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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Install Ubuntu with other linux distributions on same machine

I have brand new machine. I want to install Ubuntu and one more Linux distributions on same machine. When the machine is up I want to have the option to choose which Linux to load. Is it possible? ...
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1answer
282 views

Package 'grub-pc' has no installation candidate

I'm trying to make a dual boot with Windows/Ubuntu, but after I installed Ubuntu I can't boot from USB anymore! I'm trying to use Boot-Repair, but the problem is it asks me to run a command that ...
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1answer
28 views

ubuntu does not boot up

I have a computer with ubuntu 14 and windows 10. I logged on windows, restarted the computer but the grub boot loader did not come up. I have tried pressing Shift upon bootup but no boot options show ...
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2answers
324 views

Bootloader problem

I don't know why or how... But my boot loader have been destroyed. In this moment I have installed on my PC Windwos 8, Ubuntu 15 and Ubuntu 14 but just Ubuntu 15 have visible on bootloader.. I've try ...
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1answer
268 views

Isn't it possible to REPLACE IOS BOOTLOADER to install Ubuntu Touch? [duplicate]

I don't know much about that topic but wouldn't that be a possibility? I mean an iPhone is just a phone with components in it as any Phone that runs Ubuntu Touch. Wouldn't it be pobbible to replace ...
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1answer
80 views

Help needed recovering erased boot disk label

I dun goof'd. Up until about an hour a I had a working installation of 14.0 on my 2013 Macbook Air, with full disk encryption as set up in the standard installation process. But tonight, in the ...
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2answers
881 views

Toshiba satellite radius not loading bootable usb

I recently bought a Toshiba satellite radius (model: L15W-B1120). I already read countless of posts. In the posts they recommend to disable secure boot and also fastboot, I already did. I created a ...
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1answer
860 views

How to boot directly into Windows 10 from grub on Windows8.1-Windows10-Ubuntu15.04 tripleboot system?

I have a tripleboot system having Windows8.1, Windows 10 and Ubuntu 15.04. When I choose Windows from grub menu, it takes me to Windows bootloader giving choice between Windows 10 and Windows 8.1. How ...
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2answers
336 views

Easiest way to get GRUB bootloader to appear first

so here's my problem. I'm running a dual boot Win8/Ubuntu 14.04 LTS setup, I forgot to install the GRUB bootloader when I was partitioning for the Ubuntu 14.10 installation. This forces me to boot ...
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1answer
49 views

how to add win to boot menu

I have 2 hard drives, 1 wit win and 1 with ubuntu how to easly add win to boot menu? I've installed grub customizer, can it be done by that program?
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1answer
220 views

Cant boot OS from USB/DVD after deleting linux partition [duplicate]

After trying in google for almost 2 days I came here to post this. I had Windows and linux in my hard disk. I tried to format linux but mistakenly deleted the partition. It got hung and forcefully ...
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1answer
418 views

How to triple boot windows 7, ubuntu 14.04, and ubuntu 14.10 (keeping windows loader if possible)

I want to be able to play around with drivers and updates without putting my primary work in danger so I want to add ubuntu 14.10 to the possible OSes I can boot into. I already have windows 7 and ...
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2answers
37 views

cant boot after opening 2nd partition on hard drive

have ubuntu 14 and opened another partition on hard drive, i checked the box making this partition boot able and restarted computer, now can't get computer to boot any ideas how to fix? have tried ...
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1answer
124 views

unable to boot ubuntu after refreshing windows 8 [duplicate]

Ubuntu was installed in disk H and windows 8 in disk C. Now, I refreshed windows 8 and I am not able to get the option to boot to ubuntu when I start my laptop.
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1answer
530 views

GRUB not starting default system

My system doesn't boot until I press enter on grub. cat /etc/default/grub # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the ...
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2answers
528 views

No option to boot windows after installing ubuntu

I already have windows installed and I just installed Ubuntu and I was expecting that it will ask me which OS to boot after startup but it didn't. I refer the link but didn't work Windows 7 not ...
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2answers
585 views

Windows 8 dual-boot: bootloader problem (grub)

