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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Just installed Fedora 18 and computer is not booting

After some initial trouble, I was able to install Fedora 18, but Had to Disable Secure Boot, disable Fast Boot, and Enable CSM. Side Note: I was reading that by Enableing CSM I was not going to be ...
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How to import existing Linux partition into VirtualBox as guest?

I recently upgraded to Windows 7 (from Windows Vista). I assumed, unwisely, that because it was an upgrade it wouldn't need to screw around with the MBR. However, it apparently did, with the result ...
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How can I directly edit the filesystem of a flash drive / flash card?

I have an inaccessible SD card, and I need to manually rewrite the tables for the filesystem. Is there a method I can use to directly edit these file system tables in Windows 8? It should preferably ...
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How to chain GRUB2 for Ubuntu 10.04 from Truecrypt & its bootloader (multi boot alongside Windows XP partition)?

I want Truecrypt to ask for password for Windows XP as usual but with the standard [ESC] option, on selecting that, i.e via Escape key, I want it to find the grub for the (unencrypted) Ubuntu install. ...
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64 views

Recovery of zeroed first 27MB of disk

I have laptop with SSD inside. Externally I have 750GB disk connected via USB 2.0. I was trying to zero pendrive using Cygwin - pv /dev/zero > ... but zeroed about 27MB of 750GB disk, not ...
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Can an SSD have a MBR and a bootloader?

I installed both Linux and Windows on my newly bought SSD (sda). When I installed Linux, I chose to install the bootloader on the SSD (sda). After I finished, I got only a black screen when I chose ...
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814 views

Can I repair Win XP MBR using WIn 7 CD?

I have a dual boot machine (ubuntu 12.04 and xp sp3) and now I want to get rid of ubuntu. After searching over the internet I found that I should first remove the grub (by fixing the MBR) so that the ...
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147 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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292 views

SSD, MBR, GPT and Linux (choices)

I'm getting a new computer with a 120GB SSD and a 500GB HDD @ 5400rpm, I will install Arch Linux on it and maybe Windows at some point. My indecision starts with the following issues: I though about ...
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Clone a Windows Installation to a 3TB Hard Drive; MBR to GPT

I have Windows 7 Professional 64-bit installed on my desktop. Unfortunately for me and my wallet my hard drive is failing. I have purchased a 3TB hard drive as a replacement for my current 2TB ...
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Should I configure my New RAID5 Drives as MBR or GPT?

I have a new RAID-5 Setup on a Server here at work. I have just created the RAID-5, and its size is a little over 2.7 TB. Now, Iknow that MBR does not support anything over 2.2 TB, however, I have ...
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extending a triple boot system: quad boot and beyond?

I have a working triple boot system using Refit, that is modeled closely after the steps detailed in https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation, except that I'm using ...
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667 views

Repair bad sectors and mbr in hdd

I launched chkdsk, suddenly my PC goes off, and my HDD was damaged ! I have 3 partitions (including the system-reserved one ) I can't access the root one (where win8 was installed and where I have my ...
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278 views

How do I choose which GRUB the MBR looks at with multiple linux distributions?

I have two instances of Ubuntu running on my computer (The second one is for an operating systems class). The problem is that when I installed the second Ubuntu, the MBR now looks at the second GRUB, ...
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1answer
793 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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FreeBSD Install DVD changed pmbr to mbr leaving Mac OS X unbootable

Recently I was experimenting with FreeBSD 7.4 i386 Install DVD on a Mac mini Intel 2006 on whose harddisk Mac OS X 10.5.8 was installed. My aim was to just see contents of the harddisk from the ...
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What is the use of the [BOOT]/Bootable_NoEmulation.img file on several boot images?

