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

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How exactly does TrueCrypt work

I have some questions about how TrueCrypt and other Encryption Software work. TrueCrypt creates a Bootloader on the System Disk and overrides the Windows Loader. Is the Windows Loader deleted from ...
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Booting Windows and Linux across two physical drives

I'm trying to get Windows 7 and Kali Linux bootable on an old laptop, but there are a few considerations that are making it difficult: 1) Windows 7 is on an SSD, while I installed Kali on the ...
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Need help on windows 8.1

i have Dell 5548 laptop with windows 8.1 single language. Few days back due to some problem i have formatted my laptop again with Win 8.1. Thing is that- Win RE tools, GPT, MSR partitions were missing ...
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Accidentally formatted directly Drive C:. Unable to detect partition while formatting

I accidentally formatted both Drive C: (which operating system is installed) as well as Drive D: (total of 2 partitions) I an now trying to format my machine and now, unable to detect my internal ...
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Windows 8 over Linux Bootup error

I am getting these error while installing Windows 8 . I have a dell pc which comes preinstalled Windows 8 but after time i installed ubuntu . At the time of installtion by mistake all the files got ...
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2answers
105 views

Set Windows 10 Bootloader to Metro Style

I'm using Windows 10, upgrading from Windows 7. I have Ubuntu installed in my hard disk, so I want to boot Ubuntu from Windows bootloader. After adding Ubuntu to Windows bootloader, I rebooted, ...
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52 views

Force DnX Mode on ASUS Android Tablet/Intel Cloverview

I have an Asus MeMo Pad 7 (ME70CX KO1A, Intel Cloverview Chipset) which is not bootable. The device sticks at the bootloader splash screen and no button combination will force the device into ...
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16 views

Multiboot flash drive backup

I have a 16GB flash drive, formatted in FAT32 which contains multiple live linux distros, syslinux bootloader and personal data. I would like to make a backup of it and restore this backup on 64GDB ...
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26 views

How do I restore the default Windows 10 bootloader? [duplicate]

I would like to remove by Ubuntu partition by formatting its drive in the Windows Disk Manager. However, how can I restore the Windows 10 bootloader after this action? I no longer wish to use GRUB.
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14 views

Bootloader to print hello world pixel-by-pixel?

I assume it's possible to write a bootloader for x86 that can actually display "Hello world" by writing pixel-by-pixel. I find that most of the work is cut out for me if the characters are already ...
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37 views

Where is the UEFI boot order stored?

I know the UEFI boot loaders are stored on a FAT32 partition on my (usually GPT) drive, but where is the boot order stored? My reasoning: It can't be stored as part of the firmware settings, since ...
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1answer
31 views

HP 110-430 Desktop PC - Can't boot into anything after EasyBCD's “Write MBR”

After upgrading my windows 8.1 install to windows 10 about a week ago (week ago), I decided that I no longer wanted the Windows/Ubuntu dual boot I had setup. So, in an attempt to delete GRUB and set ...
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117 views

Repair bootloader for fedora 22 after install windows

I already have fedora 22 and windows 7 in my machine , i wanna to upgrade to windows 10 but in fact i'm afraid to losing fedora i have read the fedora documentation but still afraid to start this ...
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26 views

How do I boot to new drive?

So here's the deal. I have a laptop that came with Windows and a plethora of other partitions. I added a couple partitions after shrinking the Windows one for Linux. I'm using rEFInd for my bootloader ...
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14 views

Install arch linux when lvm on luks keyfile on usb and bootlouder on usb

'm trying to install Arch Linux in the following way: LVM is installed on LUKS when the LUKS key is image stored on USB And the botlaodr is also on additional USB For some reason, even though I did ...
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1answer
40 views

Accidentally deleted Windows 7 Boot sector / MBR

Accidentally run the following on system drive instead of USB. OS: Windows 7. 1 system partition and 1 unformatted partition. Now still haven't rebooted while writing this. On C disk root can see ...
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1answer
70 views

Can I add Windows to my systemd-boot bootloader if I have separate EFI partitions?

I've just installed Arch Linux on to a new set of partitions on my Windows 8 machine. In doing so, I created a new 512MB EFI partition for Linux to load from, leaving the existing Windows EFI ...
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1answer
213 views

Will upgrading to Windows 10 replace my grub bootloader?

I dual-boot Windows 8.1 and Ubuntu 15.04. I have learned to install Windows before Ubuntu because the reverse results in having to finagle with a lot of settings to get the grub boot loader prompt ...
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4k views

How to fix Windows 10 boot loader from Windows

I installed Ubuntu on system that has Windows 10 installed. I can boot to Windows or Ubuntu normally using GRUB. I want to delete Ubuntu partition but first I must restore Windows 10 MBR. Here ...
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2answers
43 views

Restore Windows bootloader on Virtual Machine [duplicate]

I recently p2v'ed my old Computer into a virtual machine. Since it had a dual-boot and I only copied the Windows partition this broke GRUB. I can still boot Windows with Rescatux though. So my ...
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125 views

Dual boot Windows 8.1 and Ubuntu

I just got a Lenovo X1 Carbon and I am flabbergasted on dual booting -- having the record in the boot manager. Cliff Notes It came with Windows 8.1. I shrunk the Windows partition (within windows ...
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1answer
42 views

How to restore grub from a separate partition, to boot a luks partition?

