainty involving installing GRUB and multiple hard drives

My desktop computer has multiple hard drives. Here's how they're currently set up: Note the Windows 7 loader on the XP drive. My plan for 12.04 was to install it over my XP/Wubi set up and dual boot ...
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2answers
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Upgraded from 11.10 to 12.04 on Windows 7 Dual Boot - Now, no boot! [duplicate]

Possible Duplicate: GRUB complains of “no such partition” after installing 12:04 My HP Pavilion All-in-One pc has a dual boot with the original Windows 7 Home premium dual ...
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0answers
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No upgrade to 12.04 for UK? [duplicate]

Possible Duplicate: No upgrade possible via update manager I am running 11.04 linux ubuntu on my toshiba computer ( 32 bits ) . In the settings for update manager , i did put notifying me ...
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2answers
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kubuntu 11.10 to 12.04 upgrade wipes out grub

Three ubuntu based systems installed on external drive; boot from external drive. Upgrade Kubuntu system from 11.10 to 12.04 wiped out grub. Attempt to boot from external drive results in Grub ...
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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 ...
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3answers
788 views

I can't install grub2

I can't install grub2 on my system. i followed the guide, but when i chroot on my ubuntu partition and type: grub-install /dev/sdb I get this error: root@ubuntu:/# grub-install /dev/sdb ...
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GRUB rescue error: hd0 out of disk [duplicate]

Possible Duplicate: Fresh install won't boot, error: end of disk I was playing a game on my multiboot Windows 7 + Ubuntu laptop. It froze, so I force shutdown the computer. When I load ...