Master Boot Record (MBR) is a type of boot sector popularized by the IBM Personal Computer. It consists of a sequence of 512 bytes located at the first sector of a data storage device such as a hard disk.

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Fixing damaged partition table

This is continuation of Recover Extended Partition , but this time I have different problem related partition table it self. I managed to restore partition that I needed and backed up files that were ...
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230 views

Changed the drive letter of a non system partition and now the machine won't boot

My girlfriend's Windows 7 netbook had a partition with the letter V. I don't know where it came from no what it is. It contained a couple of files including command.com which is from pre Windows XP I ...
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596 views

Reinstalling GRUB on Linux netbook

I have a distribution called Easy Peasy on my netbook, it's Ubuntu-based. Today when I started it up it told me 'grub corrupt'. On subsequent start-ups it displays 'unknown filesystem.' I'm given a ...
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Restore MBR to another Disk

My system had Windows and CrunchBang installed. It used GRUB over the Windows boot manager. I now deleted the CrunchBang partitions and want to restore the Windows boot manager. When I insert the ...
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976 views

Cannot Install Bootcamp on Mac Fusion Drive

I have two drive installed in my mid-2013 Macbook pro. It is running osx maverick. I set the two drives (an ssd and a regular HD) up using the fusion drive (following the diy fusion drive guides out ...
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69 views

Is there a way to fix this Windows boot issue?

I have a dual-boot system (Windows/Linux) and recently started having trouble booting into Windows. Probably an MBR problem. I can use a GRUB2 bootable CD to access Windows, and Linux boots just fine. ...
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How to fix Truecrypt MBR using Command Prompt or Linux live USB?

I was playing with TrueCrypt and decided to make a fresh installation of Windows 7 from USB stick. Unfortunately Windows 7 installer: "setup was unable to create a new system partition" My entire ...
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469 views

Incorrect disk size reported for internal drive after attempting to boot from external drive

I wanted to run something off of my old Windows XP install, so I plugged it in as an external hard drive and attempted to boot from it. The machine blue screened on me. (I now know this is a bad ...
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709 views

bootmgr missing after restoring with sysresccd

I backed up my laptop months ago. Today i repartition the drive and used sysresccd with partimage to restore the HDD. I got a success msg after restoring however when booting i get a bootmgr missing ...
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437 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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394 views

Chainload EFI Bootloader from grub2 installed on MBR

When trying to chainload a EFI-bootloader from my grub2 I always get an Invalid signature error. According to this question, it happens because my grub2 is installed on an MBR-harddrive. The author of ...
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101 views

Fix MS-DOS MBR Without DOS Boot Disk

How can I restore the MBR for MS-DOS without having an MS-DOS boot disk or floppy drive. Ideally, I would like to be able to do this from a Windows 7 Win PE disk. The only solutions I've found online ...
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52 views

Restore hard disk signature

I have put my desktop hard drive into another machine. To make it usable I had to go to Device Manager and click Online. When I put my hard drive back into the old PC, I am not able to boot the ...
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1answer
59 views

microsoft boot manager replaced by grub2?

I was running my pc with Win 8.1. I was thinking about trying linux for a long time so I decided to give it a try. I tried to install it several times but I was never able to boot to it, all I could ...
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1answer
30 views

dd MBR and one partition

I have 2 partitions on a drive and I need to use dd to create a new image of just the MBR and second partition. Here is the output of fdisk -l /dev/sda Device Start End Blocks ...
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1answer
109 views

UEFI BOOTLOADER with MBR Drive

I turned on my laptop today and it started saying "BOOT Device not found Error 03F0 Hard Disk", I checked my BIOS Setup and it was in UEFI Mode, I tried to boot from CD/DVD in UEFI mode and got same ...
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1answer
316 views

Windows MBR broken after a Windows update

My Windows 7 machine was working fine last night. When I booted it up it installed an update and then I started using it... It hadnt restarted since the install of the update so I didnt notice that ...
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1answer
69 views

How to install MBR on to harddrive

Little bit of background... And i may be incorrect. Someone before me, installed the MBR on one hard drive & the Windows 2008 OS on another ard drive. So when the hard drive with the MBR went ...
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294 views

Configured boot loader with EasyBCD, screwed up Windows

I have a particularly challenging issue with my windows boot loader on my Dell Latitude e6520. I have two drives, an internal HDD and a SSD installed into the system device bay in a caddy. Here's my ...
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177 views

Read MBR from Hard disk image file (.img)

I have created two image files (.img) of my two Hard disks which were RAID0. Now I need to copy MBR bytes from my image files in order copy them to mentioned hard disks, because I have re-created the ...
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1answer
9k views

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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736 views

Linux set bootflag?

Ok, so I messed up my MBR and I need to set the boot flag, (not the active partition!). I have searched for similar questions but all the answers I see is "how to set a partition to active", and that ...
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204 views

How to extract .raw backup of Windows to a partition?

