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

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Booting From VHD Windows 7 Stop Error 0x0000007B

I have created a a boot entry with EasyBCD 2.2, and I used a VHD that is on my C: partition. The VHD is Windows 7 Pro x86. Then I went to the edit boot menu to check that it was showing, and I hit ...
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Recover Windows 8.1 MBR without a working Windows system available

I just screwed over my MBR and Windows won't boot. I don't have a working Windows system available to create a recovery USB disk. My laptop doesn't have a CDROM drive. How do I create a recovery disk ...
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250 views

Still Booting to Windows after Debian Install

I recently installed Debian Linux to one of of my storage drives alongside Windows 7 (on a different drive) and for some reason when I start up my computer I still boot right into Windows instead of ...
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2k views

How to compile and install new kernel in Chrubuntu with samsung exynos 5 (ARM coretex-A15)?

I have successfully installed Chrubuntu 13.04 (kernel version 3.4) on samsung Chromebook Exynos5 with ARM coretex-A15. And I also tried to update the kernel version to 3.9 by downloading new kernel, ...
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Which partition to use for Suse 12.3 bootloader?

When installing opensuse 12.3 a partition for the bootloader should be specified. When I previously installed ubuntu for example I set the bootloader to be installed on the entire drive : e.g. sda ...
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How would I make a bootable CD/USB drive that auto-boots a system from a specific, non-default hard drive?

Context: I have a system that consistently forgets hard drive boot order. I specify it in the BIOS, and after the next reboot, it's gone. My primary boot drive is on an addon card (SAS HBA). The ...
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secondary SATA drive in SATA1 vs SATA3 - EFI booting and BIOS problems

I just got a new PC (HP P7-1380T) with Windows 7 preinstalled. The machine is set up for EFI booting without 'secure boot'. I had planned to install my old SATA drive (dual-boot XP and Linux with ...
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639 views

Installing Linux live session on USB drive: manually vs using a specific program?

I usually use programs such as Unetbootin or Tuxboot to install a Linux distro for booting from a USB drive, but I see that some distros offer specific .zip packages for USB booting and recommend ...
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608 views

Windows 8 and multi-booting woes amongst other issues

I have an Asus UX32VD that was recently purchased. Amongst other headaches, like F9 to restore not restoring, GPT and UEFI I have a booting issue that I would like to try and resolve. I lost my ...
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5k views

Adding Windows 7 boot entry in an EFI bootloader

Long story short, I use EasyBCD and accidentally delete the Windows 7 boot entry from the boot manager. My laptop is Asus N46VZ and it uses EFI. I want to restore the bootloader by adding the windows ...
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217 views

What is INT=10H / AX=2000H in Windows XP NTLDR?

I currently disassembled NTLDR of Windows XP. During the process of booting, NTLDR uses the following interrupt: INT 10H, AX=2000H, BX=0301H, CX=0H, DX=0H I don't know the meaning of this ...
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How can I install a legacy bootloader on a Windows EFI system?

Background Information / My Reasons: I want to use the chameleon bootloader to boot a windows 7 installation, windows was installed in EFI mode on a GPT partitioned disk. When chameleon loads I see ...
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611 views

Grub loading, please wait. . . Error 22

Yesterday I got a problem which I posted here. Trying to solve it, I installed slitaz live CD to desktop. After that I tried to use boot other live CD's (Ubuntu, Tiny core) but they didn't boot. So I ...
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753 views

Unetbootin and Windows 7

I use Unetbootin on WinXP and I have a Windows 7 iso that I want to make a USB bootable with. Everything works fine. I can boot the USB, but then I come to bootloader screen and I only see one option ...
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158 views

Writing an MBR from inside windows

I assumed that this would be simple, but it turns out not to be the case. I wish to create an MBR/bootloader record that simply points to the installation of windows that is actually running at the ...
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150 views

How do I pick the right kernel arguments to boot from the FILES on a linux LiveCD USB?

