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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Reinstalling GRUB on Linux netbook

I have a distribution called Easy Peasy on my netbook, it's Ubuntu-based. Today when I started it up it told me 'grub corrupt'. On subsequent start-ups it displays 'unknown filesystem.' I'm given a ...
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How to fix possibly wiped MBR after centOS install?

I think I have messed this one up royally... I have done a clean install of centOS 5.6 (x86_64) on my system. I got through the installation process successfully and rebooted. Now I am greeted with a ...
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is it possible to swap the hdd of a device and boot as normal

This might be a silly/ simple question but I wasn't sure of my knowledge on the matter so I wanted to ask people with (hopefully) better understanding :) Consider the following situation: you have a ...
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How to fix hal.dll is missing error in a dual boot system?

I have both windows 7 and xp installed. If there was only xp, I would go ahead and boot up the xp installation disc and re install the hal.dll file from the recovery console. Problem is I have also ...
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Plugged an NTFS drive into a Mac and ruined the partition table/MBR?

I recently plugged an NTFS hard drive which I believed to be functional into a Mac Mini via a SATA-to-USB adapter. The Mac did not appear to read the drive, and after waiting a while and giving up, I ...
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How do I restore my Master Boot Record?

I have installed Autocad 2011 trial on my system and then I found out that Autocad Changes the MBR. (see here) Now I want to restore my MBR to before last time of installing autocad 2011 trial (in ...
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1answer
231 views

Will reformatting second drive affect my bootloader?

I currently dual boot Windows 7 and XP. I know XP was installed first, and then at some point, I added a hard drive with Windows 7. I used EasyBCD from Windows 7 to setup the bootloader. Now, I would ...
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Booting into Ubuntu and then adding Ubuntu to Windows boot loader

I installed W7 Pro x64 and then I installed Ubuntu 10.04. During the Ubuntu install, I decided NOT to allow GRUB 2 to be the boot loader for both Ubuntu and Windows. I followed the advice of a ...
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1answer
121 views

when disk partitioning in ubuntu, wrong informations were detected

when i check disk partition in ubuntu 9.04 using #fdisk -l my friend show me like this. i have 4 hard disks, but he didn't.. but only 3. Was there anything wrong? when i installed linux and maked ...
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1answer
407 views

How can I simplify my boot-loader-chain into a single menu? (ubuntu windows)

I've installed Windows XP Proffesional, Windows 7 and Ubuntu 9.10. On every boot my system nags me with 2 menu´s. Ubuntu Grub2 Bootloader (Ubuntu or Windows 7) Windows 7 Bootloader (Windows 7 or ...
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3answers
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Unable to boot from LiveCD/USB and even Super Grub Disk!

Basically this morning, I decided to format my Win7 as it was getting really slow and I did so with no problems. I also have a Linux Mint OS on dual boot. Since I was springcleaning my windows ...
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1answer
344 views

Can Windows boot manager remember the last booted OS as default?

Recently, I setup my Win7 notebook vhd dual-boot. (Copied old Win7 32bit into a vhd disk, repartition and installed new 64bit Win7 into another vhd as new primary system.) How can I configure bcd to ...
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1answer
606 views

Master Boot Record

I'm trying to understand what an MBR is. I know it is used to boot the device, like a compact flash card. If you had five 1GB CF card from SanDisk for a camera, would there be any reason for the ...
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2answers
913 views

Cannot restore MBR in Windows 7

I successfully installed windows xp on top of windows 7. My problem now is to boot Windows 7. I used the installation cd to repair the mbr. I used both the command-line and the gui to fix the mbr. ...
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0answers
572 views

macbook rEFIt dual boot mbr issue

I have ubuntu and osx installed on my macbook. It was working fine up until recently. Now, when I boot I have a 20 second period where it makes the mac boot noise and then proceeds to show a grey ...
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2answers
3k views

Moving the Windows 7 MBR

I put a clean copy of Windows 7 on my Slave HDD but now I want to remove my primary. The issue, as I understand it, is that the MBR is on the primary and when I take it out I therefore can't boot. To ...
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What needs updating when moving a bootable Windows 7 (or Vista) partition?

