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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i've lost my windows 7 after installing ubuntu 14.02

I've lost my Windows after installing Ubuntu with my flash-drive. When I start my notebook it directs boots in to to Ubuntu ,I also did a boot-repair, but I am unable to dual-boot Ubuntu with Windows ...
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30 views

Windows 8.1 not booting after trying ubuntu 14 on hp 1000

It all started when I made my harddisk drive bootable and uses C (where my windows 8) was installed to boot ubunt, I used unibootein software for it. It worked fine for me every time on start up I ...
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25 views

How to fix Grub2 not viewing all OS on a Quad-Boot system?

I have quad-boot system set up right now for my Computer Engineering Class (Highschool). I have MS DOS, Windows XP and Ubuntu installed. Each individual operating system (on it's own partition) works ...
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17 views

device for boot loader

I have a dual boot system (ubuntu 14.04 + windows 8.1).I was trying to install ubuntu on my usb and while installing for option device for boot loader - I selected usb .And now I can't get grub menu ...
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39 views

I installed Ubuntu 14.04 LTS alongside Windows 8.1 (With UEFI) and I am unable to boot into Ubuntu [duplicate]

I have recently installed Ubuntu 14.04 LTS on my laptop alongside Windows 8.1. My laptop came pre-installed with Windows 8, thus it has UEFI instead of BIOS. I have tried booting with secure boot and ...
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34 views

I have to go through grub and windows bootloader to get to windows, can i change this?

I got a new SSD,on which i installed Windows 8.1, and had Ubuntu on my second hard drive .Now when I boot up my computer boots to GRUB where I can either boot to Ubuntu or to Windows. If I click ...
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1answer
93 views

Dual boot WIndows 8.1/Ubuntu 14.04

OS:Windows 8.1 64 bit. Secure boot:Disabled. Boot mode:Uefi I wanted to install Ubuntu 14.04 64 bit,so i will be able to dualboot.I burned the .iso image to a usb flash drive and run it.Everything ...
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50 views

Minor problem with Grub entry for Windows 8.1 - Only Windows Boot Manager shows

I have done the seemingly impossible. I've installed Ubuntu 14.04.1 on a machine that came with Windows 8.1 pre-installed. Yes, it took some tweaking. But I finally got Grub to load up when my ...
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1answer
60 views

After messing with EasyBCD no entry in Boot Manager

I installed BURG and before I had Easy BCD in my MBR, Everything fine only problem when picking Windows to boot the EasyBCD Windows Boot Manager showed up. So I booted to Windows removed all entries ...
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133 views

Installation failed ! Exit code: 512 when attempting to create WINDOWS 7 USB Boot DIsk

I have read all the "code 512" threads and followed each suggestion to the letter with no success. Nothing changes after each attempt, I still get the following despite having tried all the ...
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1answer
54 views

Restoring the bootloader and login screen of Vanilla Ubuntu after installing Ubuntu Studio

I have looked at many similar questions for a while, but I've been so far unsuccessful. I have recently installed Ubuntu Studio after installing Vanilla Ubuntu 14.04, and I am quite new to Ubuntu, ...
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24 views

Invalid reference in boot sector

newbie Ubuntu user's here. Don't even ask me how I managed to do one thing hereinafter referred. So, I have Vista installed on my computer. After I installed Ubuntu, I couldn't boot to Windows ...
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147 views

Too many UEFI Boot entries ATA HDD, ATA HDD1, ATAPI CD1 ATAPI CD2

Windows 8.1 and Ubuntu 14.04 dual UEFI boot. My notebook only has one disk device. The Grub 2 entries are normal with only Windows and Ubuntu entries. However, when entering BIOS setting, I can see ...
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60 views

Is this a good way to dualboot Kubuntu with Windows 7 (legacy)

I have just bought a new computer pre-installed with 64 bit Windows 7 Home Premium (Service Pack 1) on which I wish to install Kubuntu for dual boot. Installing dual boot was easy on my last computer, ...
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59 views

/boot partition problem when installing Ubuntu

The partition table format in use on your disks normally requires you to create a separate partition for boot loader code. This partition should be marked for use as "EFI boot partition" and should ...
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40 views

