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

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GRUB boot loader(Ubuntu) not working

I have a system with ubuntu-14.04.2-desktop-amd64 installed. It has stopped booting up after updating. As I power on it, screen glows for 1 sec and it shuts down. While booting as I power on nothing ...
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25 views

How to install a bootloader on an other drive - Windows 10

i just installed win10. Windows is on drive 0 but the bootloader is on drive 2. I want to clear drive 2 so i can install antergos/arch on it. How can i move the bootloader to drive 0. ...
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39 views

Bootloop on Dell Latitude E7440 Win7 Pro x64 after FUD

I had my SSD set up with full disk encryption using diskcryptor, worked fine for a good while. Then it got stuck in a Startup Repair bootloop. Nothing I can think of that caused it. I removed the ...
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35 views

Grub will not boot to windows

I recently installed Ubuntu with the grub boot loader that comes with it. After the install Grub fails to find the Windows. My setup: HD1 & HD2 -> Samsung SSDs in Raid0 via Motherboard ...
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21 views

Boot in different OS with different button

I now have a dual-boot system on my Sony Vaio laptop. I have this "assist" button next to my power button, it would boot up in an different environment than Windows 10. I now have Linux and Remix OS ...
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45 views

How to deal with EasyBCD while multi-booting in EFI mode?

I have Windows 10 and Ubuntu 16.04 systems together. My boot manager is GRUB. I don't want to use GRUB anymore, I want to use Windows boot manager. I found I can use EasyBCD to achieve this, but when ...
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3answers
59 views

Accidentally deleted Windows 10 boot partition

Today, I wanted to install Kubuntu alongside Windows 10, but I got an error that had something to do with an existing GRUB on one of my hard drives. I removed the partition which I thought was GRUB, ...
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51 views

Grub boot loader not detecting Android X86 5.1 RC1 NTFS file system

I'm trying to install Android X86 5.1 RC1 on VMware workstation. so far the Android OS boots up when I choose "boot to the Android 5.1" instead of "reboot" directly at the end of the instal, but when ...
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76 views

How to boot Snow Leopard bootable usb with Clover or any other hackintosh bootloader?

So I followed the tutorial in this question answer and created a "bootable" USB from my OS X snow leopard '.dmg' installation media. The problem is that my Clover EFI bootloader doesn't seem to ...
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21 views

I need to fix my windows boot loader with a 2 GB USB drive

Here's an interesting problem for you guys. I've installed Linux in a partition on the same hard drive with Windows 10, intending to dual boot. But now I can't boot into Windows because the ...
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26 views

Explanation of Chain loading in Boot loaders

I have a question. What chain loading in Boot loader means? Could you simply explain? Best Regards, Michael
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16 views

how to load jffs2 image in mpc8309twr

I am trying to load the jffs2 filesystem through uboot in powerpc mpc8309twr board, while uncompressing the kernel image it is showing Wrong Ramdisk Image Format Ramdisk image is corrupt or invalid ...
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31 views

My hp ProBook 4540s is stuck in hp logo

I was trying to delete Ubuntu 14.0.4 system from my laptop using windows 7. So I ran Windows 7 and i opened disk management and i deleted a disk that has the size of 58 GB wich is supposed to include ...
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43 views

How to rename a special entry of systemd-boot?

Bootctl will automatically check for "Windows Boot Manager" (\EFI\Microsoft\Boot\Bootmgfw.efi), "EFI Shell" (\shellx64.efi) and "EFI Default Loader" (\EFI\Boot\bootx64.efi). Where detected, entries ...
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2answers
85 views

Repair Ubuntu boot loader from Windows

My windows 8 is installed on the C drive. I installed ubuntu on the D drive. By mistake I chose the boot loader to load from the C drive while installing ubuntu. Then, restarted and it directly booted ...
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1answer
60 views

Recover windows 10 EFI Boot from dual boot with ubuntu

I made my window 10 system system in dual boot with ubuntu. I would like to remove ubuntu and install it in virtual-box within windows. I am afraid to remove ubuntu partions fearing windows may not ...
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3answers
172 views

Reoccuring Issue with Windows Fails to Start After Shutdown

Recently I have completed data migration from Intel i330 120GB SSD to Intel 535 240GB SSD using Intel Data Migration Software. Intel i330 was my first SSD which I also used for data migration from my ...
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23 views

Installing Windows, Going back from “Copying Files”

I wanted to completely reinstall my windows 10, and in my haste I messed up somewhere, and I couldn't figure it out. The problem is I am able to boot from my USB and go till select partition to ...
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1answer
90 views

Why can't I load an EFI shell anywhere?

