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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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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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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614 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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32 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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279 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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217 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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28 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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160 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
177 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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85 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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119 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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202 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
461 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
567 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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35 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
373 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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39 views

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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84 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
402 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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328 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
91 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
106 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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3k 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
108 views

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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120 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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53 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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90 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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177 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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1k 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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1answer
44 views

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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2k views

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
121 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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98 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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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 ...
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How to convert MBR disk to GPT disk on Windows XP? [duplicate]

My new harddrive is larger than 2TB, and for some reasons I have to convert it to GPT disk so I can use all the space. How can I convert my WD Red 3TB into GPT disk so I can use all its capacity? I ...
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2answers
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what is difference between gpt partition and mbr partition and where structure differs?

Where GPT table using and MBR partition table using. Windows 8 installing and booting in UEFI mode so it is supporting GPT partition style so we can create 128 primary partitions using windows8? can ...
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1k 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
100 views

Is it possible to move MBR from one HDD to another?

I have two HDD, when I installed Ubuntu its MBR went to the first HDD. In the second HDD Windows XP was installed. When I boot system it automatically goes to XP unless I change HDD manually to see ...
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Reinstall OEM copy of windows 8 as mbr?

Currently the system is using UEFI with a gpt partitioning table, running windows 8. I was wondering whether there is any way to reinstall windows 8 (I have made recovery disks) in such a fashion ...
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2k views

MBR equals msdos for gparted?

I want to create a MBR partition table with GParted. In the confirmation window I can choose between various types of partition table. Default is msdos. Is it the same as MBR partition table? I'm ...
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4answers
159 views

Dual boot Linux with Windows 7

I am trying to recover an installation of Linux on my machine, preferably without having to reinstall Linux (and possibly Windows) altogether. I have installed Pear OS first, and then installed ...
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1answer
90 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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1answer
398 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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2answers
160 views

How to change partition order in MBR?

I have a 16 GB USB stick, and I want to use as an Ubuntu installer, but I also want to have a data partition. For that I created have two partitions: Model: Kingston DT Elite 3.0 (scsi) Disk ...
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558 views

How do I convert a MBR disk containing a Windows boot partition to a GPT disk while leaving the boot partition bootable?

I have an existing Windows 7 64-bit boot partition on a 3 TB hard drive, which is an MBR disk. My BIOS is definitely a UEFI BIOS. The motherboard is a Asrock Z77E-ITX (see ...
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974 views

Kali/Ubuntu doesn't detect windows partition

I am trying to dual boot Windows 7 with Ubuntu or Kali Linux but i am unable to do so. I have backed up all my data to an external hard drive. So it is safe to work with partitioning. I have a 500 ...
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2answers
3k views

USB hard drive moved to internal, now shows GPT Protective Partition

I'm using Windows 8.1. Using a brand new 1TB hard drive, I attached it to a SATA to USB connector, formatted it and transferred about 500GB of data to it. I don't remember if I formatted it as GPT, I ...
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1answer
123 views

Disk boot failure from time to time that dissolves upon another reboot

I'm running a Windows 8.1 on my PC, all of a sudden this PC started rebooting (while idling) and printing out the DISK BOOT FAILURE disgusting error. When I reboot the computer once again everything ...
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2answers
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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. ...