Change from GRUB

I am dual booting Ubuntu and Windows 7. At start up, I can choose between the two in the GRUB menu. The menu is Ugly and doesn't allow me to do much like booting windows in safe mode. How do I ...
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1answer
123 views

0xc000000f error when starting Windows from Grub

Recently I corrected the dual boot by re-installing the grub bootloader. I did that by first adding an entry pointing to Linux in easyBCD settings. Then, when I restarted the computer it showed ...
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1answer
47 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
51 views

how to boot from linux mini iso to first hard drive

My Problem I'd like to know how to boot in to first hard drive when using a custom txt.cfg for isolinux while using the official minimal Iso from Ubuntu. I'm asking because VirtualBox has a bug and ...
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1answer
140 views

Problem with installation of Ubuntu on HP Probook 4540s?

Please can someone help me to install Ubuntu on HP Probook 4540s? I have been trying this for the last 2-3 days, tried every option given on the net, but still my computer directly boots into Windows ...
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1answer
25 views

Question about installation: Does Re-installing ubuntu over previous Ubuntu partition delete files?

I installed windows 8,1 and I think the bootloader got messed up and I tried the "check disk for errors" when you first boot the installer and it fixed them, but ubuntu wouldn't start. I have the try ...
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1answer
74 views

Laptop doesn't boot, fails loading the GRUB bootloader!

I-m facing a very annoiyng issue with my laptop that has a dual boot system with Windows 7 and Ubuntu 12.04. Since I don't know why the GRUB bootloader stopped to work and the laptop can't load. I'm ...
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2answers
42 views

Bootup (100 times slower than usual) drops to a shell IF at boot time the computer was off for less than 5 minutes. USB mouse no longer recognized

I've been using Ubuntu on a Windows dual-boot Sony Vaio VGN-CS390 laptop for more than five years now. Yesterday I made a fresh install of 14.04 LTS over 12.04 LTS. Everything worked fine, even after ...
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2answers
145 views

Installing Ubuntu 14.10 and window Installation type

I am installing Ubuntu and am stuck at one window that is called "Installation type" I have 3 partitions on my hard disk: 80 GB NTFS, 140 GB NTFS and 15 GB EXT4 and want to install Ubuntu on the 3rd ...
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80 views

GRUB2 doesn't show Windows

I've got a Laptop and a Computer. On the SSD of my Computer is Ubuntu 14.10 installed. On the SSD of my Laptop is Windows 7 installed. Now I want to dual-boot them. I've put the SSD from my Laptop ...
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124 views

problem accessing recovery mode in ubuntu 14.04

I'm using ubuntu 14.04 and I have a problem running my PC in recovery mode. I can get to the recovery mode screen in the grub menu but when I try to navigate through the options using up or down, I ...
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1answer
43 views

Ubuntu 12.04 server installation fails bootloader cannot be installed

I have been trying to install the server edition on a DELL Inspiron Laptop (1564) and it fails at the grub install boot loader step. Ubuntu 10.04 is installed without any problem though. I'm ...
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2answers
145 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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0answers
19 views

How to prevent Ubuntu from installing a bootloader? [duplicate]

I want to know if it is possible to prevent ubuntu from installing a bootloader in UEFI install mode as to use gummiboot, my current boot manager which works just great for Arch. My objective would ...
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0answers
80 views

Ubuntu GNOME on a USB 3.0 thumb drive: GRUB cannot be installed

I previously installed Ubuntu GNOME just fine on a USB 2.0 drive with the installation wizard, just like you would on a hard drive. I just bought a USB 3.0 16GB drive so that I could run it at a ...
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161 views

Black screen ubuntu server 14.04 after install

i had install ubuntu 14.04 server on my pc using bootable usb. once i installed and try to reboot. server doesn't boot up. it is when i plugged in the usb drive until it boots up.
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2answers
42 views

System Could not boot from harddisk after installing ubuntu

I need some help here, i wanted to install Ubuntu on my laptop which have a 1TB storage and only 1 partition(C:) running windows 8.1, so i burnt the ISO file for Ubuntu to a USB device and I installed ...
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2answers
158 views

ubuntu bootloader doesn't detect window 8

After installing ubuntu, using something else option and installing it on a different disk than windows 8 , I starting my computer and ubuntu loaded without any boot loader. So I searched in internet ...
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1answer
32 views