So I recently found out I had EFI instead of BIOS and went to experiment with different .efi programs to see which one I would want for full functionality. From 3 bootloaders I have used, I get the ...
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1answer
18 views

Fedora lost from bootloader

Initially I had Windows10 on one of my primary partitions. Then I installed Fedora on one other primary partition. Till then both Fedora and Windows were showing up in bootloader. Recently I formatted ...
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1answer
187 views

Clover bootloader is missing bootable hard drives

I have two installs of Clover EFI Clover on my SSD Clover on my USB The SSD Clover - Loads clover properly, no option to boot from hard drive I want to fix this. The USB Clover - Loads clover ...
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25 views

Move Windows bootloader from one disk to another (preserve files)

I have bought a new SSD (call it Z), put it in my computer, and I have installed a windows 8 on it. My previous disk (call it X) also has a windows 8 installed, but now I want to reformat it for other ...
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1answer
73 views

RAMDisk + SSD = Raid 1? Boot OSX

Is it possible to create RAID 1 with RAMDisk and SSD in OSX? Something like: Boot Mac, OSX-Partition will be loaded from SSD in RAMDisk. Boot to RAMDisk and use it like any other system-drive. ...
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1answer
91 views

Dualboot Windows Linux (Fedora) - Boot Problems

just installed Windows 10 on a seperate HDD on my home computer and ran into problems. Till yesterday I was able to boot my Fedora system which was the only installed OS, now I installed Windows 10 ...
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2answers
73 views

Accidently installed kali the wrong way

I was running windows 10 on my hp probook 6450B, i decided to install kali linux on my laptop as well. there were two hard drives shown one with 150gb that the c drive was on and another with like ...
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1answer
526 views

dual boot arch linux with windows 10

In my Acer laptop I have Windows 10 installed on /dev/sda4 and the ESP partition is /dev/sda2. As described in the Beginner's Guide I installed Arch Linux on a newly created partition /dev/sda5 and ...
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1answer
375 views

Startup Repair couldn't repair your PC (Windows 10 bootmgr is missing)

After a restart recently, my computer wouldn't boot in to Windows 10. At the time I didn't have a Windows 10 installation media so I tried using boot tools on the Ultimate Boot CD to no avail. I now ...
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55 views

EFI Shell: Volume is not mapped to filesystem

I got a MSI gaming 3 mainboard, SanDisk SSD 256GiB, Seagate HDD 1TB the mainboard automatically installed the efi shell v2.31 on my hdd /dev/sda1 after installing windows on the ssd and fedora on ...
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1answer
45 views

unable to boot into centos 6.7 after suspending the system

I suspended the cent os workstation when I restart it is unable to load the OS and I am always displayed with boot option menu like upgrade or install memory test etc result of pvscan : could not ...
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1answer
56 views

Bricked iMac, Overwrote the boot loader. Any options?

I was installing linux on my iMac, and it ended up being a corrupt file. In the process, it happened to somehow overwrite the boot loader on my Mac. So, when I try to start up the boot loader menu by ...
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1answer
24 views

Is there any reason not to boot from the BIOS on a multi-OS system?

I've been having a hell of a time getting my bootloader to play nicely with the various OS installations I have on my computer. As it stands, Windows is the only culprit (accidentally installed it in ...
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1answer
52 views

Arrow Keys not working, can't access other OS in bootloader

My Laptop down and right arrow Keys are not working, I checked by loading system setup that it's a hardware issue. Is there, if any, alternative to arrow keys so that I can select the other operating ...
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44 views

Bootloaders - Booting an MBR only OS using a UEFI only BIOS

A long time ago, in a computer lab far far away, I stumbled upon a bootloader which dared to cross the boundaries between MBR and EFI. It's name was Clover. Using clover, you could boot any number ...
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164 views

How do I add boot-loader after Fedora 23 install on UEFI Dell laptop with Windows 10?

