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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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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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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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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GRUB in MBR or Partition?

where should i install GRUB? MBR or Partition Boot Sector? What are the advantages and disadvantages of each approach? Also, if we install the GRUB in the Partition Boot Sector then how the boot ...
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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 ...
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Computer will not boot up under any mode

It started yesterday when my computer randomly shut down (very quickly). I had not installed anything, and the computer didn't overheat, I was just watching videos. When I started it back up, it was ...
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How to fix the MBR without overwriting HD and without Recovery CD

My Drives [c:/, HP_Tools (E:/) and Recovery (D:/)] have all turned into simple volumes due from trying to delete space from c:// and creating another partition to backup my files, so I can recover my ...
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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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SSD missing boot record

I just bought an OCZ 120gb Agility 3 SSD for my Dell XPS 15 (L501X). I installed a fresh copy of Windows 7 Professional and had no issues for about a day or two. After doing some Windows updates, ...
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202 views

BSODs while unattended and MBR issues

This is a slightly long preface: I just bought an OCZ 120gb Agility 3 SSD for my Dell XPS 15 (L501X). Installed a fresh copy of Windows 7 Professional, had no issues for about a day or 2. After ...
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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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Would a 7z archive and a copy of the MBR be a complete disk backup?

Consider a disk with a single NTFS C: partition and Windows installed on it. If I were to make a 7z archive of the partition, and grab the MBR via some tool (then store it in a file), would this be a ...
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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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3k views

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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235 views

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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591 views

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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103 views

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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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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840 views

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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221 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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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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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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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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732 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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Getting only grub prompt after installing dual boot Windows 7 then Ubuntu and EasyBCD

I'm having an annoying problem. I installed Windows 7 a long time ago, yesterday I installed Ubuntu 10.04. After installing the Ubuntu, it was working great (I got the grub boot menu and everything) ...
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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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Data recovery needed with a Sector Zero problem on a HDD

I left my computer (running XP) copying files to an external drive. After returning a few hours later, the laptop was pretty hot and had frozen. I forced a reboot, and the laptop HDD hasn't worked ...
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Is it possible to have more than one MBR in a system?

To my understanding, an MBR on a single device (i.e. hard drive) outlines the primary partitions on that device as well as provides code that can be injected into it that points to the boot loader for ...
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430 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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147 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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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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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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240 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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841 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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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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MBR seems to be gone

So, horror story for everyone. I bought two spanking new HDD's. MM!! Gbitage. I removed all my old HDD's, physically labelled them, and was preparing to install all new HDD's (fresh sys install ...
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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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365 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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397 views

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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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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Will a Windows 7 recovery CD repair an XP MBR?

Will a Windows 7 recovery CD repair a Windows XP MBR? Can I run fdisk /mbr or chkdsk on an XP install from a Windows 7 recovery CD? As far as I know Vista changed the boot scheme.
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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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472 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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218 views

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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How do I install GRUB to a USB drive using Windows Vista?

I'm trying to build my recovery usb key drive. I'd like to use GRUB as my bootloader. How do I install GRUB to my usb's MBR? Lots of examples out there seem to expect I'm running Linux.