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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Windows installation disk MBR error

I need to install windows on a laptop which has no OS. When selecting the partition of Hard disk to install... Gives me such an error:"Windows cannot be installed to this disk. the selected disk has ...
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Safe to blank MBR of a disk after adding it to an RAID1 array with mdadm?

I created a RAID1 array of two disks, /dev/sda and /dev/sdb, using mdadm. After several booting problems related to the BIOS and SATA/RAID controller of the board, I accidently created some new ...
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63 views

Windows System partition in a HD different from where BIOS boots

This is a problem I solved some time ago with the bootmgr command without pain and without losing my BCDs, but the way it was working before intrigues me. I have a SSD disk and a normal SATA disk. I ...
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364 views

How do I boot into UEFI without going through Windows on my laptop?

So I installed Ubuntu on my Windows 8 laptop in a dual-boot configuration for some time, and tonight, I decided I would uninstall Ubuntu. Well, I've managed to lock myself out of Windows and I'm stuck ...
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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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898 views

Initializing external 1TB hard disk with MBR option

I have an 1TB WD my passport hard disk(HD). I connected that HD to my laptop this morning and it didn't show in My Computer. After trying for several times, I went to disk management, and as soon as ...
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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.
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Triple-Boot + 4 partition Limit

I just bought a new hard drive so that I could convert my XP-only machine into an XP-Ubuntu-Windows 7 triple boot machine. Since the drive is absurdly huge (1 TB) I wouldn't mind throwing ReactOS ...
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Moving MBR on old HDD to new SSD

After running into some problems tonight (that I was able to fix), I discovered that during the Windows 8 installation, the MBR was placed on my HDD (running Windows 7) that was in the system at the ...
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438 views

Can I still use a GPT secondary hard drive if I converted it to MBR

I'm owner of an MSI GT60 laptop with preinstalled Windows 8. The W8 OS is installed on an 128GB SSD (C:) GPT format. There is a secondary 600GB DATA hard drive (D:) GPT format. My goal is to install ...
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I Initialized my HDD to MBR? Can I recover the data ? (Note.. I just intialized, nothing else.) [duplicate]

I had an HDD in my Laptop. I connected that HDD to some other laptop via USBtoSATA bridge and it dint show in My Computer. After trying for several times, I went to disk management, and as soon as it ...
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How do I fix my MBR when windows 7 system recovery shows no drive

I accidentally pulled the power plug when my system was starting up, and I started to get a boot error after POST. Something like "something not found, insert a bootable disk and press enter" So I ...
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298 views

Debian grub bootloader can't find windows 7

I have been using Windows 7 for quite a while on my machine in the following configuration. I have three hard drives, all different sizes, with Windows being installed on the largest. This is also the ...
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3answers
9k 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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206 views

Recover 2.7TB partition converted from GPT to MBR

I have a 3TB disk which had a 128MB Microsoft basic data partition at the beginning, and the rest was a large ~2.7TB ntfs partition. I recently converted this disk from GPT to MBR, and the second ...
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2k views

How to partition hard drive from MBR to GPT for Windows 8.1 UEFI install

I just bought a new HP notebook (ProBook 450 G0) and it came preinstalled with Suse 11 Enterprise. Now this is the first time I've owned a system with an (U)EFI and I don't know how things work on ...
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windows 7 not booting after ubuntu partition deletion

I had on my laptop windows 7 and ubuntu server 9.10 (the partition with windows 7 was automatically selected at boot time). Today I wanted to install ubuntu 10.4, and for that I deleted the 9.10 ...
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620 views

How do I get my system to find a “buried” MBR?

Following a botched Linux install, my Windows 7 install can't find my MBR normally. It's in there -- somewhere -- and I CAN access it if I use F12 during boot to access the mobo boot options: Note ...
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324 views

Installing Ubuntu 12.04 x64 in MBR

I wanted to install Ubuntu 12.04 side by side with Windows 8.1 in my SSD. Windows is already installed in MBR, even though I have a UEFI machine. And so I used the legacy Bios. I have confirmed that ...
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41 views

My disk at half size after formatting

I'm a long time linux user, I'm also a Windows user, after formatting my brand new USB dongle I get ~30Gb from the partition table available to create a new partition where the nominal capacity of the ...
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474 views

How can one Windows 7 corrupt second one on different SSD?

Words of true desperation: Several days ago, my system SSD broke, so I send it for RMA. I was in last step of making my bachelor thesis, so I had to be up and running. I used my second, older 60GB ...
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Is it possible to recover data after disk' gpt to mbr conversion?

I tried to install windows that requires mbr system to a gpt system. I converted gpt to mbr using diskpart utility. After it all my logical disks disappeared and only one (with total amount of space) ...
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5k views

Kali Linux & Windows 7 : Switching Grub to MBR

I'm trying to install Kali Linux (i386) alongside Windows 7 (x64). I have prepared suitable free disk space and placed Kali there. The last thing done by installation was to prepare GRUB. whole kali ...
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Need help fixing MBR on 2K3/Vista multiboot Dell 620

Such a long story and pain in the butt... My customer has asked me to load 7 windows vista clients and 4 windows server 2K3 machines bare metal(because apparently VM's aren't good enough) on a Dell ...
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How to uninstall GRUB and get windows 7 bootloader back?

