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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Where can I find the meaning of “ro”?

I'm having trouble booting my netbook so I'm looking at the grub boot parameters. I know what splash, quite and vt.handoff=7 do. However I can't find any documentation anywhere about what ro does and ...
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4answers
4k views

“grub rescue” prompt after using hp recovery manager to reinstall Windows 7

I used hp recovery manager to install Windows 7. I previously had Ubuntu 11.10 installed. Now when I boot I get a grub rescue prompt and error:unknown filesystem. Does anyone know how to fix this? ...
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1answer
708 views

Missing Windows XP in boot selection

I'm actually having problems to boot back to my windows XP after setting the Ubuntu as default.I was using Ubuntu Startup Manager to change the default boot and also Windows XP setting on startup ...
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1answer
2k views

How to remove Ubuntu 10.10 GRUB bootloader?

I installed Ubuntu 11.10 on my laptop alongside Windows 7, and the GRUB screen was purple. After that, I installed Ubuntu 10.10 and the GRUB screen was black. When I decided to uninstall Ubuntu 10.10, ...
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2answers
54k views

How can I change/convert a Ubuntu MBR drive to a GPT, and make Ubuntu boot from EFI?

I recently have upgraded my PC, my new Motherboard (ASUS M5A99X EVO) uses UEFi instead of the regular MBR option. I have a Ubuntu 11.10 installation that I did when I had my previous hardware (MSI MS ...
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1answer
682 views

My Lenovo S12 laptop (Intel atom) is taking a very, very long time to boot. Can I fix this?

Basically it will not boot without holding down the power key. It has taken as long as 10 minutes.
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1answer
1k views

Recover Windows after Ubuntu Install

Hi I have installed Windows xp and after that i got disk error while installing Ubuntu so I installed using new CD Disk now after successful installation of Ubuntu I didn't get grub menu it ...
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6answers
113k views

Recovering GRUB after installing Windows 7? [duplicate]

Possible Duplicate: How can I repair GRUB? (How to get Ubuntu back after installing Windows?) I installed Windows 7 after it crashed, and now I am unable to boot Ubuntu. Ubuntu ...
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2answers
1k views

Nomodeset Installation

I were following the address from Coldfish on How to set nomodeset, but I don't know how to "save" the changes made to the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset" I hit CTRL+O to ...
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2answers
289 views

Can Grub2 menu be hidden a la Windows?

Is there a way to hide the Grub2 menu so that it does not show by default and boots off the pre-selected OS immediately unless another key, like F8 in Windows, is pressed after BIOS to intercept the ...
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1answer
790 views

GRUB install to wrong partition has broken Windows startup

When I installed ubuntu 11.04 there was an option to choose something about the GRUB loader. The options were for each partition or the entire hard disk. I accidentally chose the Windows partition and ...
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1answer
159 views

How can I install from a 9.04 live USB/DVD?

I have a 9.04 (Jaunty) ISO burned to a USB stick; it appears to be a "live DVD". When I boot from it, I get a GRUB menu listing: Ubuntu, with Linux 2.6.35-generic (This matches the system currently ...
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1answer
568 views

What should be content of grub2 custom entry to boot to another OS on LVM over LUKS along with Ubuntu?

I have Archlinux installed along with Ubuntu on LVM over LUKS. The problem is I cannot boot to arch from menuentry provided by os-prober. Can anyone tell me the custom entry configuration to dual boot ...
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4answers
10k views

How do I reinstall grub2? [duplicate]

Having tried all day to reinstall grub and trawling the internet I have had no luck. I can no longer boot into ubuntu and have tried boot disk frin yannubuntu but the grub tabs are greyed out. Other ...
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1answer
1k views

grub update making automated install stuck

I am following these instructions- https://help.ubuntu.com/community/AutomaticSecurityUpdates on Ubuntu 10.04 LTS Server 64 bit. The problem is that when the update script is executed, it gets stuck ...
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1answer
839 views

How to add WinXP partition in grub

I have 2 hardisks: one of 40GB with 2 installations of Windows XP (one in FAT and another NTFS), and another hardisk of 200GB with a BackTrack installation, Ubuntu installation and a NTFS partition. ...
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1answer
3k views

Why does update-grub not find ubuntu 11.10?

