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

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grub-mkconfig generating a shell script instead of grub.cfg

I had some problems with Ubuntu installation, I couldn't install GRUB, so I installed syslinux. Syslinux also had some problems with booting, so I just downloaded and burned super-grub2-disk and ...
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2answers
1k views

Boot Acronis true image and Clonezilla ISO image alone side windows 7 , Ubuntu 14.04.1

I want to create boot menu it can be boot from my (installed OS) Windows 7 and Ubuntu 14.04.1 I can add Windows 7 alone side Ubuntu in "Grub 2" with "Boot-Repair" but i can't boot Clonezilla and ...
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62 views

Best first steps for a hard drive?

I volunteer my time to service my schoolmates, fixing their problems, but conversations have come up about surveillance and hacking. I've been watching DEFCON's videos, and have learned that even ...
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0answers
122 views

How to recover windows 8 after accidently installed Kali linux

I have accidently installed Kali Linux 1.0.6 from pendrive on my windows 8 PC. i can still see the icons of my installed programm on my windows 8 but cant access them. Now I want to get back my ...
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0answers
65 views

How to only install Windows' Bootloader on a partition?

My plan is to do a Native Boot -which is more a powerful version of Boot to VHD- setup, but without having an extracted bootloader from the "guest". This is because I don't want to depend on an UUID ...
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2answers
520 views

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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28 views

Repairing windows loading

Recently I installed windows 7 on my laptop.Now windows works fine,but I do not know why before windows loading,I see this list of options: I tried to remove this step according this page,by using ...
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99 views

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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3answers
2k views

Windows 8.1 UEFI x64 is not able to boot-up UEFI Images

The question appeared after asking this one. It seems that the Win8.1 UEFI x64 Boot Manager is unable to boot anything other than the windows itself (winload.efi). Trying to launch any other UEFI ...
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0answers
289 views

Multiboot by UEFI boot manager for Win8.1, Mac OS X and Linux

I am trying to build a hackintosh and want to multi-boot 1) Windows 8 2) Mac OS X and 3) Linux. Each OS will be installed on their own harddisk. If the motherboard and display card are fully ...
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2answers
163 views

Windows 8.1 cannot be started from grub2

today I decided to use linux again after installing Windows 8.1... I've tried to boot one of the already existing Linux partitions on my computer but I wasn't successful. So I installed PinguyOS (A ...
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1answer
37 views

Does msconfig's boot setting show for Windows Bootloader entries?

I noticed on msconfig a boot tab. Currently, it has just one entry--Windows 8.1. If I were to dual boot Ubuntu into the computer, and use Windows Bootloader as my bootloader instead of GRUB, using ...
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115 views

winlogon.exe corrupted. Regular fixing methods do not work

In the morning, when I switched on my computer, I was faced with an error saying that winlogon.exe is missing or corrupted. I logged on to my USB OS and replaced the winlogon.exe on the computer ...
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0answers
204 views

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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1answer
324 views

Grub2: “Invalid partition table!”

I have recently had to change bootloaded from my old syslinux to GRUB2. Since I have installed GRUB2 bootloader I am getting the following message on every boot: Invalid partition table! The ...
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1answer
3k 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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9answers
258k views

How can I repair the Windows 8 EFI Bootloader?

I installed Windows 7 and Windows 8 in EFI mode on a hard disk some days ago. Today, the bootloader got missing/corrupted. I currently have the Windows 8 installer on a flash drive and tried using ...
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0answers
95 views

How to copy a MBR to usb flash drive and boot?

I am trying my own bootloader from pen-drive . Using 64-bit ubuntu-14.04 , and legacy boot option , here are the steps I have done. 1) Assembly program test.S .code16 .text .global _start; ...
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2answers
1k views

Truecrypt Full Disk Encryption - Bootloader on USB stick/pendrive

I thought about way to hide that I'm using truecrypt on HDD, other than truecrypt built-in decoy-OS feature - it has lots of disadvantages. My idea is simple: Use full disk encryption on my system ...
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2answers
73 views

Windows 7 is taking too long to load

When I turn on my computer (Windows 7) the operating system is loading for 10 minutes. The following screen is displayed for the first 9 minutes: How do I fix this?
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0answers
25 views

rEFInd loads to splash screen, no HDD activity

I've installed rEFInd manually on Windows as was described on the official guide. However, when I hit F12 as my computer boots up and select "rEFInd Boot Manager", it refuses to load it. Instead, it ...
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2answers
6k views

What is a u-Boot dtb file and how do I use it (BeagleBoard xM)?

