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 to scan and remove MBR viruses?

Once I read that the Windows 7 installation disc could clean an infected MBR. I also found an article that suggested one tool to scan the MBR for viruses. And I also read that one MBR virus could ...
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How to switch between Windows XP on two drives

I've two Caviar Black drives on SATA0 and SATA1, with Windows XP on the former which is the boot (system) drive. I plan to put an Intel X-25M SSD on SATA0, and the Caviar Blacks on SATA1 and SATA2. ...
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How can I put a bootloader on my flash drive so that I have the option to boot Flow OS when it's in?

Currently I have GRUB on my Hard Drive, which gives me the option to boot into Ubuntu, Windows, etc. When I put in my Flow OS flash drive, however, it boots into it without asking, which makes sense. ...
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3answers
210 views

Corrupted the hard drive after planned write of RAMDisk image to SD card went awry

I was trying to write a RAMDisk image to my SD card but unfortunately I wrote the image to my hard disk instead. The size of the RAMDisk image is about 7 MB (approximately 16000+ sectors) and it was ...
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1answer
833 views

Install Windows 7 on a disk containing MBR for another OS while preserving the second OS in place

I have 2 hard disk drives, c:\ (80 gb) and d:\ (300 gb) Current Windows XP installation is on the second disk (D), but MBR is on the first (C) disk. I want to format the C (first) disk and install ...
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1answer
958 views

Editing MBR for flash device

I have a flashing system for a tablet what got an internal SD card to be formatted on every flash. Basically, it writes an MBR file to it, instead of using a partitioning app (fdisk, or anything), and ...
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2answers
2k views

Recreate faulty MBR

I was in the process of reinstalling Windows 7, and somehow the MBR (Master Boot Record) was edited by fault (whilst deleting partitions on the two hard drives using GParted). Now I can't get the ...
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3answers
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Copy the contents of one partition to another partition hardrive

if i write this command in linux "dd if=/dev/sda1 of=/dev/sda2" it will copy the whole /dev/sda1 partition bit by bit to /dev/sda2 ......is there any way in WINDOWS not in linux that i can just only ...
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Fixmbr on attached notebook hard drive - possible?

I have a blue screen on my notebook during boot and can't get to the recovery console. I've removed the hard drive from the notebook and inserted it into another PC. Can I use fixmbr on the hard ...
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1answer
293 views

Modifying MBR entries after implementing Windows 7 image

I have a computer whose hard disk I recently formatted. As soon as I implement a .wim image in the computer using the WindowsPE disc with imagex utility, two entries are shown in the mbr menu: one for ...
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1answer
65 views

Problem when booting debian

I am trying to setup a home server running Debian. I set up the partitions manually using gparted with the drive connected to a usb caddy on another PC, used debbootstrap to get the base file system. ...
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1answer
319 views

Re-installing Windows on MacBook Pro

I have triple boot installed. Everything works smoothly, but Windows is crying for re-install (overfilled registry, too many programs installed). Before MacBook Pro I would typically create another ...
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2answers
1k views

Operating System Not Found - BIOS recognizes, Live OS doesn't (Laptop)

Here's the deal: I have a multi-partitioned hard drive on my laptop set up with GRUB. I got a blue-screen while working on Windows 7 and when rebooting I got the Operating System Not Found error ...
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1answer
887 views

Disk boot failure in Windows 7 64-bit after installing the latest NVIDIA drivers

I successfully installed the newest NVIDIA drivers (275.33) in Windows 7 64-bit and rebooted afterwards just in case. After the reboot, I got an error about missing MBR. I disconnected the slave disk ...
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1answer
82 views

How to restore WindowXP loader within running Windows?

How can i restore WindowXP loader after installation of boot manager(GRUB, LILO,..). I can boot to windows, so it may be restored within windows enviroment.
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2answers
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NTFS partition no longer read on Windows 7

I have a 500 GB external drive that I use with my Windows 7 PC and Snow Leopard laptop. It has the following 4 partitions: 1. Leopard Installer (HFS+) 2. Backup (HFS+) 3. Snow Leopard Installer ...
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3answers
636 views

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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2answers
68 views

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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2answers
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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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0answers
533 views

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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4answers
3k views

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
409 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
355 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
621 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
939 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
575 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
405 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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4answers
870 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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4answers
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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
741 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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2answers
8k views

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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3answers
2k views

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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4k views

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
305 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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3answers
10k views

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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557 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
635 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
765 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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3answers
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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.