A bootloader is a small program that gets executed at startup time. The bootloader loads data and other startup process into RAM where they can be executed.

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How do I use dd to write a bootsector to a flash drive?

I developed a bootsector and I tried to use dd to write the data. This resulted in the corruption of files and I had to reformat my entire flash drive. This bootsector was designed for FAT32 in mind. ...
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2answers
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What is the best way to dual-boot Windows and Ubuntu?

I have recently installed Ubuntu 12.04 in dual-boot with windows 7 but I am having some problems. I installed GRUB in the MBR (as it is often recommended) and so GRUB was the boot-loader that appeared ...
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1answer
921 views

Where do I install the bootloader for a dual-boot system?

This may be an odd question, but whenever I start up 12.04 installation from my flashdrive, it finishes installation. Then, at the end of the installation it says "Failed to install bootloader, would ...
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2answers
3k views

I installed Windows 7 after Ubuntu, how do I get the Grub menu back?

I want to install Windows7 on my system with pre-installed Ubuntu 11.10 to play some games in my relax time. But after installing Windows7 over Ubuntu my computer doesn't show OS chooser (GRUB) in ...
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409 views

Accidentally installed bootloader

Okay, so, whenever I was installing Ubuntu Linux 12.04 on my desktop from my flash drive, all went well. However, at the end, it said the bootloader could not install correctly and asked where to ...
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1answer
528 views

how do I boot into a LUKS-encrypted environment?

I one drive in my computer. it is encrypted with LUKS, and I almost successfully installed Ubuntu 12.04 onto it. the only issue is the bootloader - GRUB2 would not install anywhere. tried an ...
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1answer
229 views

How can I replicate the LiveUSB boot-experience using GRUB2?

As far as I know, ubuntu live usb versions use syslinux as bootloader whereas, when installed, the default is GRUB2. This makes replicating the boot experience a bit more involved than just copying ...
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1answer
280 views

how to show a missing bootloader?

I don't have a bootloader. there's just a GRUB terminal-like interface and apparently, linux terminal commands (e.g. exit, shutdown, poweroff) don't work on it so I don't know what to do with it. I ...
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2answers
376 views

How to delete Grub Menu from the disk without Linux?

How do I remove Grub Menu from the disk without Linux? When I boot from the disc out the string Grub Rescue. Previously, I installed Ubuntu 10.10 and randomly chose the wrong drive.
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4answers
104 views

Can't boot Ubuntu

I've installed ubuntu using live CD. But when I turn my computer on, it starts windows 7 instead of giving me right to make a decision, which OS I need to boot. I think I have some problems with GRUB ...
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2answers
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Grub2 detecting two Windows 7 (loader) entries

This is the first question I have ever asked the Ubuntu Community. I'm fairly new to Ubuntu, but I understand the basics and know how to navigate the Terminal. I also know how to search the existing ...
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3answers
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How can I get GRUB to appear after installing Ubuntu with Windows 7 using a LiveUSB?

I booted Ubuntu 12.04 LTS from a LiveUSB, and then selected the option to Install Ubuntu to my hard drive. I allowed the installer to partition it, giving Ubuntu 50GB and leaving Windows 7 with 200GB. ...
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1answer
459 views

How do I upgrade to the latest Grub 2.00?

According to this link, GRUB 2.00 has just been released. How can one upgrade to this?
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2answers
177 views

Can't load Windows without plugging in the external drive

My external drive contains Ubuntu and when I don't have it plugged in, I receive an error message with this grub_rescue > . I don't know what this means or how to fix it, but I want to make it as ...
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2answers
2k views

Is there a tool to make partition bootable?

