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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What is the relationship between the Master Boot Record and the bootmgr and how do I backup both on a stick?

Yes, these are 2 questions: a. What is the precise nature of the relationship between the Master Boot Record and the bootmgr or BCD? is there some sort of hierarchy, dependency, interdependency, etc. ...
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34 views

Recover 2.7TB partition converted from GPT to MBR

I have a 3TB disk which had a 128MB Microsoft basic data partition at the beginning, and the rest was a large ~2.7TB ntfs partition. I recently converted this disk from GPT to MBR, and the second ...
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54 views

How to partition hard drive from MBR to GPT for Windows 8.1 UEFI install

I just bought a new HP notebook (ProBook 450 G0) and it came preinstalled with Suse 11 Enterprise. Now this is the first time I've owned a system with an (U)EFI and I don't know how things work on ...
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17 views

Recovery: what to do when MBR is deleted (Mac)

A bit of background I have an old Macbook (early 2006, Core Duo) that was is in a pretty severe condition, since one of the two memory slots behaves abnormally when I lift the laptop just slightly ...
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20 views

How to boot into a Linux, non-primary partition if Windows bootloader is on the MBR

I have Windows 8.1 installed in legacy mode/BIOS mode (ie: Not UEFI at all). Windows 8.1 is installed in the primary partition (ie: first). I (intend to) have linux installed in a second partition on ...
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4answers
160 views

How do I get my system to find a “buried” MBR?

Following a botched Linux install, my Windows 7 install can't find my MBR normally. It's in there -- somewhere -- and I CAN access it if I use F12 during boot to access the mobo boot options: Note ...
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1answer
21 views

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 ...
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1answer
26 views

My disk at half size after formatting

I'm a long time linux user, I'm also a Windows user, after formatting my brand new USB dongle I get ~30Gb from the partition table available to create a new partition where the nominal capacity of the ...
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2answers
50 views

Is it possible to recover data after disk' gpt to mbr conversion?

I tried to install windows that requires mbr system to a gpt system. I converted gpt to mbr using diskpart utility. After it all my logical disks disappeared and only one (with total amount of space) ...
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1answer
38 views

How can one Windows 7 corrupt second one on different SSD?

Words of true desperation: Several days ago, my system SSD broke, so I send it for RMA. I was in last step of making my bachelor thesis, so I had to be up and running. I used my second, older 60GB ...
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21 views

Need help fixing MBR on 2K3/Vista multiboot Dell 620

Such a long story and pain in the butt... My customer has asked me to load 7 windows vista clients and 4 windows server 2K3 machines bare metal(because apparently VM's aren't good enough) on a Dell ...
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1answer
25 views

Creating an additional partition on MBR partitioned drive with data on it

I have an external 500GB HDD which already has data on it, there is currently one partition on the drive but I need to create a new one on this drive with at least 10GB of space. I've already used ...
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1answer
26 views

Move partitions on disk

In order to install btrfs on my computer, I need a 1mb+ space before the first partition. The First Partition is the boot partition which starts at sector 63, the second partition is the dell recovery ...
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1answer
54 views

System Repair unavailable after moving Windows partition

After discovering that my System Reserved partition was much smaller than Microsoft recommends, I decided to use GParted to extend it with some of the unallocated space. Unfortunately, there was no ...
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1answer
33 views

Windows XP bootloader issues

How to repair bootloader I was looking through this post and feel like this is the process I need to be following. I'm working with Windows XP and need to rebuild the "BOOT.INI" after deleting it. ...
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1answer
19 views

Changing MBR code

I have read that during the booting process in linux, BIOS loads MBR from the first sector of the bootable device. Now, if I change the code of size 446 Bytes in the first sector of the bootable ...
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214 views

Recover data from a diskpart > clean command

This must be my one time blunder but I did manage to clean my 2TB backup external HDD in an attempt to clean a pendrive to make a bootable pendrive for installing Windows 8. Now the help file for the ...
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1answer
90 views

Cloning Windows 7 installation from MBR to GPT drive and make it bootable

I've seen threads on similar topics - such as this one - but the answers never seem to solve how to make it bootable. I have Win 7 64-bit on a PC installed on a 2tb MBR volume. The motherboard is ...
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1answer
23 views

How to change address of Master Boot Record

Can we change the location ( Starting and Ending address ) of Master Boot Record of a bootable device ? Doing so is operating system dependent or not ? If we can change the location of Master Boot ...
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1answer
65 views

Make 3TB hard drive appear as two (2TiB+750GiB) with MBR

Some manufacturers of external hard drives with capacity exceeding MBR partition capacity seem to sell them pre-partitioned to a 2TiB partition and one with the remaining capacity. Tools are ...
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1answer
104 views

How to make grub2 boot another drive MBR?

My laptop (DELL Vostro 3350) have two hard drives: 1- /dev/sda , ssd with Ubuntu14.04 , grub2 installed to this MBR. Installed on normaly hd bay 2- /dev/sdb , stock hd (with recovery partition etc ...
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1answer
27 views

Why does 32 bit reference sectors and not bytes for MBR hard disks?

Trying to educate myself on hard disk architecture and I am trying to wrap my head around the concept of the 2TB limitation for MBR. The question that arose is why 2^32 related to sectors and not ...
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88 views

How does Diskpart Clean All affect MBR and implications?