I currently have a dual-boot system with Windows 8 and Ubuntu 14.04, on separate hard disks. I have installed the Grub bootloader using the Boot-Repair tool; however, it seems that whenever I boot ...
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1answer
335 views

I installed GRUB bootloader on the Win SSD, should I be worried? Dual Boot

I installed Ubuntu yesterday on my Notebook's SSD. Windows 8.1 preinstalled on the other (m.2) SSD. I'm not really experienced with this stuff, sorry. I installed the GRUB(?) boot loader onto the ...
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1answer
72 views

Ubuntu Bootloader Help

I'm thinking of installing Ubuntu on my PC (quite old) alongside Windows 8.1. My BIOS mode is Legacy BIOS so no worries about UEFI settings. I have a separate partition (Local Disk E: 30GB) for ...
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1answer
74 views

Upgraded to 14.04 but have a problem editing grub

I am trying to edit this file to add "nomodeset" to the end of the line. Is there any way to edit a buffer? Is there a work-around for this?
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2answers
4k views

What is the difference between boot loader and bootstrap loader?

how boot loader is different from bootstrap loader. According to me bootstrap loaders are stored in ROM and boot loaders are in hard disk in MBR (please correct me if I am wrong). bootstrap loader is ...
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1answer
1k views

Recover Windows 7 Boot Loader

I have mistakenly removed Windows 7 boot loader from my primary drive, when I installed Ubuntu 14.04 LTS. I would like to have both OSs on my machine. At this moment, Windows 7 is on SDA2, Ubuntu is ...
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1answer
395 views

SSD is not showing up in boot loader installation device list while installing ubuntu 14.04 alongside windows

I've windows 7 installed in my SSD and trying to install ubuntu 14.04 in same SSD drive. But when I try to install ubuntu alongside windows it shows only HDD in the drive selection list. If I try to ...
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2answers
56 views

GRUB doesnt detect my Windows Partiton

I recently mounted the tmpfs in /dev/sda1 where the windows partition was supposed to be at so since then i got a invalid signature when i clicked the windows in grub menu. later I used boot-repair ...
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1answer
103 views

How do I tell GRUB to ignore other bootloaders?

I want to keep my bootloaders separately and I am wondering how to tell GRUB not to add the Windows bootloader on kernel/grub updates. I am using 14.04 and Win 8.1 on UEFI. Thank you!
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1answer
138 views

New bootloader for Ubuntu? [closed]

Challenging it is to get Ubuntu to boot right with single Ubuntu install since the introduction of (U)EFI BIOS. I have had, and am having difficulties getting a new PC boot to from an SSD disk. It ...
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1answer
115 views

BootableUSB Stick created for installation, doesn't working on Ubuntu13.04

I also Download a ubuntu-14.04-desktop-i386.iso file and also created a live USB stick by Startup disk creator. It's status said, Live USB disk creation complete. Then I did restart but nothing ...
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1answer
54 views

Installing Ubuntu 13.10 alongside, 13.04. Potential boot loader issues

Below is an image of my hard drive partitions as they exist currently. /dev/sda4 is Windows 8 /dev/sda9 is Ubuntu 13.04 /dev/sda5 is where I plan to install 13.10 as I am currently not using it ...
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1answer
90 views

OS-Uninstaller saying I will need to update my bootloader?

I am following these instructions to remove Ubuntu 13.10 from my system: https://help.ubuntu.com/community/OS-Uninstaller But when I run os-uninstaller instead of just saying it will remove the ...
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1answer
82 views

How to remove GRUB and boot Windows?

I have tried the other suggestions such as bootrec.exe /FixBoot and bootrec.exe /FixMbr But on restart it still boots to the grub command line. I have also tried startup repair using the Windows 7 ...
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1answer
132 views

Boot Wubi in another bootloader

I have a MacBook Pro 9.2, with 2 partitions (3, considering Mac OS Recovery), one with MacOS X and another with Windows 8. I have installed Ubuntu through Wubi in Windows and I'd like to, if possible, ...
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2answers
11k views

Fix bootloader after removing Ubuntu from a dual boot system?

