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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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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251 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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101 views

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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133 views

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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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. Where I ...
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2k views

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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293 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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160 views

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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2k views

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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63 views

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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625 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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313 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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Recover Extended Partition

I have a serious problem. I lost my MBR. But that is first of the problems. My disk layout was something like this (more less); sda1 truecrypt-os 80GB sda2 ext4 8GB sda3 swap 4GB (sda4) extended (...
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How to install Windows 7 from eSATA?

I want to put a Windows 7 installer on a OCZ Throttle and install from it using eSATA. Some guy tried it here: http://www.ocztechnologyforum.com/forum/showthread.php?t=58874&highlight=throttle ...
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Can not boot windows XP from cloned hard disk - what can I do?

My configuration: a PC (some years old) with MSI K8N-Neo-4F Motherboard, 1 GB RAM. Disk 1 (Maxtor, SATA II, 250 GB): 2 Partitions, on Partition 1 (48 GB): Windows XP Professional (NTFS) on ...
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Restore Win 7 MBR without Recovery/Install Disc

Here is what I'm trying to do. I'm trying to switch my Primary OS drive from a larger hard drive (1TB) to a smaller hard drive (64GB SSD). All my data only totals up to +/- 35GB, which should fit on ...
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Cloned Windows 7 to new HDD and want to change the drive letter to C

I used Clonezilla to clone my existing hard drive to a new one I bought. I then changed the BIOS to set the new drive as the first in the boot sequence. I'm pretty sure that I'm still running Windows ...
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1answer
792 views

Should I write the MBR to my SSD?

I'm planning to install a SSD soon, and I want to make sure I get all the boot time benefits. Right now, I have Windows and Ubuntu installed on two separate HDDs. The Windows drive contains the MBR. ...
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How to install Windows 8 boot manager in a different partition?

The last time I installed Windows 7, the boot manager automatically got installed in a small hidden partition, and the main os into another partition. So, formatting the C: won't affect the boot ...
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Can I make my drives visible and change their partition type without losing my data?

I have made a lot of mistakes and now I cannot see my hard disk nor I can start my operating system on my laptop. All my passwords and important files on my hdd without any backup. I followed this ...
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3 TB HDD won't reactivate

After doing a clean install of Windows 8 my Seagate 3 TB HDD won't reactivate in Disk Management. The two volumes are there but I can't use them for some reason. The drive was previously used with a ...
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Problems with Windows 7 + Windows Server 2008 R2 multibbot on EFI computer

We have a new computer, and I am a bit confused from its new features I don't know from older hardware. It is a high end PC based on socket 2011. I want to use an SSD disk for operating system, and I ...
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Make GRUB2 work installing Linux over OEM Win7

I bought an Acer laptop with Win7, and installed Linux Xubuntu as second OS. It says the GRUB was installed as well, but at the boot it keeps loading only windows. No grub screen at all. What to do?
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MacBook Pro 8,1 triple boot, rEFIt not showing, Mac only boots on windows

I'm new to Mac multi booting. I've just installed a triple boot (OS X Mountain Lion + Ubuntu 12.04 + Windows 7 Ultimate) on my MacBook Pro 8,1. Everything went more or less right. I had the rEFIt ...
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488 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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596 views

Remove or Disable MBR from old C:\ Drive

Using a USB to Sata connection from an old XP box, is it possible to remove/disable the MBR\boot sector on a drive pulled from a Win7 box? C: - I can see the drive and folders and such on my XP box, ...
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177 views

How do I edit the partition boot record?

I have a computer with 2 partitions, and I wanted to have Ubuntu on one partition (of 200GB) and Windows on the other(of 800GB), so I began installing windows on the 200GB one (by accident) I then ...
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70 views

Dual booting Windows 2k3 Server and Linux MBR

I have Windows Server 2003 and Linux installed on one hard drive [on separate partitions]. My first partition is the linux boot partition, and maintains Grub. When I boot the Windows partition and ...
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Will Win7 ImageCreate overwrite the MBR?

Using Win7 64bit. If i use the Win7 Image Create in the backup/restore app, when i go to re-install the image will it competely overwrite everything, including the MBR??? I want to be able to do ...
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484 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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two xp windows on same machine

When the computer start, it displays me two XP versions to choose from. One XP windows is the new installed windows OS on drive C and the other was on drive F , but it's content was formatted. How ...
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Possible HDD malfunction. Need help in diagnosing

Today when using my PC as I did for almost 4 years I experienced the following: during opening new tab in Opera browser screen froze. Music (AIMP 3) continued to play for about 5 minutes and then ...
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How can I fix the MBR after cloning a Windows XP installation?

I have a dual boot system on a 320GB HDD that contains 3 partitions. The first partition contains a Windows XP installation for tests, the second partition holds another XP install for daily use. The ...
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How to easily remove Win7 MBR? (I always boot TrueCrypt loader from a CD-R)

To mitigate damage from a virus infecting a Windows 7 MBR I boot into TrueCrypt encrypted windows from a CD (changed BIOS to boot CD first). I plan to boot other Operating Systems from external hard ...
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Installing Windows 8 from a Hard Drive forces it to be a dependend drive to load Windows

I wanted to do a clean install of Windows 8 using a hard drive as an installation medium to a clean separate hard drive. Here is an initial hard drive config: A Windows 7 (I boot from it by default) ...
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251 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
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Why is my Windows 7 installation failing when a new bootable Linux drive is inserted?

Ok so I just got a new SSD for my laptop. I have installed Windows 7 on the SSD and can successfully boot into Windows 7. I took the SSD out and put in the normal hard drive and installed Ubuntu onto ...
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2answers
417 views

Can't boot from HDD on HP NC8000, but booting from HDD via HirensBootCD works ok

I've moved my old 160 GB Samsung harddrive from my old notebook Compaq EVO N1020V to HP NC8000. Now it do not boots. It's mounted in internal bay and BIOS is set to boot from hardrive first. I've got ...