I have windows 7 home premium currently installed and I have just recently installed Linux Mint and it has replaced my MBR with GRUB. Is there any way I can restore the normal Windows 7 Boot Loader ...
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51 views

Creating an additional partition on MBR partitioned drive with data on it

I have an external 500GB HDD which already has data on it, there is currently one partition on the drive but I need to create a new one on this drive with at least 10GB of space. I've already used ...
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49 views

Move partitions on disk

In order to install btrfs on my computer, I need a 1mb+ space before the first partition. The First Partition is the boot partition which starts at sector 63, the second partition is the dell recovery ...
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737 views

System Repair unavailable after moving Windows partition

After discovering that my System Reserved partition was much smaller than Microsoft recommends, I decided to use GParted to extend it with some of the unallocated space. Unfortunately, there was no ...
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107 views

Windows XP bootloader issues

How to repair bootloader I was looking through this post and feel like this is the process I need to be following. I'm working with Windows XP and need to rebuild the "BOOT.INI" after deleting it. ...
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4k views

Cloning Windows 7 installation from MBR to GPT drive and make it bootable

I've seen threads on similar topics - such as this one - but the answers never seem to solve how to make it bootable. I have Win 7 64-bit on a PC installed on a 2tb MBR volume. The motherboard is ...
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Changing MBR code

I have read that during the booting process in linux, BIOS loads MBR from the first sector of the bootable device. Now, if I change the code of size 446 Bytes in the first sector of the bootable ...
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Norton Ghost usage, Linux? ISO? Server? MBR?

Before evaluating Symantec/Norton Ghost to image partitions, I have a couple of questions about using this tool: In the product page, it only mentions Windows: Can Norton image Linux partitions as ...
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Trying windows 7 dual boot on a windows 8 machine

I have a ThinkPad (T530) with Windows 8.1 with one HDD and this is what I have done to achieve dual boot with Windows 7 on this machine - On my main and only hard disk I created a new volume (...
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How to change address of Master Boot Record

Can we change the location ( Starting and Ending address ) of Master Boot Record of a bootable device ? Doing so is operating system dependent or not ? If we can change the location of Master Boot ...
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2k views

Make 3TB hard drive appear as two (2TiB+750GiB) with MBR

Some manufacturers of external hard drives with capacity exceeding MBR partition capacity seem to sell them pre-partitioned to a 2TiB partition and one with the remaining capacity. Tools are ...
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Why does 32 bit reference sectors and not bytes for MBR hard disks?

Trying to educate myself on hard disk architecture and I am trying to wrap my head around the concept of the 2TB limitation for MBR. The question that arose is why 2^32 related to sectors and not bits?...
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464 views

MBR bootsector that boots the active partition

I have the burg bootloader currently installed on my mbr (+ the following sectors), and I would like to install it on the boot partition, and replace the mbr with a simple one that will boot the ...
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433 views

How to convert MBR with extended partition to GPT?

I have a disk with extended partition, and are all used. Now, I want to convert this disk to GPT. But GPT does not support extended partition. I wonder if it would be possible? Or maybe the extended ...
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522 views

What are GPT Protective volumes on Windows 8 and can they be recovered?

I have seen a few GPT Protective volumes now with Windows 8.x. These are default configurations where the users are very "un-savvy" and so they did not enable anything as far as additional security ...
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Data recovery on bitlocker drives? [duplicate]

I have a Windows 8 drive that had the GPT Protective partition converted to MBR in an attempt to read it on another system. The user then did not see the drive yet still and converted it back to GPT. ...
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673 views

How to reset MBR partition table macbook pro?

I used refind/refit's bootsync utility to update my macbook pro's mbr partition tables as a part of a triple booting process. Now I want to replace the operating system installed on one of the ...
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59 views

Windows XP MBR as a file [closed]

I would like to start a Windows XP installation in a VirtualBox VM from a physical partition. For this I need the Windows XP MBR as a file. Can anybody read this out and upload it for me? If somebody ...
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6k 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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2k views

UEFI with MBR partition table?

i want to convert current GPT partition table to MBR. But my laptop has UEFI, so is it safe UEFI with MBR partition table? or maybe i am misunderstanding about UEFI/GPT things?
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what is difference between gpt partition and mbr partition and where structure differs?

Where GPT table using and MBR partition table using. Windows 8 installing and booting in UEFI mode so it is supporting GPT partition style so we can create 128 primary partitions using windows8? can ...
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204 views

Restore hard disk signature

I have put my desktop hard drive into another machine. To make it usable I had to go to Device Manager and click Online. When I put my hard drive back into the old PC, I am not able to boot the ...
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893 views

How to save Lenovo Ideapad Flexbook with a 1234F command prompt and boot issues

I got a little bit overzealous when trying to make my Windows 8.1 Ideapad dual boot Linux and now I'm afraid I'm about to lose 2 whole OS's worth of mission-critical data. Here's what happened: I ...
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3TB Hard drive stops reading/locks up after a few minutes of use

This has been driving me a little batty lately as i dont understand enough to fix the problem. My HTPC (Windows 7Pro 32bit) currently has two USB HDD plugged in under separate ports. The 2TB is a ...
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104 views

Restore MBR to another Disk

My system had Windows and CrunchBang installed. It used GRUB over the Windows boot manager. I now deleted the CrunchBang partitions and want to restore the Windows boot manager. When I insert the ...
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176 views

microsoft boot manager replaced by grub2?

I was running my pc with Win 8.1. I was thinking about trying linux for a long time so I decided to give it a try. I tried to install it several times but I was never able to boot to it, all I could ...