How to boot compressed image

I've made a single .img. It's a minimal Ubuntu which includes a rootfs and various installs. A kernel and kernel modules are installed. I'd like to compress my .img and have the bootloader load ...
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2answers
112 views

Can't install Ubuntu 14.04.01 on Windows 8.1

I used Universal USB Installer to create a live boot on a USB drive, but when I try to boot from the drive, I don't get the installation menu, just a black screen to enter commands on. I disabled ...
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1answer
337 views

GRUB Bootloader not loading with Software RAID1 on Fresh 14.04 Server Install

I've looked at all of the forums, and tried doing multiple fresh installs and continue getting the error "Unable to install GRUB in /dev/mdx - This is a fatal error" My current setup is 2 2T drives, ...
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1answer
153 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
35 views

Ubuntu 14 shows on bootloader menu of 12 but does not boot

I have a tri boot system. Windows 7 and Ubuntu 12 on the 1st hard disk. I got a new hard disk (external) and installed Ubuntu 14.0 on it and updated the grub on Ubuntu 12, it was successful but when i ...
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1answer
65 views

Error Booting Ubuntu / Windows 7 on Laptop

I tried a lot of guides and walkthrough I found on the net, but my problem still persist: I installed the UBUNTU 14.04 LTS release, and installed side by side my Windows Installation. When I finish ...
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229 views

reFind doesnt load Ubuntu (no bootable device…) after Yosemite upgrade on a Mac

Yosemite messed up my boot system and now it says No bootable device...blabla when I try to start Ubuntu. ReFind works fine (though it doesn´t show the shell icon and cannot find why) and Yosemite ...
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48 views

edit Grub bootloader both

I've had some boot problems after installing Ubuntu 14.04 to my new SSD (sdb1) adding Windows 10 technical preview afterwards (sdb3) and leaving my old Windows XP on my hdd (sda1), but now everything ...
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0answers
225 views

Dual boot Win8 and Ubuntu with Ubuntu on mSATA SSD

I have searched the web like a maniac in order to find some answers to these questions, so please help me here... If you only now the answer to one of the questions please post that answer! So here ...
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0answers
58 views

Stuck at GRUB rescue screen

I had installed Xubuntu 12.04.1 i386-desktop on my Dell Inspiron 1501. But it would not Shutdown my system, getting stuck at the ubuntu logoff screen. So i decided to remove that version & install ...
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0answers
10 views

I can't get to the bootloader on my LG G2 [duplicate]

Every time that I type in the command '$ adb reboot bootloader' in my terminal while my G2 is connected to my computer instead of reboot in to the bootloader it just turns off and reboots as normal. ...
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38 views

Ubuntu wont start from windows bootloader but it does as a device

When I am in Windows 8 and shift-click Restart, then click Devices, I am able to launch Ubuntu from there. But when I click something close to "start other os", then Ubuntu, I get something close to ...
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138 views

Use Parted to change a partition's flag state

I had a Ubuntu 14.04.1 system with one SSD and one SATA hard drive. I had a problem with the SSD that my system was installed on. I replaced the SSD and installed a new 14.04 on to a it. The /home and ...
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36 views

cannot boot into Windows 7 after installing Ubuntu 14.04 [duplicate]

Here is url of boot-repair's "recommended repair": http://paste.ubuntu.com/8941902 During installation process Ubuntu couldn't find that Windows is already installed so I did "other install". ...
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3answers
83 views

problem with boot, grub-repair not help

Hello i want install ubunntu 14.10 (64biit) i already have orginal windows 8.1. I turn off secureboot in bios, and fastboot in windows. Installation ubuntu is no problem but i don't see grub after ...
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0answers
18 views

Dual booting thwarted by rogue keyboard presses?

End goal: successfully dual boot Windows 8.1 and Ubuntu 14.04, both are already installed and working. I just can't get to the bootloader (I think it's called) to choose to go back to my Windows ...
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2answers
84 views

Windows 8.1 not coming up in boot options?

So I made a 200gb partition out of my 2tb HDD for ubuntu 14.04.1 and followed ALL the instructions listed in this video: https://www.youtube.com/watch?v=hOz66FC0pWU Yet when I reboot I only get the ...