I think I've been through just about every post on this site about this and can't find anyone who will shed light on all those mysterious arguments that get passed to the linux kernel by grub! What I ...
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Safe to shutdown by pressing power button 1. in bios setting mode 2. in bootloader?

Is it safe to shutdown my PC by pressing the power button while it's in the BIOS setting mode? while it's in a bootloader (in my case grub), without a timeout? If not, are there any good way to ...
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330 views

Restore a bootloader with no accessible partitions?

I recently deleted my openSUSE partition, and before deletion was using the default SUSE bootloader whenever I wanted to access my other partitions, such as Win7. When SUSE went, so did the bootloader ...
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12k views

Fastest way to restore Windows 7's original MBR?

I have removed GRUB's partition, and I wanted to restore the original Windows boot part. WinToFlash failed again to make my pendrive bootable, thus I'm in a bit of a trouble now. I looked all ...
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103 views

Lock files on LiveUSB

This is kind of two questions in one. I have Hirens on my 2GB flash drive. Somehow, while tweaking and adding files to the list, I killed the bootability. I had used unetbootin to create the usb. ...
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166 views

Realtime Bootloader?

Does there exist a bootloader which can scan your disks for operating systems on startup, rather than requiring manual setting up of the bootloader? This would make it very easy for a layperson to ...
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776 views

Install a Bootloader to Boot Another Partition

I currently have an external hard drive that is partitioned to 3 parts: dev/sdb1 - Files dev/sdb2 - Kubuntu 11.10 dev/sdb3 - linux-swap I'm using GRUB on my built-in HDD in order to boot ...
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661 views

How can I remove the bootloader from a Windows XP partition?

My laptop was originally setup with Windows XP a few years ago. When Windows 7 came out I turned it into a dual-boot PC, but the bootloader still resided in Windows XP. Then a few months ago I got a ...
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580 views

Help fix grub rescue

I have windows 7 netbook. I repartitioned 100GB size and I installed Ubuntu 11.4 on it and boot master is GRUB. Today, I accidentally chose Windows Recover Partition, it loaded up and I exited it ...
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Booting Linux live CD from USB?

I'm using the Ultimate Boot CD, and I've added a bunch of customized .iso's to it. I can boot into those .iso files fine, but most of them are mini-versions of Linux that are designed to run off of a ...
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Bootloader problem - Windows XP and Windows 7, dropping Linux

I have a fairly new PC. When I first bought it, I set it to dual boot Windows XP and OpenSUSE Linux. When OpenSUSE died (strictly just X and/or KDE) for no clear reason, it was the final straw that ...
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Need alternative to booting from bootloader. Dead HARD DRIVE

The hard drive in my computer is dead and the Xubuntu installer is saying that it cannot install a bootloader on the external hard drive on which I am attmpting to install Xubuntu on. What is a fix? ...
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248 views

deleted suse 11.2 now my computer wont start

I originally had Windows 7 installed and later installed SUSE 11.2 on a different partition. After later deleting the Linux partition my PC now won't start. Is there a way to install both without ...
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107 views

Dual Booting with GRUB

I currently have Ubuntu and XP as dual boot using GRUB. The Ubuntu version is old and I want to blow it away and do a fresh install of a modern version. I want to keep XP and GRUB. It seems every ...
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351 views

Is it possible to run TrueCrypt bootloader on a Sony Vaio S?

We run TrueCrypt bootloader on Sony Vaio E series laptops and it runs fine requiring users to enter a password before the machine will load the OS. However, on the Sony S series laptops, TrueCrupt ...
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422 views

How to place TueCrypt bootloader on CD?