I've recently installed Ubuntu onto my laptop. With the intention of dual booting with Windows 7. On installation Grub wasn't loading, the computer continued to boot straight into windows. I loaded ...
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4answers
27k views

Error: You need to load the kernel first in Grub

I have Lubuntu 11.10 installed on /dev/sda3, and Xubuntu 11.10 on /dev/sda5. A while ago, while being on Lubuntu, I made a mistake somewhere in creating a Live USB: by mistake, I installed a Live USB ...
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2answers
3k views

grub workaround for cannot find UUID in dual boot system fails and now grub won't boot anything

New clean install of x86 11.10 desktop. Dual boot with windows XP and Linux on separate drives. After install grub will not boot Windows, but by changing boot drive boots fine. When I go to fix ...
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3answers
417 views

grub takes minutes to load

After BIOS, grub's background image is shown. then I'll have to wait more than a minute for grub's boot menu to appear. After the menu is shown, everything behaves normally. I'm running Oneiric. ...
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1answer
362 views

Ubuntu 11.10 64 bit and 32 bit on two drives

I recently acquired a 64 bit machine which works well (AMD 64 3800+). I had an old Dell P4 machine which I had configured to dual-boot 11.10 32-bit and Win XP SP3. I wish to install the disk from my ...
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1answer
3k views

GRUB Drops to Rescue Shell - Fix MBR and Windows Bootloader

I shall just give a bit of background information. I updated a broken Ubuntu installation to Oneiric from the live CD a while ago, and everything appeared to be working fine. Because I don't use the ...
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2answers
144 views

Grub boot problems with older ubuntu

I have two inter-related problems on my computer. My install of 9.10 had a boot failure last week. Looks like a file was deleted or corrupted. I was unable to get it to work. Realising it was a ...
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4answers
55k views

How can I boot with an older kernel version?

The latest kernel is causing problems with my sound, which worked fine with an older version. As I have only Ubuntu installed, Grub is not getting displayed while booting. How can I manually choose my ...
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1answer
494 views

Cannot Boot Win XP or Ubuntu from hard drive - get Input Not Supported

1) Downloaded 11.10 ISO file to Dell XP Workstation 2) Made bootable USB using Pendrivelinux 3) Installed to harddrive using option 1 (Install along side Windows) 4) Rebooted when instructed 5) ...
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1answer
258 views

Can't log into Ubuntu 11.04

I recently dual booted my PC with Ubuntu 11.04 and Windows 7. It all worked fine for a few days but one day I logged in and instead of getting the log-in screen, I got this : BusyBox v1.17.1 ...
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2answers
2k views

Is dual booting ubuntu and fedora/openSUSE as easy as popping in a liveCD?

I wish to dual boot ubuntu (currently installed) with fedora and/or openSUSE (fedora for vanilla gnome and SUSE for a good KDE experience). I do not know much about dual booting and grub. Do I only ...
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1answer
1k views

BURG updates, but doesn't show up in boot up GRUB screen

I recently updated the Linux kernel (via the Update Manager) to 3.0.0-13. I am running Ubuntu 11.10 using BURG. Everything loaded correctly, BURG updated correctly. But when I reboot, when the ...
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4answers
65k views

How can I edit my Grub bootloader entries (Hide, Rename, Remove)? Preferably doing it manually, and not with a program

So basically I have a pretty flooded Grub bootloader, with older linux versions, 3 operating systems and memtests. What I want is to leave the operating systems only. I need to know how to do it ...
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1answer
3k views

Ubuntu option disappear from grub 11.10 after update on a dual partition

After today's update Nov. 22, 2011 Ubuntu option disappear from grub 11.10 on my dual partition. some of fdisk -l: Device Boot System /dev/sda1 * HPFS/NTFS/exFAT /dev/sda2 Extended ...
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1answer
1k views

How do I update grub to also load Mandriva? [closed]

Forgive me if this has been covered before - it probably has, but I am new to Ubuntu and Linux in general - only made the swap in last couple of months. I have Mandriva installed on my wifes laptop, ...
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3answers
2k views

Restore Grub - Cannot Find File

I had Ubuntu and Win 7 on different partitions. And then i formatted partition which containing Win 7 and reinstall Win 7. And then dual boot screen disappeared. I'm following tohuwawohu's answer. My ...
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2answers
776 views

Force a particular kernel for booting

At the moment I have a 3.1 kernel installed from elsewhere and the regular 3.0.12 (upgraded to 3.0.13 today) kernel from the repos. When booting up, GRUB will choose 3.1 by default. I want it to ...
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1answer
2k views

No keyboard input until after GRUB

I have a computer that I dual boot between Ubuntu 11.10 and Windows 7. I installed Windows first, and Ubuntu second. When I boot, the GRUB menu comes up, showing me the option to select to boot to ...
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1answer
1k views

How do I fix boot problems that show error “battery state”?