I want to overhaul my entire internal hard drive, re-partition it, and re-install Windows Vista. After booting on the Vista Installation Disk and opening Command Prompt, I'm not sure whether to use ...
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2answers
90 views

MBR bootsector that boots the active partition

I have the burg bootloader currently installed on my mbr (+ the following sectors), and I would like to install it on the boot partition, and replace the mbr with a simple one that will boot the ...
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70 views

Trying windows 7 dual boot on a windows 8 machine

I have a ThinkPad (T530) with Windows 8.1 with one HDD and this is what I have done to achieve dual boot with Windows 7 on this machine - On my main and only hard disk I created a new volume ...
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65 views

How to convert MBR with extended partition to GPT?

I have a disk with extended partition, and are all used. Now, I want to convert this disk to GPT. But GPT does not support extended partition. I wonder if it would be possible? Or maybe the extended ...
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1answer
98 views

What are GPT Protective volumes on Windows 8 and can they be recovered?

I have seen a few GPT Protective volumes now with Windows 8.x. These are default configurations where the users are very "un-savvy" and so they did not enable anything as far as additional security ...
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37 views

Data recovery on bitlocker drives? [duplicate]

I have a Windows 8 drive that had the GPT Protective partition converted to MBR in an attempt to read it on another system. The user then did not see the drive yet still and converted it back to GPT. ...
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1answer
205 views

How to reset MBR partition table macbook pro?

I used refind/refit's bootsync utility to update my macbook pro's mbr partition tables as a part of a triple booting process. Now I want to replace the operating system installed on one of the ...
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1answer
139 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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1answer
30 views

Windows XP MBR as a file [closed]

I would like to start a Windows XP installation in a VirtualBox VM from a physical partition. For this I need the Windows XP MBR as a file. Can anybody read this out and upload it for me? If somebody ...
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1answer
111 views

UEFI with MBR partition table?

i want to convert current GPT partition table to MBR. But my laptop has UEFI, so is it safe UEFI with MBR partition table? or maybe i am misunderstanding about UEFI/GPT things?
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Copying just the Windows 7 VBR (not MBR) in dd

I know how to copy the MBR using dd. This is just copying the first 446 bytes of the source HD to the new HD. What I am trying to copy is the VBR (volume boot record, partition boot record, or ...
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1answer
58 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
160 views

How to save Lenovo Ideapad Flexbook with a 1234F command prompt and boot issues

I got a little bit overzealous when trying to make my Windows 8.1 Ideapad dual boot Linux and now I'm afraid I'm about to lose 2 whole OS's worth of mission-critical data. Here's what happened: I ...
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149 views

3TB Hard drive stops reading/locks up after a few minutes of use

This has been driving me a little batty lately as i dont understand enough to fix the problem. My HTPC (Windows 7Pro 32bit) currently has two USB HDD plugged in under separate ports. The 2TB is a ...
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2answers
71 views

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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1answer
61 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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2answers
1k 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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3answers
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Cannot boot on any device if hard disk inserted

Suddenly, I cannot boot from any device (hard disk, CD, USB): I get just a black screen and nothing else. When digging in this issue, I tried removing the hard drive and now I'm able to boot from CD ...
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0answers
82 views

Oops I broke my MBR. What do I do?

Note: I just posted this on the mac stack exchange, but they didn't have tags for MBR or GPT so I thought I might have better luck over here... I installed Mavericks a couple weeks ago and discovered ...
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1answer
34 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
79 views

Does the fixmbr command repair the Master Boot Code only or it repairs the Master Partition Table, too?

I know there all kinds of programs out there that advertise fixing the MBR, especially Windows. The Master Boot Record consists of the Master Boot Code and the Master Partition Table, correct? But I ...
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1answer
121 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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2answers
669 views

Repairing the windows boot sector and/or master boot record (MBR) of Windows XP using Windows 7 commands

I have a SSD drive with Windows XP SP3 32-bit edition. Now, in order to repair the boot sector or the master boot record (MBR), can I only use a Windows XP Recovery disc or will a Windows Vista or ...
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Windows 7 does not Boot after removing Ubuntu

I had Windows 7 and ubuntu on my PC. Now I removed Ubuntu from Disk via Windows and restored original MBR oft Win7 via Installation disk. Now I tried to Boot thr PC. Following message: The boot ...
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Fixing SSD hard disk drive bad sectors or recovering data from SSD HDD bad sectors [closed]

I'm not trying not to repeat any questions already listed but might be a good exception, if it is. Rundown: Laptop with 2.5" 256GB SSD HDD Encrypted with PGP Whole Disk Encryption Laptop and HDD ...
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1answer
85 views

How can I clone my Windows 7 hard drive to an SSD that previously had Windows 8 installed?

I recently bought a new SSD, and decided to create a fresh install of Windows 8 on it. I quickly decided that Windows 8 wasn't for me, so what I decided to do instead was simply clone my existing hard ...
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1answer
83 views

Restore MBR and get everthing to its default

im on a cricital situation, i am not able to boot into my win 8 after i wanted to instal win u7 on a other hdd, something went wrong and when i removed my windows 8 hdd, windows 7 did not wanted to ...
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3answers
611 views

Can only see 1.6 tb with an 4 x 4tb raid 0

Im trying to have window see my raid 0 array. Please also note that I did research on google before coming on here. Ok so i just bought a z87-deluxe Dual and trying to set 4 x 4tb drive in a raid 0 ...