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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Mac efi bootloader doesn't show ubuntu, and GRUB load automatically

Right now when I start my computer GRUB loads, and then I can select if I want to start either OS X or Ubuntu, and if I start the computer holding down the alt-option key to load Mac's efi bootloader ...
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1answer
888 views

Removing Grub2 and reverting back to windows 8 boot loader

I'm new to stack exchange and Ubuntu. This question might be repeated but none of the solutions worked for me. I have Ubuntu installed on my external hdd. I could boot it fine without any issues. ...
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1answer
268 views

installing the OS twice on same hard disk drive

I plan to install Ubuntu 13.10 twice on the same HDD. The reason is each installed OS will have filesystem tweaks different from the other. Below is my plan: First primary (bootable) partition will ...
2
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1answer
5k views

UEFI and “reserved bios boot area”

I purchased a new notebook, which has a pre-installed Windows 8 (upgraded to Windows 8.1). Configuration: UEFI Secure Boot SSD + HDD I downloaded Kubuntu 13.10, prepared a bootable USB stick and ...
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4answers
1k views

How does the grub bootloader know?

I am not understanding how it comes to know which kernel image to load? I have so many. Once I had created my own kernel and recompiled. How does it come to know that this is the one to load?
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1answer
3k views

Graphical GRUB Menu

As you know, when dual booting on OSX you get a nice looking boot menu, something like: I was curious as to whether there is a way to replace the textual interface of GRUB with something a little ...
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1answer
53 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
71 views

Operating System loader

I installed Ubuntu 12.04 with the option to keep Windows 7. The installer indicated I could choose the OS to load on startup. However, only Windows 7 loads when the computer is restarted, with no ...
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1answer
97 views

Issues with Ubuntu/Win7 dual boot

Hi I'm a newbie to Linux and have been interested in trying it out. My wife has no interest in it so I'm forced to create a dual OS situation but I've really run into a brick wall here. I've done as ...
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4answers
94k views

Uninstall Grub and use Windows bootloader

I have Windows 8 pre-installed and then installed Grub with Ubuntu. Ubuntu is not my thing so now I want to remove it along with grub. From what I have learned, with UEFI, Grub does not overwrite the ...
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1answer
88 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
362 views

How can I install grub4dos to my USB stick?

Though I searched for web I could not find a guide to install grub4dos into my USB stick in Ubuntu. Is it possible in Ubuntu? If so, how can I install it into USB stick as a bootloader?
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1answer
313 views

problem about dual boot

first of all i am a beginner...so please bear me..... i have installed ubuntu 14.04 while windows 7 already installed at this point everything is ok but problem begin when i installed windows 8.1; now ...
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1answer
78 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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vote
1answer
315 views

grub Refresh or Resolution Too High. How can I adjust it?

I installed Ubuntu 12.04 using the Windows installer while in Windows XP. When I reboot and select Ubuntu as my boot option my monitor tells me "Out of range" I believe at this point I would be ...
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1answer
86 views

Dual Boot issue Ubuntu and XP

I partitioned a drive and loaded Ubuntu 13 on an XP machine. I am learning about the operating systems and trying to make them play together. My current boot executes as follows: System powers up, ...
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1answer
188 views

how to fix “out of range” problem

I have a dell dimension 4550 with ubuntu 12.04 installed along with Windows Xp. Before the GRUB screen appears, I get the out of range message on my monitor. After a few seconds a dialog box appears, ...
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2answers
200 views

How to reinstall Ubuntu with UEFI in a correct way?

I decided to migrate from Ubuntu 13.10 to 12.04 LTS, so I have downloaded .iso image and wrote it to my USB-stick. During the installation, on a stage of partitioning hard drive, I met one problem. I ...
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1answer
354 views

Recover grub from grub-rescue

I was using Ubuntu normally and suddenly the system went haywire and I had to do a hard reset. After that I got a couple errors trying to load Ubuntu, so I switched to Windows trying to find an ...
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1answer
94 views

How to use a pre-installed Ubuntu, which is on an external drive to boot from any computer?

I have installed Ubuntu 12.04 LTS on my external hard drive and it works fine on the computer it was originally installed from. But when I attempt to boot the external drive from another computer; all ...
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1answer
2k views

How to unlock Boot-loader of android Phone?

i Want to unlock boot-loader of android phone. Actually i want to dual boot the android phone with android and Ubuntu . For that i have to unlock boot-loader first . Whenever i run fast boot oem ...
0
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1answer
127 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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1answer
55 views

Dual HDD, Win7 & Ubuntu

I have a pc that has Windows 7 on it, and a hard drive that I recently installed and put Ubuntu 12.04 LTS on. The problem I encounter is that grub does not load Windows 7, and gives me an error when ...
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2answers
3k views

How do I make my native Windows 8 Lenovo laptop boot grub?

I like to think I'm not a novice on this issue but this situation is proving me wrong. I've been trying for about two days to figure out a way for my Lenovo S415 to install Ubuntu. I have disabled ...
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1answer
177 views

Disable Grub bootloader's GRUB_TIMEOUT=-1 after failed startup?

