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

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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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14 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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44 views

Unbrick modem using Serial line recovery.?

I have a Fiberhome AN1020-25U ADSL+3G Modem. My modem is bricked...! Modem's ip 192.168.1.1 is also not responding. Then I tried serial line recovery, I connected all wires (Rx, Tx etc) correctly. And ...
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28 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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36 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
36 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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70 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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14 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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59 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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14 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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13 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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18 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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40 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
153 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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30 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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48 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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19 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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37 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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94 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
368 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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61 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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67 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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63 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
38 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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99 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
105 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
36 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
111 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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247 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
481 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
56 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
50 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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127 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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2k 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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20 views

Moving Select Partitions and MBR From Old Drive To New

On my current drive I have a dual boot system setup (two different versions of ubuntu.) I want to migrate to a new hard drive but I don't wan't to keep one of the Ubuntu installations. So here is how ...
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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 ...
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114 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
208 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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162 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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19 views

booting option doesn't come anymore.Why?

My system is on dual boot with windows 8.1 and ubuntu with secure boot off and it was working perfectly.But suddenly instead of giving me the option of windows or ubuntu boot loader,it has directly ...
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1answer
313 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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64 views

EC2 AMI instance store backup grub utility required

I am working on backup of whole ec2 volume and image to upload to s3. I'm trying to use RHEL7 and it internally uses Grub2 as bootloader. EC2 AMI tools requires grub legacy loader and I'm struck up in ...
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473 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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900 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
72 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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56 views

USB multi-boot bootloader key with Whole Disk Encryption

My goal is to have a multiboot system(OSX and Ubuntu) on my MacBook Pro while utilizing whole disk encryption(WDE). However the tricky part that I haven't been able to solve is that I want the ENTIRE ...
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116 views

Dual booted HP Pavillion 23 isn't loading windows 8.1

I have an HP Pavilion 23 that I partitioned and loaded up with Ubuntu Server. Server had trouble installing, and Windows 8 (The pre-installed OS) wasn't loading up right either. So I formatted the ...
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1answer
200 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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275 views

Loading freedos no kernel sys

I have tried using testdisk for many times on several external drive, however, this time I accidentally rewrite the MBR on the system drive itself that result to my computer unable to boot to its OS. ...
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214 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 ...