When I move a bootable NTFS partition with Windows on it to a different block offset, what needs updating to make it bootable again? Background: I plan to write a program that performs the necessary ...
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1answer
2k views

Tool for checking boot sector / MBR?

I'm currently trying to recover a friends ATA100 hard drive, that suddenly started giving an 'ntldr not found' error. I've got it hooked up to a ATA->USB converter, and can read the contents. Can ...
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1answer
68 views

multiple problems--windows 7 mbr, others

After buying a new laptop(XPS L501X) with windows 7 preinstalled, I decided to make it dual boot with windows Vista. I now know about the issue with installing previous versions of windows, and the ...
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1answer
403 views

Disk Boot Failure. Mbr Problem?

Hi My hard disk is 80 gb ide.When i use the hard disk as the data storage only it shows full 80 gb, and am able to store data properly,except for the pc slows down a bit when this particular hard disk ...
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845 views

problem with easy bcd

I tried to launch easy bcd to manage my mbr. But there's a problem. It said: Easy BCD has detected that your BCD boot data and MBR are either not from the latest version of windows vista, or don't ...
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1answer
3k views

More than 4 primary partitions on MacBook with rEFIt (GPT/MBR syncing)?

I currently have a triple-boot on my MacBook (OS X 10.6.5, Windows 7, Ubuntu 10.10) which works very well. I'd like to now make an ExFAT storage partition that would be shared amongst the three OS's, ...
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Need HP recovery partition info

I'm configuring a new HP Pavillion DV4 with a 320 GB disk. I made the recovery DVDs, then did a couple other things (including deleting the recovery partition), and finally decided to restore the ...
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2answers
736 views

bootmgr missing after restoring with sysresccd

I backed up my laptop months ago. Today i repartition the drive and used sysresccd with partimage to restore the HDD. I got a success msg after restoring however when booting i get a bootmgr missing ...
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2TB external drive, disk initialization: MBR or GPT

I just bought a new 2TB disk drive I plan to use as an external drive (connected via eSATA). When I started my computer it recognized the drive fine, but when I got into the Disk Management, a popup ...
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Grub2 MBR vs. Windows MBR

I have an HP system that came with Vista installed and also a hidden restore partition. I subsequently upgraded to Win7(32 bit) Ultimate, and from there to Win7 Pro. Now the hard drive is failing. ...
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Removing a rootkit from the MBR.. without formatting?

I have run hitman pro and found 'traces of the TDL3 Alureon' rootkit on the computer. However, running TDSSKiller would of solved this issue - but - apparently the symptoms keep coming back so I ...
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2answers
291 views

Manually install an operating system?

So, I built a new computer and...I don't actually have a CD drive. I managed to get Windows 7 installed, but I don't have the tools anymore (external CD drive that I borrowed from a friend). In order ...
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Fixing windows MBR without Vista Recovery CD

I had Windows Vista + Ubuntu running on my system. I deleted the ubuntu partitions from Windows. However, when I start the system, GRUB throws up an Error 22 (missing partition) and does not let me ...
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525 views

Master Boot Record failure

We have failures at work on our compact flash drives where the MBR gets corrupted (zeroes written to its Sector 0). The CF cards are industrial grade, but are subject to high vibration/stress ...
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2answers
604 views

I broke my MBR/Windows doesnt let me reformat!

I was trying to solve this and i used partimage to restore the MBR from a file. It completely wrecked my partitions. I now have 3, a 100mb, a large one and a 9mb. Windows XP complained and Windows 7 ...
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1answer
759 views

Windows 7 destroys my GRUB2 on every boot

I have a dual boot setup with Ubuntu and Windows 7, I generally use Ubuntu but some times start Windows 7. Every time I have used Windows 7 my GRUB2 installation brakes and as soon as GRUB2 is ...
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Formatted C: from Windows 7 setup, now it won't even install

Help, I'm so confused. I did more or less what's been described here: I formatted Vista and installed Windows 7 over it. Problem is that I'm now unable to boot I'm installing Windows 7 on ...
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Why is Windows 7 not listed in “Start-up and Recovery” Options

