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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Recovering damaged external hard disk by installing internally

I had a 1TB Western Digital (My book series) 3.5" USB3. One day, the SATA to USB3 converter board was damaged and has not worked since. I decided to open the cover and use the HDD as an internal ...
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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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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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Accidentally mounted a ReiserFS drive as MBR on my windows box - how do I recover?

I had a WD Netcenter with a 160GB drive that kept dropping off the network. I opened up the enclosure and removed the hard drive, connected to a Windows box without knowing the drive used ReiserFS.... ...
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How to control the PXE boot behaviour from a Windows Deployment Server?

I have recently seen an IT setup where the Windows Clients start in PXE mode, get an IP via DHCP and then boot from the first HDD. Now the admins have the possibility to say remotely next time the ...
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Restoring MBR, partition table, and boot sector of memory card without data loss (“USBC”)

Abstract I have a FAT32 memory card that when inserted into a computer causes Windows to prompt to format it. The card is definitely not supposed to be blank and has a bunch of files on it. Symptoms ...
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MBR status confusion

EB 58 90 6D 6B 64 6F 73 66 73 00 00 02 08 20 00 02 00 00 00 00 F8 00 00 3E 00 83 00 00 00 00 00 94 88 7E 00 98 1F 00 00 00 00 00 00 02 00 00 00 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 ...
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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 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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MBR: How does BIOS decide if a drive is bootable or not?

While trying to answer this question on askubuntu: How do I Uninstall GRUB I read the Wikipedia article on MBR and also the perfect answer on a somewhat related question here on Superuser, however, ...
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How to fix my GPT and MBR (hybrid)?

I was trying to create a triple boot (Ubuntu, OS X and Windows), so I used VirtualBox to install Windows 8 (Consumer Preview) to a real (FAT at the time) partition, so it wouldn't have access to my ...
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226 views

cannot boot from CD, MBR Error with no HDD attached

I'm trying to get an older 32 bit computer up and running. I set BIOS to boot from CD 1st, HDD 2nd. It gets to "Boot from CD" but it never gets to "Press any key to boot from CD". The screen just ...
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4answers
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How do I recover the MBR on a Thinkpad t420?

After a messy Linux upgrade of my dual boot Lenovo T420 I ended up with GRUB replacing my MBR. Everything works fine: I can boot both Linux and Windows; the only thing different from before is that ...
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2answers
739 views

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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1answer
129 views

External Hard Drive prevents windows from starting

I have an external hard drive that I was using for installing windows on my computer, and now it won't let Windows start up. The drivers load (in safe mode) but the blue bar never comes up (in normal ...
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3answers
6k views

LVM volume with corrupt MBR: how to mount and recover data from it?

I am new to LVM and partitioning in general, and so, am in a situation here. The Situation: I accidentally overwrote MBR of a Fedora 16-created LVM disk. Now, everything else on this disk is ...
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Repair Windows 7 MBR with Hiren's Boot CD

I would like to repair my Windows 7 MBR using Hiren's Boot CD 15.1. I want to know the generic method, using this CD, to fix an MBR that is hypothetically "toast". This hypothetical HD is as ...
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753 views

GRUB2 rescue boot into windows

I had got 2 partitions on my harddrive: 1. win7; 2. Ubuntu 11.10; As it can be predicted the GRUB loader was in the second partition and this partition was formated from ext4 to ntfs. Now I get this ...
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267 views

Why does an MBR partition table entry have its starting sector as both CHS and LBA?

In an MBR's partition table section, every partition has the first absolute sector available in both the CHS and LBA formats. It's relatively straightforward to convert between the two. When the ...
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How to fix Truecrypt MBR using Command Prompt or Linux live USB?

I was playing with TrueCrypt and decided to make a fresh installation of Windows 7 from USB stick. Unfortunately Windows 7 installer: "setup was unable to create a new system partition" My entire ...
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535 views

Windows 7 boot information

I have an old IDE drive with windows 7 installed on it. I disconnected that drive, and installed a new windows 7 to a new drive (SSD). I want to extract data from the old drive. However, the problem ...
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OS Missing? Messed up the MBR on Win7 64-bit

I have a Windows 7 machine with two hard drives: a 1TB C: drive and 500GB J:. I had Windows XP installed on C: and Windows 7 installed on J:. I installed Windows 7 after Windows XP from an installer ...
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Computer stuck at “Verifying DMI Pool Data”

I'm trying to troubleshoot this problem, I've had it happen before and I fixed it but nothing seems to be working. My assumption is that since I can boot off the windows recovery disk this is purely ...
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151 views

Realtime Bootloader?

Does there exist a bootloader which can scan your disks for operating systems on startup, rather than requiring manual setting up of the bootloader? This would make it very easy for a layperson to ...
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469 views

Incorrect disk size reported for internal drive after attempting to boot from external drive

I wanted to run something off of my old Windows XP install, so I plugged it in as an external hard drive and attempted to boot from it. The machine blue screened on me. (I now know this is a bad ...
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Recover truecrypt partition without MBR + recovery disk?

I destroyed my mbr and have no truecrypt rescue disk. However, I do know my password and my encryption setup (e.g. hashing functions and ciphers used). This happened after an upgrade to version 7.0a ...
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Getting rid of a GPT signature without touching MBR [duplicate]

Possible Duplicate: GParted errors on MBR Disk, Claims it's GPT. (It's mistaken, but why?) I have a disk that seems to contain both an MBR and a GPT. When trying to access the ...
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242 views

Which drive's MBR does the Windows 7 installer overwrite?