This error appears when installing Fedora 23 and Fedora 23 KDE/plasma: boot-loader failed to write, the system will not boot If I complete the install the system boots to a limited grub > ...
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3answers
254 views

Create more than 4 primary partition on hard disk and install more than two OS

I want to install Windows 7, Windows 10, Ubuntu, and Fedora in a multi-boot configuration. When the boot loader starts up, I want to select any of these operating system and boot it. I believe I ...
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1answer
21 views

Windows 8 removes grub2 as default bootloader

I have a dualboot setup where I keep Linux distros in separated partitions on one SSD, and my Windows drive on another. Recently, I had to wipe my Windows drive and reinstall Windows, which was great ...
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1answer
48 views

What is the equivalent of Android's bootloader in Windows and/or Linux?

Is there an equivalent of Android's bootloader in Windows and/or Linux, what is it called?
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Vista Recovery Partition ERROR Cannot open C:\RECOVERY.DAT

until my last installation of Windows Vista (from the Recovery Partition) and Ubuntu, I was able to boot the Windows Vista recovery partition from the GRUB menu, simply clicking on the corresponding ...
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57 views

UEFI mode not booting

I just installed windows with a GPT drive and when I go into BIOS and turn on UEFI mode and restart it just keeps booting straight into BIOS settings. Is there a way to fix this or am I doing ...
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650 views

Making bcd file, not sure where to go

I accidently messed up my bcd data when switching motherboards. I have uefi windows installed. I have tried the common bootrec /rebuildbcd to no avail (I get the error "the requested system device ...
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189 views

How to fix Windows 10 bootloader installed on different disk?

I have a computer with two hard drives - the first one running Ubuntu 15.04, the second one running Windows 8.1. GRUB is installed on the first one for dual-booting. Recently, I've bought a new disk ...
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1answer
43 views

Arch Linux dosen't go over bootloader after update

I have Archlinux with encrypted HDD and updated my system after 1-2 weeks. Then, after the update I wasn't able to boot again. The system is entering the bootloader, syslinux, and after that when I ...
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29 views

Can't boot Debian after forced EFI installation

I just installed Debian with encrypted /. I made a /boot partition and converted an NTFS partition to EFI. It installed but now I can't boot on Linux. My motherboard boot list put a mirrored "N" sign ...
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2answers
102 views

Ubuntu installatiion on external usb hard disk doesn't load

I recently installed Ubuntu 14.04.3 on a usb external hard disk using this youtube video tutorial: Tutorial: Install Ubuntu 13.04 To An External Hard Drive I have windows 10 installed on the common ...
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1answer
150 views

Install bootloader for Windows 10 after Ubuntu installation

I installed Ubuntu on an external drive following a tutorial and the tutorial said that I had to install the bootloader into the external drive. After the installation finished I could boot to Ubuntu ...
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1answer
23 views

Dual Boot and Booting Issue

I NEED help desperately. Some time ago I dual booted my Satellite c55t-b5230 (windows 8.1 & Ubuntu 14.10). Everything worked awesome Grub menu was present for months until it disappeared. Due ...
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876 views

Unable to boot Windows 10 installer from an original usb thumb drive

I'm unable to boot Windows 10 installer from an original usb thumb drive (from Windows 10 Home FPP package we just bought) on our machine. On one hand, our machine is a bit old already: ...
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1answer
46 views

bcdedit is having big time delay

I want to read and set default entries in Windows Boot Manager from my app by bcdedit. But bcdedit is very slow. For response from bcdedit I must wait about 16 seconds. Why is bcdedit too slow or how ...
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2answers
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Does a USB drive have head, track etc?

I wrote a bootloader and I need it to be written to a USB drive. Since I am on Windows, my bootloader must support file systems such as FAT32 and FAT16 etc. I have used BPB (BIOS Parameter Block) for ...
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38 views

Error converting custome bootloader .img file to .iso file

I am trying to convert a bootloader I wrote in Assembly Language to iso image file. The following is the code from MikeOS bootloader BITS 16 start: mov ax, 07C0h ; Set up 4K stack space after ...