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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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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113 views

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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118 views

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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1answer
4k views

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
209 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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2answers
1k views

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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89 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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2answers
8k views

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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0answers
116 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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1answer
6k views

Converting windows (bootloader) from mbr to gpt/uefi

I have windows 7 installed on a laptop on a small 160 Gb hard drive that has the MBR partition table. Now I would like to move it to a bigger disk, format it with GPT and multi-boot linux (Fedora). ...
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3answers
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Win8x64, after format/upgrade from Win7x86, “GPT Protective Partition” on secondary drive

I backed up all important data prior to formatting the C: drive, but I cannot read the backup drive after reinstalling Windows. More details provided after the screenshots. Additionally As you ...
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3answers
1k views

Boot of Windows 7 from GPT disk on non EFI motherboard [duplicate]

Looks like the answer is no but just to double check... Can I boot Windows 7 SP1 x64 from GPT disk (converted with Windows DISKPART) if my system built on BIOS (non EFI motherboard, ASUS P5WDH ...
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22 views

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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2answers
222 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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2answers
151 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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2answers
3k views

Can xcopy make a bootable copy (clone) of Windows?

Following on from my discussion with @JustinD in the comments here, is it technically possible to simply xcopy the contents of a Windows partition to a partition freshly created and formatted on a new ...
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1answer
833 views

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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1answer
60 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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2answers
5k views

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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2answers
1k 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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1answer
478 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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1answer
249 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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3answers
4k views

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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2answers
1k views

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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3answers
7k views

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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2answers
927 views

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
17k views

How can I convert a MBR partition to GPT without loss of data?

I partitioned my volume as MBR and was able to install Windows 7 + Mac OS X. Unfortunately, Disk Utility in Mac OS X cannot resize the Mac partition now because it's not a GPT volume. I also cannot ...
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2answers
1k views

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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289 views

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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2answers
158 views

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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2answers
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windows can't startup error 0x490

My workstation has run into a windows startup problem and I would really appreciate any sort of help. 1.When i start windows it goes till the splash screen and then I see the blue screen for a ...
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1answer
589 views

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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440 views

Can the Lenovo Thinkvantage button be disabled to avoid the need for a custom Thinkpad MBR?

I've migrated to an SSD, but no MBR magic I try works to bootup WinXP from my Lenovo T500. The problem seems to be that a Lenovo laptop requires a custom MBR to provide functionality from the ...
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1answer
403 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
459 views

How can I duplicate HBCD's XP boot loader with my MBR?

I'm stumped. I'm migrating a Win XP Lenovo T500 to an SSD: I copied the XP partition using EaseUS to the SSD. Aligned the boot sector using Gparted The MBR needs to be rebuilt (fair enough) ...
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1answer
5k views

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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3answers
2k views

Use `dd` linux program to save / recover a disk's MBR

I have an Ubuntu OS installed on my laptop. I want to install Windows 7 as well to another disk partition (I will do it by recovering it from a special partition on my laptop). After installing ...
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3answers
5k views

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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1answer
459 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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1answer
160 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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0answers
108 views

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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1answer
438 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
3k views

Error loading operating system WinXP Pro

So im getting the error "Error loading operating system" when the computer tries to boot to a fresh install of WinXP Pro. To get to this point, I: Shrunk the only partition with Gparted to 33GB ...
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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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1answer
1k views

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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2answers
5k views

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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2answers
636 views

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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2answers
5k views

Windows (using UEFI boot on GPT disk) will no longer boot after adding an MBR hard disk

I have recently installed Windows 7 64 bit on a new SSD using UEFI boot and GPT. The system worked fine. After adding my old system HD to the system (that uses MBR), Windows will no longer boot ...
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1answer
250 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 ...