Is it the first drive listed? Or is it the drive the C:\ partition belongs to?
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869 views

Want to remove 2nd disk but MBR needs to be moved. How do I do it?

I have a laptop with two HD, the second one was added later. I had Windows Server 2008 installed on the first disk (0) and thn added the second disk (1). Next I installed Windows 7 on the second disk ...
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3k views

How to manually edit mbr to recover lost partition?

I have accidentally deleted two hfs+ partitions. I know start and end sectors of both of them. These partitions are 100% healthy. I can see them in Raise Data Recovery, but testdisk does not see them. ...
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Migrating Windows 7 to new hard drive/partition

So, I'be managed to migrate my Windows 7 data over from /dev/sdb3 to a new partition on /dev/sdc1 using ntfsclone. I managed to resize the volume size to match the new partition size. I also used ...
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How do I restore Windows 7 Master Boot Disk Record without CD Drive? [duplicate]

Possible Duplicate: Restore Win 7 MBR without Recovery/Install Disc This is how to restore Windows 7 MBR (relies on CD Drive). But I need to do this with a netbook, how do I restore the MBR ...
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Copy just the 64 byte partition table using dd

Given: ===MBR INFO=== MBR SECTOR NAME BYTES code area 440(max. 446) disk signature (optional) 4 Usually nulls; 0x0000 2 Table of primary partitions 64(Four ...
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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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Need to fix Windows MBR without using a CD

I have a laptop which was Linux/Windows 7 dual-boot. I need to get rid of the Linux partition so that it only boots into windows. I know how to do this if I have the Windows 7 CD(which I do). But ...
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Windows 7 not booting, could not restore boot record

After not using Windows 7 for a month (and a few Ubuntu 11.10 updates being applied), I found I'm no longer able to boot from GRUB2 to Windows. I've tried to reinstall GRUB2, and have done some other ...
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Corrupt MBR in RAID-0 setup - Missing Operating System

I have a 2x500GB RAID-0 setup on an Asus M4A785TD-V EVO Motherboard. Recently, I was doing regular cleaning and after assembling up again the PC started normal. But on the next boot, it suddenly gave ...
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374 views

Boot Failed after XP Installation, fixmbr give BSOD

I have installed Windows XP with SP2 on my PC. However, after reboot to complete the installation, I get error message "Disk read error. Press any key to restart". I've try to boot into recovery ...
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1answer
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Half-installed Windows 7, how to restore Windows XP bootloader

I was going to install Windows 7 on my old pc, however I decided against it half way through the installation (just after first reboot) and I cancelled it. Then I worked out that I can press F8 then ...
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Recover data from Dynamic Disk (MBR) bigger than 2TB

Here is the situation: Promise Array FastTrak TX4310 with 3 disks (750 GB each) in RAID5. This comes to around 1500 GB of data. Last week I had the idea of expanding the RAID with an additional 750 ...
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Backing up MBR on laptop disks with recovery partiitions?

Most of the Linux distributions I use allow me to override where GRUB is installed, but I now need to install Ubuntu on some Dell Latitude laptops, and on the test install I did on my old Vaio ...
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How do you read a HEX partition table?

I'd like to know how to read a partition table to find out useful information such has how many partitions are on the drive, the size of the partitions and things like its starting and ending LBA ...
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2answers
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How to recovery Windows 7 MBR with only Lenovo recovery disk (without Windows 7 installation disk)

I have a Lenovo T420 with Windows 7 64-bit Home Premium installed. I only have 4 recovery discs which is made when I got the laptop. There is no original Windows 7 installation disc. Now I messed up ...
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1answer
487 views

Netbook Windows 7 recovery

I have an Asus 1005PE netbook which I installed Ubuntu on as a second partition a while back. Its primary partition is Windows 7 Starter. I've now upgraded to a bigger laptop and am selling this ...
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Changed the drive letter of a non system partition and now the machine won't boot

My girlfriend's Windows 7 netbook had a partition with the letter V. I don't know where it came from no what it is. It contained a couple of files including command.com which is from pre Windows XP I ...
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Restore Windows XP MBR without Windows XP disc

Is there a clone of the windows recovery console for windows xp because I no longer have the disc to restore the MBR. I also need to be able to run this off a flash drive because my dvd reader is ...
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How to see if USB stick has MBR?

I have a USB stick supposed to be bootable, but the computer does not boot it. I suspect that there is no MBR (Master Boot Record). How do I test if this is so, preferably from command line in ...
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423 views

How can I fix the MBR on my hard drive?

I've tried to use fixmbr (from the Windows XP Recovery Console) and pointed it to C:\, but broke it! Now I have: D:\Windows - with no ntldr C:\ - broken inaccessible partition with Grub and ntldr ...
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How to write to both GPT and MBR manually?

I have a big deal here. I have a MacBook with three partitions: HFS partition for Mac OS X 10.6 NTFS partition for Windows 7 64-Bit NTFS partition for my documents It thus works with both GPT and ...
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What are the differences between MBR vs GPT vs any other partition scheme?

Can anyone tell me what the main differences between i.e. MBR vs GPT or any other partition scheme are? Why would one choose one over the other? I am not an expert but from new release of Mac OS X ...