I have installed a Ubuntu alongside Pre-installed Windows-8... And now I have uninstalled Ubuntu. But the problem is that after removing Ubuntu and typing "bootrec/Fixmbr" in Command Prompt, there is ...
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1answer
42 views

Ubuntu installation unsuccessful in Windows 8

I installed ubuntu from USB flash drive. I partitioned drives for swap, ram and home directories. I also partitioned 700 MB separate space for device bootloader. when nearing installation, I got an ...
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1answer
2k views

Set Ubuntu partition back to active and boot with Chameleon

I recently installed OS X (Hackintosh) on my PC on a partion, alongside Windows and Ubuntu. After some try with settings bootloader and other, my Ubuntu partition is no more active. Grub has been ...
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1answer
3k views

How to set Grub Password [duplicate]

Red Hat Linux has grub-md5-crypt for setting up a grub password. How to do the same in Ubuntu 13.10 ?
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1answer
290 views

How to resolve bootloader problem in Ubuntu 13.04?

Yesterday, I did something that damaged the bootloader of my Ubuntu 13.04. Then I had to install Lubuntu 13.04, and I'm now using the Grub of Lubuntu. The problem is in the opening screen Ubuntu gives ...
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1answer
452 views

Bootloader not working

With not apperant reason when I booted my computed today I got to a Grub command line screen. As far as I read it seems that the grub might been defected. I've downloaded the Ubuntu live CD and ran ...
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1answer
24 views

Error saving to MBR

I get the following error when I try and save to MBR in Grub Customizer. It used to work OK, it there something I need to do to make changes to the Grub Menu stick?
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2answers
85 views

Why cant I load Ubuntu 12.04 or 12.10. [duplicate]

Every time i try burn onto disk or usb, it comes back with errors or missing files, i really want to use Ubuntu, but this keeps happening everytime, please help!!
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2answers
2k views

GRUB is absent after re-installing Windows XP [duplicate]

I formatted my XP drive and installed XP again, and now I can't boot into Ubuntu. I just need the option of selecting Ubuntu while the system boots. Thanks in advance for replies.
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2answers
664 views

Ubuntu 12.04 boot disk not being read

I have a copy of Ubuntu (11.1 and 12.04), both on CD and on USB key, but I am unable to boot from any of them. The CD drive in the machine is fine and will happily read Windows and Acronis boot disks, ...
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2answers
4k views

Repeating Error: invalid environment block. Press any key to continue

During start up I get Error: invalid environment block. Press any key to continue... I have done the steps of the first answer from the following link Error: invalid environment block. Press any ...
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2answers
165 views

Windows not working properly

Hey guys I booted into my windows 7 after a month and there is some error. Not able to do any work on it properly. I dont have any problem in reinstalling windows but the issue is that it will ...
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votes
1answer
2k views

How can I make my pendrive bootable (My UBUNTU copy is not an ISO file)?

I have UBUNTU 12.04 LTS OS. Its not an image file/ISO image. I have searched a lot about how to make a pendrive bootable in order to install ubuntu, but everywhere they assume that I have ISO file. ...
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2answers
298 views

Lost ubuntu option from boot

I was using ubuntu 12.10 until i lost all options from boot in somehow, but I've restored my (2) windows 7 options successfully using windows 7 format DVD and solved the problem using command prompt ...
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2answers
14k views

Dual boot windows 8 ubuntu

I finally managed to installed ubuntu. But I cannot boot win 8 now. I searched on the forum and tried everything without any luck. Here is the log from boot-repair: http://paste.ubuntu.com/1389617/ ...
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1answer
912 views

How to choose between 32-bit and 64-bit Ubuntu using a bootloader?

Alright, so on an external hard drive, I plan to make multiple Ubuntu installations. As some computers do not mesh well with trying to use a different hierarchy as far as I can understand, how can I ...
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1answer
670 views

Windows 7 loader missing [duplicate]

Possible Duplicate: no windows 7 entry in grub after installing ubuntu i just install Ubuntu 12.10 along side Windows 7.When booting it goes straight to ubuntu and skip grub.This problem ...
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2answers
659 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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2answers
308 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 ...