Today when I went into Control Panel -> System and Security -> System -> Advanced System Settings -> Start-up & Recovery Settings I saw that under "Default Operating System" there is nothing ...
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1answer
217 views

How do I make a boot loader load the existing boot loader from the first partition

I installed ubuntu using wubi and then I tried installing grub 2 but it failed. I need a way to reinstall the mbr sp it will load the windows 7 loader from the first partition.
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Windows 7 Keeps Changing the MBR on boot (grub2)

I installed Ubuntu in my new notebook. It originally comes with Windows 7 installed on it. Everything works nice however every time i boot into Windows7 the grub menu doesn't work any more. i can't ...
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6answers
203 views

Multiple OS on a single machine

I have a new harddrive. I want to install XP, Vista and Windows 7 on it Is it possible and what should be the order. I have heard there is some MBR rewriting issue? Any 'simple' article/tutorials ...
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704 views

Disk Error on Boot (Possible boot sector issue)

I own a 4-5 year old Dell Dimension E510 with Windows XP: Media Center Edition. I have 2 drives installed: C Drive: Windows XP: Media Center Edition G Drive: 2 partitions: Windows 7 (beta) Windows ...
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1k views

Does EASEUS Partition Master copy the MBR when it copies partitions?

When I copy the partition to another partition using EASEUS Partition Master, does the Master Boot Record (MBR) get copied too? I need to boot from that copied partition so need to know if the MBR ...
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1answer
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New SSD, is the MBR broken? DISK BOOT FAILURE

I've been running Windows 7 on a WD 500gb SATA single drive, single partition setup for some time with no issues. I've just installed a new Kingston V Series 64gb SSD and performed a clean install ...
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“Reboot and select proper boot device”?

I didn't find the answer in Clonezilla's site/mailing list archives. Maybe someone has already seen this issue and knows how to recover from it: On a test host, using www.partedmagic.com, I created ...
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How do boot sectors and multiple drives works?

I don't fully understand the concept of a boot sector, I was hoping someone could clear this up for me. If you have two hard drives, with an OS installed on each, does each drive have its own boot ...
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1k views

sfdisk restore partition table if two hardisk have different sizes

What will happen if i try to restore the partition table of a larger hard disk to smaller hard disk, for example: partition table of 250GB hard disk to a 80GB hard disk using sfdisk like this. ...
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2answers
767 views

Windows 7 Keeps Changing the MBR on boot

I am having an issue with Windows 7 changing the boot order everytime I start up. I have 4 partitions: boot linux windows. Grub is installed on the boot, and boots up both operating systems fine, ...
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1answer
145 views

Match Hard Disk Partition Table?

What is the most efficient way to match the partition tables on two different hard disks? I have saved the partition tables using dd command in linux. The partition tables are from a Windows system. ...
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2answers
92 views

Upgrading Win 7 beta to final - will old MBR survive?

I want to upgrade Win 7 beta to newly bought final version (Home Premium). I also have 'Boot from old windows' choice with XP SP3. The question is, is it safe to upgrade/install Win7? Will it ...
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251 views

Can I use any Windows installer for restoring MBR?

Can I use Windows 7 boot DVD or Windows XP CD to restore bootmgr under Vista? I don't have any DVD for Vista and it cannot be started. Or is there other way to fix it? Also would it matter if it's Win ...
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Repair windows bootmanager from within windows

How would I repair the mbr from within windows? I installed Ubuntu onto a second partition. I want to delete said partition as my need for a linux distro has now passed. Once I delete that partition ...
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732 views

How can I reorganize a partition table without deleting the partitions?

I have a partition layout like this: ext: linux root linux swap pri: windows pri: storage pri: storage I'd like to change this layout to: pri: linux root pri: linux swap pri: ...
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Remove Master Boot Code but leave Partition Table?

For testing purposes, I need to fidget with the MBR on a Windows7 test host: I'd like to remove the Master Boot Code but leave the Partition Table within. Does the following Linux command do this, or ...