My setup is: sda1 /boot ext2 sda2 swap swap sda3 / luks I broke the boot partition. Now when trying to boot manually, cannot figure out how to load crypto modules needed to open the root ...
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26 views

Kali won't show in grub

I am currently dual booting Ubuntu and Windows 7. After installing Kali from a DVD I restarted the computer. The problem is that Kali isn't in my BIOS boot options or in grub boot options. I have ...
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76 views

Kali Linux and Win 7 dual boot, I want to change the active partition and bootloader, not sure in what order

I created a partition for Kali Linux and a Live USB. I used the Live USB, was intrigued by what I saw ( first time ever seeing Linux ) and chose to install but the install wouldn't complete. Several ...
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1answer
107 views

Windows 8.1 EFI partition rebuild not working

It all began when I deleted the partition of an old Linux that was dual-booted with Windows 8.1 UEFI. This Linux system was using the Grub2 bootloader and was installed on a secondary disk. After ...
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421 views

Ignorable errors 0xc0000017 and 0xc0000018 on boot

Most (but not all) of the time when I boot my desktop system I get a Windows boot error after POST. The error code is 0xc0000017. When I press enter to "retry" I get error code 0xc0000018. When I ...
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48 views

duplicate entry in boot manager

after cloning HDD to SSD and fixing the dreaded 0xc0000225 error (using this How can I repair the Windows 8 EFI Bootloader?) I have now two identical options while booting OS Windows Server 2012 R2 ...
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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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1answer
60 views

PC won't start after editing fstab

I have a box with Intel P5LD2-X/1333 motherboard. I installed 2 GB RAM. The box was working as it should, no problems basically. I installed Ubuntu 15.04 on it. After editing the fstab file, I tried ...
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62 views

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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1answer
78 views

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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33 views

How to move bootloader from hard drive to usb stick

I've decided to move my Debian bootloader and /boot from hard drive to usb. I'm using LUKS to crypt my hard drive and the bootloader is the only not crypted partition. How can I easily do this? I ...
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1answer
39 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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Triple boot 3 OS's on 3 separate SSD's

I am attempting to set up a system with 3 separate OS's (Windows 7, 8.1, and 10 TP) all on three separate SSD's. I can currently boot into each one if I use a boot override via the UEFI BIOS on my ...
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Booting ubuntu and windows acer aspire s7

i have an acer aspire s7, and have been trying to dual boot ubuntu and windows on the same system unsuccessfully: 1 I am having problems getting the aspire s7 to recognise my bbot usb drive then also ...
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1answer
112 views

GRUB Bootloader not loading

I had 2 partitions Partition 1 - Ubuntu Partition 2 - Empty So I installed Windows 8 on 'Partition 2' and now I can't load the Ubuntu OS as it directly loads Windows. How do I get back the Grub ...
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1answer
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April 2015 Windows 8.1 Update: winload.efi error 0xc000000f

I have an Acer V3-772g: Intel i7 4712MQ, NVIDIA 750m 4 GB I installed the newest Windows 8.1 updates a couple days ago; however, the update failed. I left the computer to update and then went to ...
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48 views

shell script to change bootloader background

I'm trying to create a shell script on openSUSE to change the bootloader background from the files /etc/default/grub line: GRUB_BACKGROUND=/boot/grub2/themes/openSUSE/background.png with the new ...
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How do I create the Microsoft bootloader on the EFI partition? [duplicate]

I have Linux and Windows installed in a dual boot configuration. The Windows bootloader is corrupt. I want to reinstall it using the Windows recovery partition but I do not know how to boot to it ...
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1answer
75 views

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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1answer
237 views

rEFInd mountvol incorrect parameter

I had Ubuntu 14.04 on a single drive. Then, I felt like installing Windows 10 along side with Ubuntu. I resized the main Ubuntu partition and unallocated half of the safe. Then, I installed Windows 10 ...
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1answer
67 views

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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1answer
48 views

Moving linux boot loader(s)

I recently resurrected one of my old laptops as a home-server. I decided to get rid of the original windows install and get linux up and running. The laptop has two harddrives: One SSD (/dev/sdb), ...
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Windows 8.1 Won't Boot, Swapped Drive Letters on Disks

I bought a Dell XPS 8700 which came with a 1 TB 7200 RPM hard drive. I bought a Samsung SSD 850 Pro (128 GB) and added it to the config as the primary drive. Everything was working good, but I had ...
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2answers
372 views

Booting a BIOS bootloader from UEFI mode

I have a Linux setup that I boot in UEFI mode with GRUB. I want to try out OpenBSD, which unfortunately doesn't support GPT or UEFI yet, so I partitioned a drive with a traditional MBR table and ...
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213 views

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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Does Windows NT before version 4 (also) have built-in dual-boot support?

The Windows NT flavour of Microsoft Windows has had the built-in ability, without needing third-party add-on "boot managers", to dual boot with other (Microsoft) operating systems since at least ...
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296 views

Error opening BCD Registry/Windows 7

Still need help if there's anyone out there that can help me. Thank you! I have been stuck in the Windows 7 update "failure to configure/reverting changes" loop for several weeks now. Finally, I ...
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Schrodinger's Bootmngr

so. a few days ago my laptop started bsod'ing on every boot, whilst it was loading the windows kernel. after some attempts to fix it, i finally decided that it might be simpler to start with a fresh ...
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1answer
220 views

Can't Get Rid of Mac/Linux Malware or Hardware Bug

My MacBook now has a permanent back door for some hacker that I can't seem to get rid of. I even tried booting from a Linux USB stick, wiping everything including the EFI partition, but every time I ...