A bootloader is a program that loads and launches a program or an operating system from boot.

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Ntldr is missing message on boot and my pc wont start

my desktop shows "ntldr is missing press ctrl+alt+del" , already tried, xp set up/win 7 set up both cd/dvd , tried boot override from bios tried booting with floppy what i need to do Is dump" boot ...
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133 views

Windows XP covered up by Windows 7 Bootloader

I have two hard drives in my system, one for Windows 7 and one for Windows XP. I had to reinstall Windows 7, and after the re-install, the Windows 7 boot loader started showing up. This did not show ...
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315 views

Attempting to clean install Windows 7 on brand new SSD failing with “The boot selection failed because a required device is inaccessible” error

I switched out the HDD in my laptop for a brand new Kingston M500 240gb SSD. I expected to be able to just stick in my Windows 7 pen drive and install to the SSD. When booting from the pen drive I'm ...
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1answer
8k views

How to restore Windows bootloader and still have Kali Linux

I installed Kali Linux 1.0.9a on my Windows 8.1 system today and installed it, but I don't want the GRUB bootloader menu. I want to use the original Windows bootloader. How can I do this?
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166 views

Grub rescue screen on dual boot laptop

I have a laptop with a dual boot of Linux Mint 17 and Windows 7. This evening I booted Mint and unconsciously pressed some buttons and came into a HP backup screen. I exited this screen and now my ...
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1answer
632 views

windows 7 booting from wrong drive. How to move the bootloader?

I had windows 7 installed on an old dying harddrive. I did a fresh install onto a new one, but it only boots from the old hard drive. theres two "Windows 7" on the list. How do i move the bootloader ...
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1answer
50 views

Bootloader priority issue

Good day to you all. I have a problem with the bootloader on my pc. I've followed a guide and i've partitioned my SSD so that now I have W8.1 and Ubuntu 14.04. The problem is that when I switch my pc ...
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1answer
1k views

How do I install Windows Server 2012 R2 alongside Ubuntu 14.04 and Windows 7?

I need to install Windows Server 2012 R2, purely for educational reasons, on my laptop. I had tried to use Virtualbox but I cannot use hyper-v (which is essential for the course I am following) within ...
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1answer
341 views

Dual boot Win8.1 and Linux mint messed up

I have the following setup: sda: 1 partition for win programs (NTFS), 1 partition for data (NTFS), 1 partition for Linux Mint (ext4), 1 swap partition sdb: 64gb SSD with W8.1 ...
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1answer
52 views

Dual boot installation order

I am going to be testing Windows 10, so I want to set up a triple boot system, Windows 8, Windows 10 and Ubuntu. Its been a very long time since I've done this so I want to get some advice as to what ...
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1answer
427 views

Ubuntu 12.04.5 LTS stuck at bootscreen on Virtual Box 4.3.10

I had a running Ubuntu 12.04 VM on a Windows 7 host with Virtual Box 4.3.10 - until yesterday. Somehow, my host OS crashed and with it the still running VB. Now, when I try to start the VM again, it ...
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1answer
6k views

How to build a portable windows virtual machine without admin permissions and with high performance?

I need to build a portable virtual machine that could be used on user restricted PCs that need admin permissions. I've heard about QEMU. But the problem is that it is very very slow when running. Is ...
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1answer
350 views

How do I boot into UEFI without going through Windows on my laptop?

So I installed Ubuntu on my Windows 8 laptop in a dual-boot configuration for some time, and tonight, I decided I would uninstall Ubuntu. Well, I've managed to lock myself out of Windows and I'm stuck ...
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1answer
96 views

How can I change my BIOS startup screen? How can I backup my BIOS?

I want to know all the safe ways to change the bios startup screen for my lenovo Y500. Instead of lenovo's logo can I have a GIF? Can I have sound with it? Can I time it such that the screen is blank ...
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0answers
1k views

GRUB: no such device

I had to reinstall Mint recently and after reinstalling, I get an error in GRUB: error: no such device: *hex-hex-hex* Entering rescue mode... grub rescue> I have tried a bunch of things, such as ...
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3answers
49k views

Can I fix error 0xc0000225 without reinstalling Windows?

I have a system which dual-boots Gentoo Linux and Windows 7 using GRUB2. The computer has four drives, and Windows is installed on the third (last) partition of drive #2. The drive layout looks like ...
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220 views

How To Re-install FreeLoader For Restored ReactOS Installation?