I tried Windows 8 Consumer Preview a couple months ago and it wiped out my partition table... or the boot information. So now the machine cannot boot to anything at all. Is there Ubuntu tools or ...
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1answer
1k views

System will not boot without USB thumb drive inserted

I've had this issue before when trying out Linux Mint, but I was unable to get any assistance. I was then lead to believe that it was a problem related to Mint, and not grub. I installed Ubuntu 12.04 ...
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1answer
4k views

GRUB install error

Whenever I try to install Ubuntu, I get a fatal error that reads: Executing'grub-install /dev/sda' failed. This is a fatal error. Its the same as this, but my graphics appear to be running fine. ...
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1answer
543 views

Bootloader missing after USB install

I've tried to install Ubuntu 12.04 from USB following the official instructions I created the USB key and started the install. I chose to install Ubuntu alongside Windows and kept the suggested ...
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2answers
238 views

GRUB configuration not responding

Recently, I tried to reconfigure GRUB to boot kernel 3.2 instead of 3.4, but by booting, GRUB is not responding to any changes I make in the grub.cfg file. Editing /etc/default/grub and updating it ...
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190 views

GRUB2 prompt instead of BURG boot screen after mistake during BURG installation

I just installed BURG, but during the installation I made a mistake: after the package was installed, I got to some command-line based GUI for configuration, where I forgot to mark my (only) hard disk ...
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2answers
436 views

Windows 7 suspend failed after Ubuntu 12.04 installation

HP 6235.fr - 2 Hard Disk - 1 NVDIA GT220 Clean installation of Windows 7 on first hard disk. Windows 7 suspend/wake up is working. Clean installation of Ubuntu 12.04 from web ISO image on second ...
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5answers
21k views

How to create or recover Windows Bootloader after deleting Ubuntu boot drive

I have a computer that dual-boots (or tri-boots) Windows 8 Release Preview, Windows 7, and Ubuntu 12.04. Grub boots between Windows 8 and Ubuntu; for which I use primarily. Recently, I decided to ...
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2answers
414 views

Create option to load Ubuntu or Windows 7 at start-up

We have a new Dell Optiplex 790 desktop with Windows 7 and just installed Ubuntu 12.04 on it using a USB stick that was configured as a boot drive. We created a new partition for Ubuntu during ...
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2answers
587 views

How can I start Busybox at boot time, from GRUB, or even before GRUB?

Most Busybox questions are related to the fact that users are dropped to a Busybox shell due to some unknown issues at boot time. This must make Busybox one of the most hated pieces of software. My ...
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1answer
162 views

Can't select anything on GRUB and it just boots to the first option, what could be the problem?

I'm using a USB keyboard but it wasn't like this right after I installed 12.04x64 One detail though: right after I installed the AMD Radeon drivers both the GRUB screen and Ubuntu's boot sequence ...
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Installing Ubuntu 12.04 on Asus Eee Pc FREEZES on “grub-install dummy” [closed]

Trying to install a completely new copy of ubuntu 12.04 on an Asus Eee pc. The install almost completes but then it freezes on "grub-install dummy".
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6answers
434 views

Win7 no longer available after installing 12.04

I have installed Ubuntu 12.04 but my Windows 7 partition seems to have been lost. It is in sda2. Can anyone help me how to get this Windows 7 partition back without having to reinstall Windows 7? ...
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395 views

dual boot failure XP with Ubuntu 12.04 LTS

I installed Ubuntu 12.04 LTS alongside XP SP2. but after restarting no options were available and Windows loaded. I tried the Shift key but its not working and no grub-customizer is available in ...
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1answer
219 views

GRUB is now the default bootloader and i cant boot without a flashdrive with grub so i can select windows 7

One night I installed ubuntu via live cd a couple times on different size flash-drives and grub is now the default bootloader. I used to could press the power button and it booted directly to windows ...
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3answers
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Where is the boot loader installed?

Where is the boot loader, such as Grub, installed generally? When I install 12.04 along side Windows on different partitions of my disk, I encountered a choice for "Device for boot loader ...
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1answer
342 views

Wubi installing problem(Wubi doesn't appear on Boot Screen)

I have this problem. The other days i had some problem with my Ubuntu installation, problems with grub2 and so on. Now the problem i have is: on the boot screen appears windows and ubuntu, but ubuntu ...
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2answers
3k views

After installing Ubuntu from USB, GRUB2 can't be installed!