Context I want to encrypt my entire OS according to this tutorial, which involves a decoy OS and a hidden one. The problem I have with this setup is that the bootloader could be compromised with a ...
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Windows XP: error loading operation system

I was trying to dual boot my windows machine with ubuntu 10.04. While I was making swap space, something bad happened and my system automatically restarted. Now it shows, "Error loading operating ...
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430 views

Add another OS to list at start

I have installed Windows, Fedora and Slackware on my laptop ( lilo is on mbr, and grub for Fedora is installed on first sector on sda6). How to add sda6 to show on beginning when I turn on computer, ...
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Make isolinux 4.0.3 chainload itself

I have a bootable iso which boots into isolinux 4.0.3 and I want to make it chainload itself (my actual goal is to chainload isolinux.bin v4.0.1-debian, which should start up the Ubuntu10.10 Live CD, ...
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adding System to linux bootings

I've got linux installed on disc with BLoader but last time I added new disk on SATA which got windows on it. What should I do to add it?
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Do I need grub?

I installed Arch Linux on my iMac in its own partition. I'm using rEFIt to choose from Snow Leopard, Windows 7 and now Arch as well. I already install grub on Arch's partition when I installed Arch, ...
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Vista/Server 2008: BOOTMGR is missing

My NTLDR recently went missing, and I was able to fix that. However, now my BOOTMGR is also missing, and I have tried all the solutions on the whole Internet to fix it. Below are the actions I've ...
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Dell E6410 UEFI

I'm having problems with my laptop using UEFI. What happens is, I can boot a UEFI operating system only if I go into boot options and manually select it. It will not automatically boot into any UEFI ...
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Unchaining grub2 and windows bootloader(s)

I would like to find out if it is possible to unchain grub2 and windows boot-loader and I could not find a convincing answer anywhere, perhaps it is just not possible... The situation is as follows: ...
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How do I force GRUB to keep video mode after switching to the OS?

I use GRUB as a bootloader for my custom OS. I want it to enter graphics mode for me so I don’t have to do it myself in my system. However, before GRUB passes the control to the OS, video mode is ...
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36 views

How to change to grub bootloader from windows bootloader

I have ubuntu, linux mint and windows 8 on my computer. A few days ago my windows installation failed, so I reinstalled it on the 500GB partition. My hard drive is 1TB. Windows is 500GB, Ubuntu is ...
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GRUB shows up unexpectedly when booting after CMOS Reset

Basically, my computer has 3 hard drives. 2 HDDs, 1 SSD. Years ago, I installed a Linux partition on one of the HDDs, but decided to move back to solely using Winodws(gaming pc) and removed Linux from ...
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Awful beeping sound on boot

I formated the entire hard drive and installed Ubuntu 14.04 in a Macbook 5.2. Ubuntu boots decently fast, however there is a disconcerning garbled image on screen: After that Ubuntu runs fairly ...
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Dualboot Linux Mint & Windows 8.1 (GRUB Problems)

I've been trying to make a dualboot configuration with Linux Mint (17.1 Rebecca) and Windows 8.1. These are the steps I followed in installing this setup: Install windows 8 Run all available updates ...
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GRUB disabling timeout if PC reboots too often

I have a multi-boot enabled system that has a few operating systems installed on it, and the booting of the actual OS is handled by GRUB initially. I have the following options in my boot menu: [*] ...
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Windows 8.1 using Win7 style bootloader after boot entry change in EasyBCD

I recently installed Xubuntu in a dual-boot environment with Windows 8.1. Following this guide I was able to use the Windows 8 bootloader instead of GRUB to boot into Xubuntu. However, recently I ...
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Windows 8.1 EFI Graphical Bootloader: Change OS Thumbnails

I've just used EasyBCD to tweak my Windows 8.1 EFI graphical bootloader, adding entries for Windows XP and Ubuntu. Both of them have a boring thumbnail of a window, while Windows 8 has a thumbnail of ...
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Boot Ubuntu, Windows 8.1, and Windows 10 Technical Preview with Grub

On my computer, I have two hard drives: one that contains Windows 7, and another that has Ubuntu, Windows 8.1, and Windows 10 Technical Preview. When I turn on my computer, Grub prompts me to select ...
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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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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 ...