I'm trying to build a custom Linux for a BeagleBoard xM (Rev. C). I do a lot of C/C++ but am a beginner at building and installing Linux from scratch. I used the Yocto Project build appliance ...
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32 views

How to install extlinux as the bootloader

Of all the extlinux/syslinux document that I read, all say that to install extlinux as the bootloader, it is as simple as: extlinux --install /boot/extlinux However, I always feel that something ...
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160 views

How to find a folder listed in my grub menu.lst

A friend gave me a USB stick that he had setup with a lot of useful utilities (like Hiren's Boot CD, an Ubuntu distro, a lot of hardware testing tools, etc). I want to update the version of Hiren's ...
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160 views

How can I fix GRUB on this dual disk setup?

I am dual-booting Windows and Ubuntu. The machine has two hard disks, both OSs are installed on sda (an SSD), but sda's bootloader uses UEFI and goes to Windows, whereas sdb has GRUB and boots to ...
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2answers
3k views

Can't boot from CD/DVD ROM: HP 650 Laptop

I'm attempting to load Windows 7 on a HP 650 laptop. When I'm in the Boot Manager, I should be able to select the CD/DVD ROM to boot from, but that option is not available. Here's what I do, Power ...
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0answers
65 views

How to restore the Windows MBR

I have a Toshiba Satellite L505D-S5965 with Windows 8.1 Pro and Ubuntu dual-boot, and I can't restore the Windows 8.1 bootloader with EasyBCD. When I use EasyBCD it always says "Missing Operating ...
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2answers
6k views

Windows on a Chromebook

I heard that it would be possible to install Windows on a chromebook in this blog article and I found a tutorial for installing Windows on the older model CR 48. I own the newer model Samsung Series 5 ...
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3answers
933 views

PC can't boot even from a live USB - probably corrupted bootloader or MBR

While getting rid of dual-booted Linux I tried recovering Windows 7's bootloader with EasyBCD. (one-click process described in this video) However, something went wrong and now GRUB is gone as it ...
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0answers
164 views

Keep Metro bootloader when Windows 7 is set as default

Recently I installed Windows 10 Technical Preview as a second OS, and I dual-boot it with Windows 7. I have UEFI setup, with Secure Boot disabled. Every time I set Windows 7 as the default OS I lose ...
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32 views

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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2answers
52 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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0answers
64 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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1answer
102 views

I need to hold the power key for 15-30 seconds to power on my MacBook Pro Retina

Starting after installing rEFInd on my Macbook Pro Retina (10,9) I need to press and hold the power key for a long time before even the blank which screen and boot up sound. How can I fix this? Here ...
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1answer
192 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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0answers
108 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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0answers
153 views

Add Windows Server 2012 R2 to Grub2 boot-loader

Short version: I have Windows 7, Windows Server 2012 R2 and Ubuntu 14.04 installed on my hard disk. I use grub2 as my boot-loader, so when I start up I can choose between operating systems. The ...
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1answer
143 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
45 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
522 views

Windows 7 won't boot from any bootloader except for Windows Boot Manager after partition resize

I have a triple boot system on a single SSD: OSX, Windows 7, and Ubuntu. I use Chimera (basically another version of Chameleon) as my bootloader. Usually I can boot all 3 OSs without any issue, but ...
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1answer
327 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
219 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
568 views

Is it possible to boot Linux on a x86 machine with uboot?

This is my understanding: BIOS does the basic initialization of the chipset and starts the boot loader which fires up the OS. And most advanced OS like Linux doesn't use BIOS. Also, embedded platforms ...
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2answers
2k views

How to get rEFInd working with FileVault 2 on OSX 10.8

I installed rEFInd on my new Macbook Air which I planned on using to do a dual boot to Linux, but prior to installing Linux, I decided to encrypt my drive. I knew I was going to do this, so I had ...
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1answer
48 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
205 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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0answers
2k views

Fix Windows Technical Preview bootloader

I was trying to fix an unrelated windows 7 install and seems like it accidentally overwrote the bootloader for the Technical Preview. How can I fix the bootloader on the Windows 10 Technical Preview? ...
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1answer
2k 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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2answers
15k 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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1answer
92 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 ...