I have a backup of a Windows 7 drive (virtualbox install) made in .raw format and I want to extract it to my empty partition ready for Windows. Im using OSX. Any ideas? I have tried this: sudo dd ...
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158 views

Change Windows from booting with BIOS to EFI from other OS

So I have just used gdisk to remove the MBR on my Mac's drive because I got annoyed that I couldn't access my fifth partition - but then learned I could with GPT. Now that I did the "conversion" (its ...
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1answer
3k views

Unable to access UEFI BIOS setup or boot into Windows after setting MBR with EasyBCD then resetting it

I can't exactly remember what the menu items were called (because I can't boot into my computer), but I'll try my best. Earlier I tried using EasyBCD with Windows 8 on a UEFI Lenovo IdeaPad Z580 ...
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1k views

Migrating Windows 7 from MBR to EFI without formatting

Based on the experience documented in Migrate from MBR to UEFI with an encrypted system partition I'm considering the opportunity to migrate Windows 7 from the plain ol' MBR to the new GPT/UEFI boot ...
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1answer
149 views

MBR Partition Table not found

Well... I was trying to activate my windows 7, the first program that I used was "MBR Regenerator" that would turn windows back to the trial mode. Ok. The program asked to a restart, and I did it. ...
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1k views

Boot entries removed through easybcd. How do I restore Windows 8 MBR?

Somebody deleted my easybcd boot entries when I wasn't looking! I had a dual boot with ubuntu. I used my live usb and installed boot repair on the demo. After I used it, my ubuntu install was working, ...
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1answer
69 views

on a server does master boot record formating of the disk support the dynamic disk type?

If I convert a disk from basic to dynamic is it possible to format it to master boot record (MBR) or is it just possible to format with GPT?
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798 views

What is keeping me on 'Preparing your desktop…' after my Windows 7 parition migration?

Here's the situation: I had Windows 7 and Ubuntu 12.10 dual booting on one 120gb ssd. I recently purchased a 240gb ssd and wanted to migrate both of those partitions to this new one. I used Gparted ...
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1answer
208 views

Deleted the GPT partition/ record

A friend of mine had GPT partition n his Lenovo laptop. While formatting the computer and reinstalling the OS, I wiped of all the partitions, and created 4 new partitions. Now after installing ...
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1answer
355 views

Suspected Corrupted Windows 7 MBR?

So, this may not be the correct place to put up my question, but i'll give it a shot. I'm having an issue repairing this computer. It was brought to me with the described issue of 'Not turning on' ...
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1answer
376 views

Linux: install GRUB on an external drive destined for another machine

I have a hard disk that's failing, so before it dies completely and I have to resort to backups I want to copy everything (OS and all) onto a new disk, and put that back in the machine the failing ...
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1answer
245 views

windows 8 release preview and GRUB

On my pc I have Windows 7 on the primary partition, Linux Mint 12 on a logic partition and windows 8 release preview in an extended partition. When I installed w8 it has overwritten GRUB and ...
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1answer
226 views

cannot boot from CD, MBR Error with no HDD attached

I'm trying to get an older 32 bit computer up and running. I set BIOS to boot from CD 1st, HDD 2nd. It gets to "Boot from CD" but it never gets to "Press any key to boot from CD". The screen just ...
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1answer
129 views

External Hard Drive prevents windows from starting

I have an external hard drive that I was using for installing windows on my computer, and now it won't let Windows start up. The drivers load (in safe mode) but the blue bar never comes up (in normal ...
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1answer
869 views

Want to remove 2nd disk but MBR needs to be moved. How do I do it?

I have a laptop with two HD, the second one was added later. I had Windows Server 2008 installed on the first disk (0) and thn added the second disk (1). Next I installed Windows 7 on the second disk ...
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1answer
909 views

Editing MBR for flash device

I have a flashing system for a tablet what got an internal SD card to be formatted on every flash. Basically, it writes an MBR file to it, instead of using a partitioning app (fdisk, or anything), and ...
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1answer
60 views

Problem when booting debian

I am trying to setup a home server running Debian. I set up the partitions manually using gparted with the drive connected to a usb caddy on another PC, used debbootstrap to get the base file system. ...
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1answer
307 views

Can Windows boot manager remember the last booted OS as default?

Recently, I setup my Win7 notebook vhd dual-boot. (Copied old Win7 32bit into a vhd disk, repartition and installed new 64bit Win7 into another vhd as new primary system.) How can I configure bcd to ...
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1answer
402 views

How can I simplify my boot-loader-chain into a single menu? (ubuntu windows)

I've installed Windows XP Proffesional, Windows 7 and Ubuntu 9.10. On every boot my system nags me with 2 menu´s. Ubuntu Grub2 Bootloader (Ubuntu or Windows 7) Windows 7 Bootloader (Windows 7 or ...
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1answer
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Installing Ubuntu 12.04 x64 in MBR

I wanted to install Ubuntu 12.04 side by side with Windows 8.1 in my SSD. Windows is already installed in MBR, even though I have a UEFI machine. And so I used the legacy Bios. I have confirmed that ...