I've seen a file called [BOOT]/Bootable_NoEmulation.img on several boot images, and always wondered what it's use is. Neither found a suitable magic number nor could Google help me so I ask here. ...
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BSOD, MBR corrupt, tried to fix using Testdisk on Linux dual boot, now nothing works

The short story is I received a BSOD from a Windows program. I then couldn't boot Windows. My system is set up with GRUB to dual boot into CentOS, so I booted into CentOS and attempted to fix the MBR ...
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691 views

CloneZilla errors when attempting to clone and create partition table proportionally

Carrying on from a question regarding hard drive space on a cloned hard drive, i'm attempting to recover the space using CloneZilla and using the setting -k1, create partition table proportionally. ...
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509 views

Does the 'mount' command rely on MBR to detect partitions, or can it use the GPT partition table?

TL:DR I have Mac, which means I have EFI and a GPT formatted disk with a hybrid MBR. I am considering adding a fifth partition; to do this, I will mask my first three GPT partitions with one ...
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Factory 2TB GPT disk with 16GB in unused partitions. Is this right?

I just received 4 SATA II Seagate Barracuda 2TB drives that I intend to use for various purposes. Looking at Vista's Disk Management utility I find that all 4 drives come from the factory as GPT disks ...
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How do I fix a Windows XP bootloader error when BOOTCFG, FIXBOOT, and FIXMBR do nothing?

I recently replaced a faulty hard drive with two hard drives that I then raided (1) together and installed Windows XP on about a week ago. Since then, I have always received this error: Windows ...
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MBR partition with more than 2 TB

Various sources (e.g. 1, 2, 3, 4) claim that hard drives using the MBR partitioning scheme are limited to a maximum partition size of approximately 2 TB, and that you need GPT to support larger ...
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How to check if a drive has an MBR?

I cloned my drive. Then I wanted to select that as boot device, but it didn't show up in BIOS. This forum post says it's because the MBR was not copied. So how do I verify that the MBR was copied? ...
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Does master boot code change when installing new OS

MBR include 3 parts: Master boot code, Partition table and disk signature. For example, I install Windows first and after linux. I don't know master boot code depend on boot loader? (NTLDR or Grub2). ...
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Intel BOXDH77KC won't boot Linux GPT disk

To be complete, it won't get to grub without going through the boot menu - even if the disk is the only option in the boot menu. (It's annoying enough that I have to hit F10 every time I boot that I ...
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How to fix MBR of external hard disk?

I have a 320 GB WD hard disk and recently some folders got corrupted. I tried to use HDD Regenerator to fix the hard disk. While it was repairing, it was interrupted. Now the hard disk won't mount ...
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How to fix MBR of external hard disk? [duplicate]

I have 320Gb WD hard disk and recently I got some folders corrupted and I tried to use tool called HDD re generator to fix the hard disk and while it repairing it was interrupted now hard disk won't ...
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1answer
183 views

How to increase the time the operating system choice screen flashes up, to choose the OS

So I installed Windows Mint along side Windows Home XP. The system boots onto the hard drive but the OSvchoice screen flashes up for about 400ms and I hardly have the time to make a choice. Is there a ...
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GRUB not loading

I just installed Fedora 18 alongside a pre-existing windows 7 from a live-usb to a single 1TB hard disk with multiple partitions. created all necessary partitions as recommended: / :40GB /boot ...
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How to remove linux mint? [duplicate]

I've windows 8 and Linux mint both installed on my system , Now I want to remove both Linux mint and windows 8 and install windows 7 from a USB flash drive . I don't know where the Linux mint files ...
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How can I move the boot sector to another drive?

When I installed Windows 7 on my new SSD it seems I messed some parts up during the partition selection, and now I have my system partition with the boot sector on another harddrive, and the boot ...
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What is hd0 and sda/sdb in Linux?

I'm completely new to Linux, and am using Ubuntu 10.04. I'm confused when to use what (hdx,y) to represent which hard drive. I have 2 hard drives, the first one is identified as /dev/sda (in Disk ...
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Windows flags secondary SATA drive bootable - can only boot once with the drive in place

On my GPT/EFI-based new Windows 7 PC, I was trying to install my old PC's MBR-based drive as a secondary SATA1 disk. I've got Windows 7 and Linux Mint dual-booting on the new SATA0, but I still want ...
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How can I recover a lost MBR/boot sector?