Hello ladies and gentlemen! I installed Ubuntu alongside with Windows 7 using live USB. It wouldn't let me install GRUB, it says there's a fatal error with the partition chose. I literally chose ...
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2answers
2k views

Help with BURG on 12.04

Can anyone tell me if this article for BURG Boot-loader is correct? I'm sure it is due to the fact that I have never had a problem with the site before. But I am always weary of things made for older ...
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2answers
2k views

Grub Rescue Error: Unknown Filesystem [duplicate]

Possible Duplicate: ls on grub rescue - unknown filesystem Grub rescue - error: unknown filesystem I was trying to dual boot Windows with Linux (linux installed first). I read that it ...
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0answers
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change boot loader order [duplicate]

Possible Duplicate: How do I change the grub boot order? I use windows as primary system. Last week, I installed newest Ubuntu, and I always accidentally boot in to Ubuntu when I want to ...
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1answer
1k views

Update MBR of new drive after cloning

I just cloned the Linux partition of my laptop to be used on the desktop. However, this was just a straight DD execution, and the MBR of the new drive is not affected. How can I change the new drive ...
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1answer
9k views

How can I reinstall GRUB Bootloader on MBR after installing Kubuntu?

I installed Ubuntu, but then installed Kubuntu over it (formated Ubuntu Partition) because Ubuntu is not compatible with almost any hardware on my PC. Problem is I'm stuck with an old GRUB that says ...
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2answers
1k views

Missing Windows 7 when i installed ubuntu 12.4

i am newbie to this i installed Ubuntu using separate drive and i choose windows 7 loader as a boot device loader and after the installation i can only choose Ubuntu no windows 7 os so please help me ...
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1answer
1k views

how to get ubuntu on bootloader

I have install C Drive window 7 and E driver Ubuntu. It works fine, when first time rum my computer it comes boot loader(choosing option) which OS do you want run. But some problem in my window 7, ...
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0answers
41 views

How to change the default selection in GRUB2? [duplicate]

Possible Duplicate: How do I set Windows to boot as the default in the boot loader? I have installed first Windows 7, then I installed Ubuntu 11.10. Now the boot loader is GRUB and is ...
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2answers
2k views

Boot loading problem after Wubi installation of Ubuntu 12.04 on Windows 7

I was new in Ubuntu OS and I was just trying to use wubi windows installer to get a Ubuntu first for hands-on. I followed exactly the same as the instructions and after reboot win7, there is no ...
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1answer
304 views

Why will Ubuntu 12.04 boot but not install?

I can boot the disk but when it gives me the 5 options -Try Ubuntu without installing -Install Ubuntu -Check disk for defects -Test memory -Boot from first hard disk I select the "Install ...
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1answer
373 views

GRUB bootloader took over my computer

I have two completely separate drives in my computer. One has Windows7 and that was already installed. I installed Ubuntu on my other drive specifically for Ubuntu, and now GRUB boot-load shows up no ...
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votes
2answers
6k views

How to Load ubuntu with windows 8 boot loader

I have a Toshiba laptop which came with windows 7. I partitioned my hard drive and am now triple booting windows 7,windows 8 consumer preview (installed first),Ubuntu 12.04 (installed second). I would ...
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4answers
3k views

Error message “Signal out of range 92KHz - 58Hz ” when starting Ubuntu. What is wrong and how can I fix it?

My monitor has an Analogical connection. First I install windows 7, then I install Ubuntu 11.10, when this installation finish I restarted the PC. Any time there I turn on the PC I see the BIOS ...
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3answers
2k views

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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3answers
2k views

How can I remove Ubuntu from my system and install the Windows bootloader?

I want to completely remove Ubuntu from my system. But if I delete the partition, the Grub files will be deleted and that will leave me "Bootloader-less". How can I workaround this?
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5answers
2k views

Can't boot into Win7 since Update to 12.04

I had dual boot, Win7 64bit, and Ubuntu 11.10 I updated to Ubuntu 12.04 Now I am not met with the prompt asking which OS to boot into (setup via EasyBCD in Windows while I had Ubuntu 11.10) Is ...
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1answer
141 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
1k views

Executing 'grub-install /dev/sda' failed [closed]

I keep getting this error when i get to the end of the install.I am using a UEFI system. right now i am using 11.10

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