I get an error where the monitor message says "Out of Range" (for installed Ubuntus while LIVE DVD =o.k.) and error "battery state" In addition and probably related to this: the error message ...
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2answers
1k views

how to avoid manually updating grub [closed]

I have dual boot system with Ubuntu 11.10 (installed first) and Fedora 16. I have actually two problems. how to avoid manually running update-grub after a Fedora kernel update? after running ...
0
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1answer
616 views

install grub on another partition

hey i want to install Ubuntu 11.10 outside windows but i want that the default boot loader to be used is window's one.also will it be possible to insert the boot location of ubuntu after removing ...
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1answer
297 views

Does Grub2 Require an Optional SCSI Feature?

I was told that the SCSI mode page commands that provide serial numbers are an optional feature. Is this true? Grub2 most definitely fails to function on disks that do not provide serial numbers. ...
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2answers
3k views

How to remove a second Ubuntu install?

I installed Windows XP in dual-boot with Ubuntu to play Skyrim and that ended up breaking GRUB. After trying zillions of things to fix it (including using boot-repair), I installed Ubuntu in a new ...
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1answer
278 views

“Try Ubuntu” on Grub menu is not displayed

I've downloaded Ubuntu 11.10 ISO image. Following the steps described on Unbutu.com site I've created a USB stick with the above image (using Startup Disk Creator from a Ubuntu 11.04 PC) Rebooting the ...
2
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1answer
123 views

What is the Policy for Updating grub-pc in LTS?

After having attempted an SRU request for a small patch to grub-pc for 10.04 LTS that fixes an issue that has left many people with unbootable servers nothing has been done for some time. The patch ...
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2answers
1k views

How do you get the very first boot messages smaller?

How do I get the very first boot messages, before the decryption of the system and before uvesafb is loaded, smaller? I tried: GRUB_GFXMODE=1024x768 GRUB_GFXPAYLOAD_LINUX=1024x768 and ...
4
votes
4answers
4k views

Cannot run native Ubuntu in virtualbox with a vmdk created using the createrawvmdk command with partitions specified

I have a Win7 x64 & Ubuntu 11.10 x64 dual boot set-up on a single HDD. I wanted to run the native Ubuntu as a guest OS inside Virtual-box running on Win7 host. I used the following command to list ...
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2answers
9k views

Unable to boot: Missing Operating system

i had installed Ubuntu 11.10 along with the another Ubuntu 11.10 which already installed in my netbook. Later I formatted the partition I newly installed. Next time when I boot it went to Grub Rescue ...
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1answer
3k views

Cannot dual-boot Windows 7 and Ubuntu?

I had Ubuntu 11.10 on my laptop, then I determined to install Windows 7 and keep both of them on my machine (dual boot), then I installed Window 7. And then Windows 7 was running, but Ubuntu didn't ...
2
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1answer
668 views

No partitions after grub recovery

I stupidly inserted the Windows CD into my dual boot Ubuntu 11.10 / Windows XP system. I just wanted to see if I could install windows on my external usb HD, but didn't actually go ahead with the ...
2
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1answer
4k views

GRUB - ELF magic error message after installation - how to get dual boot option?

I attempted to install Ubuntu alongside Windows 7. (Intel i5 2300 H67 chipset) Unfortunately, after a seemingly successful installation I got the message: GRUB: “invalid arch independent ELF magic” ...
2
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1answer
7k views

How to remove and reset everything about burg, grub and plymouth

I'm a newbie to Ubuntu, and I'm using 11.10. I used super boot manager and boot manager, and I messed a lot with burg, grub and plymouth till that whatever I do there will be no change to burg theme ...
3
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1answer
905 views

Grub won't load Windows 7 (unknown file system)

I recently installed 11.10 on a new partition on my Windows 7 PC, and it works perfectly. But when I want to boot Windows 7 from the grub boot menu, it just says unknown file system, grub rescue. ...
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1answer
374 views

Velvet screen after grub selection

After a fresh install of Ubuntu 11.10 64-bit, the boot seems to stop after selecting the ubuntu option (same with the rescue one) in the grub menu. At first I thought this was related to grub-efi, as ...