With Windows if you want to backup and restore (or deploy) you use the deployment tools to create a .wim image of the operating system, then write the image to the desired computer's drive, and then ...
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421 views

How can I make a truecrypt-encrypted bootable linux live cd?

What I'm essentially trying to do is make an ISO whose contents are encrypted by truecrypt and which uses the truecrypt bootloader as its bootloader. When burnt to a CD, I'd want it to use pre-boot ...
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1answer
445 views

Windows 8.1 bootloader recovery

I have installed Linux Mint on notebook with Windows 8.1. I didn't install grub on /dev/sda and installed it on /dev/sda5. After booting to Windows I tried to add Linux in Windows bootmenu using ...
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2answers
496 views

How to install Grub2 to multi boot two Windows 7 for booting from two different HDDs?

I own a HP DV7 laptop that supports 2 HDDs. I have installed Windows 7 on each HDDs separately, each one with their own bootloaders, who do not communicate with each other. The problem is that when I ...
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1answer
1k views

how to skip grub dual boot option menu entirely (without picking an OS to boot)

I'd like to skip the entire Grub 2 interface, where I have to decide booting Linux or Windows im running linux ubuntu lastest version (14.04.1 LTS) and windows 8.1 both 64 bit versions. I've ...
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1k views

Forgot the password to truecrypt boot loader 7.1a

Hy please help i'm a total knob at this and i forgot password of true crypt boot loader i have a dell vostro any idea what to do ?
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3k views

New Mainboard Z97-K and OS is only bootable with the usage a LiveCD

I have a new Mainboard, CPU, Ram for his PC - a Asus Z97-K other components like PSU, SSD, HDD are taken from the old Bios based Core2Duo PC The OS is Linux Mint 16 and the LiveCD also - there is no ...
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1answer
131 views

Unix BIOS/Boot Record on USB Flash Drive

I have been trying to learn a bit more about USB drives, and am curious about their MBRs. Essentially, I open up the device file of the USB drive and give a hex dump of the first 496 bytes of the ...
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1answer
708 views

Move Windows bootloader to another disk

So i am planing on copying my C: drive to an SSD however my bootloader is on a secondary hard drive somehow. I have used the bootrec function with no luck. Any ideas?
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455 views

Clone Windows 8.1 and bootloader (Which is on another drive) to SSD

Ok so I recently purchased a new SSD and would like to clone my Windows Partition (drive 1) and its bootloader which is located on drive 2 [Different Hard Drive]. Whenever I try to copy the System ...
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1answer
469 views

How to dual boot Windows 8.1 and Ubuntu 13.04 with Windows Metro Boot Loader

I'm having a laptop with 4 Partitions, [1] 350 MB Windows System Reserverd [2] 40 GB for Windows Installation [3] 25 GB for Ubuntu Installation [4] 400 GB for Data Storage I have installed Windows ...
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1answer
298 views

Unable to install Windows after installing openSUSE and Ubuntu

I had a Windows machine then I decided to try openSUSE so I burned into a USB and I was presented with a long list of partitions and stuff. I deleted EVERYTHING and it seems I messed up the ...
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1answer
10k views

Fix Windows 8 bootloader after converting MBR disc to GPT

I bought a new MoBo, processor, and some 3TB HDDs last week and am currently setting up a clean installation of Windows 8 on the machine. The MoBo is an Asus RoG Maximus VII Ranger (What?! It was ...
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1answer
282 views

CONFIG_CMDLINE_OVERRIDE set but hardcoded vga-boot-parameter ignored?

I have build a custom linux kernel with the options: ... CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE_OVERRIDE=y CONFIG_CMDLINE="initrd=linux_os.gz root=/dev/ram0 init=/sbin/init ramdisk_size=25600 ...
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2answers
28k views

Kali Linux and Bootloader problems

At first I was using Windows 8.1... I downloaded Kali and put it on flash memory. The options got me to either: -Browse live -Install I browsed it live a little then went to installation. Grub ...
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1answer
3k views

Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System

Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System EFI Entries During Ubuntu Setup, Ubuntu automatically created an EFI start ...
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1answer
246 views

Boot Loader for windows 7

I asked I have Windows 7 and opensuse 13.1 and Windows boot loader is replaced by grub 2. Now I want to format opensuse how can i restore my Windows boot loader over grub 2. How can I format ...
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48 views

Is it possible to repurpose a Trend Micro IGSA (Cisco 1113) appliance server?