I had a VDI (VirtualBox Virtual Disk Image) with Ubuntu 11.10 (64bit, I think) installed on it. Earlier, while running a GParted live CD on my Virtual Machine to erase the partition table of another ...
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How to generate an MBR binary?

I am using the Bochs Emulator running on an Android host system. My Android filesystem is mounted as a Bochs "vvfat" partition. Now, the way in which Bochs generates the CHS values for this partition ...
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Quad-booting a Macbook Pro?

I know that it is possible to tri-boot a Macbook Pro with OS X, Windows, and Linux, giving each OS one partition. However (and I know I am probably a little crazy for suggesting this), is it possible ...
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Will Windows 8 install on MBR?

So will Windows 8 install on a disk which is of partition scheme MBR? Also, can there be anything like MBR and UEFI? (Isn't it GPT + UEFI?) Do the First Generation of Intel Core (i3,i5,i7) support ...
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Upgrading to UEFI / GPT / Windows 8

I've recently upgraded from Windows 7 / VMware to Windows8 / Hyper-V with my Dell M6600 and I'm really please with the result. I admit though I like to run the latest stuff so I was wondering is ...
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How do I create an MBR on a USB stick using DD command line tool

Okay I'm trying to create a BOOTABLE Windows7 image on a USB key from a Mac running Lion. My image is .iso format. I tried: sudo dd if=/Users/myusername/Win7.iso of=/dev/disk1 bs=1m And this ...
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Where to find MBR in windows 8 and how to proceed from there to change its record? [duplicate]

Possible Duplicate: How to speed up a PC with two OS on two hard drives My PC takes a considerably long time to boot, sometimes almost 2 to 3 minutes. Do see my earlier question here. ...
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Reinstalling Windows' MBR

I'd like to reinstall the Windows MBR. My first hard drive is as follows: (hd0,0): fedora 15/ext4 (hd0,1): windows 7 x64 I have GRUB installed on it right now, which allows me to boot Fedora just ...
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187 views

Restore access to Linux partition after wiping Windows partition through Windows installer

I have a dual boot Windows 7/Linux Mint 14 system (installed Windows first) with a single hard disk and four partitions (in order: System Reserved, Windows 7, Linux, swap). I wanted to reinstall ...
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Can random data from a wipe or encryption of a full drive result in fake partitions appearing in the MBR? [closed]

QUESTION : Can the apparently "random"-ish data written to a full drive (not just a partition) during a random "wipe" or encryption be somehow interpreted by the computer as having a "valid" MBR ...
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How do I fix MBR on Windows XP? (no such partition after removing Linux)

I need some basic help with fixing partitions. I have installed Linux on a partition but then I had to reclaim the space. I used diskmgmt to erase partition and then easeus partition tool - to ...
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Fix single entry from mbr [closed]

I use EasyBCD to manage my tripleboot of (1) Windows Server 2008 R2, (2) Windows 7 Professional and (3) Ubuntu Linux. While trying to change the order of my boot menu I ended up losing the Windows ...
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Is there a way to read the contents of the master boot record?

Reading another question on here it made me curious if it's possible to actually read the contents of the mbr. As I understand it, there's a certain area at the very front of the partition that lists ...
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How to tell which physical disks have bootable MBR?

The computer I am using right now has 6 physical disks attached. Using the BIOS's "select boot device" functionality I have discovered that I can boot off 3 of these disks into the exact same ...
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401 views

Multiple Bootable Images on Flash Drive UEFI mode

I am aware that there exists tools that can change the mbr of the drive so that it can boot up multiple operating systems such as the Windows XP installer, Windows 7 installer, Windows PE-based live ...
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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 ...