My title may be incorrect, but I hope I get the idea across... You know, when you have a failed startup and Grub decides next time it starts up it'll disable the countdown and give you indefinite ...
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0answers
151 views

Can't install from bootable USB or ISO for Ubuntu [duplicate]

Booting from USB flashdrive fails in my attempts to replace Win7 Home Premium which has two partitions, C: and D:, on my hard drive. I also attempted the boot from USB (in all the USB slots I have) ...
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1answer
122 views

Can't get Windows to boot from GRUB

I recently installed Ubuntu 13.10 and am having some issues getting GRUB to work with me. Whenever I want to get to GRUB (to boot Ubuntu), I have to manually select it: . Then I can select Ubuntu ...
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2answers
10k 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 ...
0
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1answer
80 views

How to change boot image

How do i change the image that appears during boot back to the ubuntu default? I had installed gnome desktop before and after uninstall it had left it like that.
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1answer
2k views

Boot problem after installing Ubuntu 12.04.3 alongside Windows 8 - only get to grub prompt

I tried to install ubuntu 12.4.03 (64bit) alongside the pre-installed windows 8 (64bit) from a live DVD. The hard drive is HP 110-13 EG desktop computer with intel Core i3-324oT and NVIDIA GeForce ...
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1answer
1k views

Re-configure GRUB to directly boot to Ubuntu on dual-boot

I'm curently Dual-booting between Windows 7 and Ubuntu 13.10 both are 32-bit I'm installing it on a HDD with Ubuntu Bootloader installed on an external Pendrive (So if i want to boot Ubuntu i must ...
0
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1answer
2k views

How to install Ubuntu touch on LG E617G Optimus L5 [duplicate]

I have been tinkering with my LG Optimus L5 E617G and can't seem to find any good instructions on how to install Ubuntu Touch or even get to the bootloader to do so... If anyone has any suggestions ...
0
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1answer
36 views

boot cd problem

I installed ubuntu 13.10 on CD, in the boot turned on only reading from the disc, but at startup I get the message "Reboot and select proper boot device or insert boot media in selected boot device ...
0
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1answer
35 views

Grubs manual installation on windows

Should I install a boot loader before I install Ubuntu? If so, how can I install it manually from windows 7?
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1answer
120 views

Basic multiboot USB guide

There are some Question here on askubuntu about this. but they mostly use GUI, and or cli. What am looking for is, a basic guide on how to install grub or other on my 16GB USB, and a simple guide on ...
0
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1answer
40 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 ...
0
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1answer
65 views

Ubuntu 12.04 is stuck at startup after upgrading, now I wanna install a new copy of 13.10

I installed 12.04 as a fresh copy which made grub as my default bootloader and windows 7 loader became 6th option in this bootloader. Now My Query is, If I install a fresh copy of 13.10 in the same ...
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0answers
70 views

How to replace GRUB with Windows 8.1 default boot manager? [duplicate]

I have a Windows PC that is running Windows 8.1 and today I installed Ubuntu 13.10 alongside with Windows, however Ubuntu seem to replace the default boot manager with GRUB.
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0answers
19 views

How to disable boot selection [duplicate]

I have ubuntu server running inside a virtual machine that starts after Windows starts, then it runs in the background (using virtualbox headless). The machine is supposed to run as a server in the ...
0
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1answer
53 views

ubuntu boot issue

So I recently installed Ubuntu 13.10 x64 on my laptop that already has Windows 7 x64 (a dual boot installation) and after restarting my laptop i get the following message. error: no such partition ...
0
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1answer
663 views

Ubuntu is still on rEFIt

I just used a Ubuntu Live DVD to uninstall ubuntu from my mac by formatting both ext4 and linux-swap partitions to fat32 and then deleting them (so I could resize mac's partition later using apple's ...
0
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1answer
85 views

Ran auto-updates on Ubnutu 12.04 and grub2 lost Windows 7

I have a dual boot system with two hard drives -- one for Windows 7 and the other for Ubuntu (now 3.5.0-43). I ran the most recent Ubuntu updates and lost my Windows 7 entry in grub. I've attempted ...
2
votes
1answer
208 views

Bootloader issue on dual-boot

First of all I would like to mention that, I'm completely aware of the duplication rule of this forum and this post has been made only after due research on the topic. Problem I dual-booted a ...
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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
6k views

Restore backup of WinEFI or UEFI (not sure) that boot-repair made

I have a laptop that supports EFI/UEFI. I have Windows 8.1 and Ubuntu 12.04 on it. The way I installed my OSes was like this: I installed Win 8.1 in the required partitions then Installed ubuntu and ...
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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 ?
3
votes
1answer
5k views

What location to put bootloader, when running multiple drives and partition

I have Win8 on my desktop, where a 120G SSD is used to run windows and some select applications, while I have a 2TB HDD to provide basic file storage and where possible, install applications instead ...
0
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1answer
4k views

Fix Grub Boot Loader after partition [duplicate]

I have a system with dual boot for Windows 7 and Ubuntu 12.04. The system uses Grub as its boot loader. But, today by mistake, i shrank the Windows Volume and created a new Volume and all worked fine, ...
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2answers
147 views

Cannot boot into ubuntu!

I Successfully dual-booted win8 and ubuntu 13.04. Now that i have changed my windows from win8 to win 7, i cant access my ubuntu bootloader, or option to boot into ubuntu. Any help?
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1answer
450 views

Ubuntu touch flashing failed/taking to long. Black screen! Redeploy help!

So i'm brand new to the whole unlock, root and flashing thing. I just tried flashing Ubuntu touch on my Galaxy Nexus (international GSM/HSPA+) and everything seamed fine until the very end when i got ...