I have a practially unused Trend Micro IGSA appliance without any valid license. It's not hyper fast or anything but it is a x86 box with the same motherboard as in a Cisco 1113 and sports a ...
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1answer
1k views

Grub cannot find root disk on VirtualBox

I've built myself a boot image of a variant of Arch Linux for writing to USB sticks. It uses grub with default values, and it works just fine when booting a physical box from USB. (This question ...
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1answer
400 views

Backup windows 7 boot loader

I have windows 7 ultimate and planning to install ubuntu as second OS. Is there any way by which I can backup my windows 7 ultimate boot loader so that whenever I want to get rid-off ubuntu just run ...
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18 views

Removing OS X on Windows PC to make Windows bootable again

I have installed OS X by following this video, on an Intel Core 2 Duo machine with an ASUS motherboard. However, I am now unable to boot into my Windows. I'm getting a "boot file missing" error. Is ...
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1answer
107 views

Windows XP bootloader issues

How to repair bootloader I was looking through this post and feel like this is the process I need to be following. I'm working with Windows XP and need to rebuild the "BOOT.INI" after deleting it. ...
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2answers
68 views

Computer sometimes load grub not Windows bootloader

Sometimes my notebook loads grub instead of windows bootloader and I do not know why. Before I reinstalled Windows 7 32 bit I had ubuntu on it (windows installation). I have not installed another ...
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1answer
377 views

Prevent chainloading by grub after rEFind

I triple booted my Macbook 4,1 with Mac OSX 10.5.8, Lubuntu 14.04 and Windows XP SP3 and installed rEFInd as my bootloader. Now what basically happens is, first the Mac bootloader loads invisibly, ...
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247 views

Ubuntu - Booting black screen with purple border

I have a problem when I boot the pc. After the installation of Ubuntu, a black screen with a purple box appears without letting me see the choices of GRUB. The screen then becomes black and Ubuntu ...
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61 views

where are the second stage bootloader and partition table is stored in the case of multiple bootable hard drives

I have some doubt on the booting process. Lets suppose I have two bootable hard drives and each hard drive has 3 partition, having 3 different operating system installed. Now my questions are: How ...
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1k views

Windows 7 and Ubuntu 14.04 dual booting problems

I think I have destroyed my PC system and now it won't even boot. I was trying to configure dual boot with Ubuntu installed after Windows 7. However it always booted into Windows, bypassing the dual ...
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1answer
447 views

How to enter Advanced Boot Options menu on Windows 7 without bootloader?

I need a way to enter the Advanced Boot Options menu of Windows 7. The computer is dualbooting with Linux, so GRUB2 has taken the place of Windows bootloader. So pressing F8 on boot won't do anything. ...
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134 views

Booting Windows from HDD when bios doesn't recognize it

I bought a new SDD for my laptop. It is SATA3, compatible with SATA2 but the BIOS doesn't recognize it. On the other hand, if I boot a Linux Live CD I can access the contents of the SDD. So I can be ...
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1answer
121 views

When installing linux how does the root file system get created in disk?

I understand the Linux boot process fairly well. But the first time installation is pretty vague to me. How does the root file system (/etc, /bin, /sbin etc.) get created in the disk with the ...
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2answers
451 views

MBR bootsector that boots the active partition

I have the burg bootloader currently installed on my mbr (+ the following sectors), and I would like to install it on the boot partition, and replace the mbr with a simple one that will boot the ...
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1answer
664 views

How to reset MBR partition table macbook pro?

I used refind/refit's bootsync utility to update my macbook pro's mbr partition tables as a part of a triple booting process. Now I want to replace the operating system installed on one of the ...
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1answer
754 views

Boot Linux with extlinux from EFI & GPT

Last time that I tried to create Ubuntu/grub2 dual-boot on my new Asus computer, which came preinstalled with Windows 8, I almost stoned it. So, I'm thinking to use extlinux as my bootloader for my ...
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2answers
6k views

Ubuntu bootloader stuck at restoring resolver state after upgrading to 14.04

I upgraded after Ubuntu 13.10 to 14.04. However after the upgrade, the system restarted. But got stuck with a black screen displaying the message: Starting VMware services: [OK] Virtual machine ...