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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BSOD, MBR corrupt, tried to fix using Testdisk on Linux dual boot, now nothing works
The short story is I received a BSOD from a Windows program. I then couldn't boot Windows. My system is set up with GRUB to dual boot into CentOS, so I booted into CentOS and attempted to fix the MBR ...
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2k views
How do I fix my MBR?
I have a Windows 7 dvd but when I try all the methods of repair none of them work. My main OS that is currently 'missing' is Windows 8 with Ubuntu dual boot.
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544 views
Should I write the MBR to my SSD?
I'm planning to install a SSD soon, and I want to make sure I get all the boot time benefits. Right now, I have Windows and Ubuntu installed on two separate HDDs. The Windows drive contains the MBR. ...
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260 views
CloneZilla errors when attempting to clone and create partition table proportionally
Carrying on from a question regarding hard drive space on a cloned hard drive, i'm attempting to recover the space using CloneZilla and using the setting -k1, create partition table proportionally. ...
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316 views
How can I duplicate HBCD's XP boot loader with my MBR?
I'm stumped.
I'm migrating a Win XP Lenovo T500 to an SSD:
I copied the XP partition using EaseUS to the SSD.
Aligned the boot sector using Gparted
The MBR needs to be rebuilt (fair enough)
...
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756 views
Error loading operating system WinXP Pro
So im getting the error "Error loading operating system" when the computer tries to boot to a fresh install of WinXP Pro.
To get to this point, I:
Shrunk the only partition with Gparted to 33GB
...
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54 views
Migrating Windows 7 from MBR to EFI without formatting
Based on the experience documented in Migrate from MBR to UEFI with an encrypted system partition
I'm considering the opportunity to migrate Windows 7 from the plain ol' MBR to the new GPT/UEFI boot ...
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42 views
MBR Partition Table not found
Well... I was trying to activate my windows 7, the first program that I used was "MBR Regenerator" that would turn windows back to the trial mode. Ok. The program asked to a restart, and I did it.
...
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124 views
Boot entries removed through easybcd. How do I restore Windows 8 MBR?
Somebody deleted my easybcd boot entries when I wasn't looking! I had a dual boot with ubuntu. I used my live usb and installed boot repair on the demo. After I used it, my ubuntu install was working, ...
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20 views
on a server does master boot record formating of the disk support the dynamic disk type?
If I convert a disk from basic to dynamic is it possible to format it to master boot record (MBR) or is it just possible to format with GPT?
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96 views
What is keeping me on 'Preparing your desktop…' after my Windows 7 parition migration?
Here's the situation:
I had Windows 7 and Ubuntu 12.10 dual booting on one 120gb ssd.
I recently purchased a 240gb ssd and wanted to migrate both of those partitions to this new one.
I used Gparted ...
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155 views
Installing Windows 7 on GPT
I have an HP 566 with installed windows 8. I removed them wanted to install windows 7.
I have problems installing win7.
In BIOS I can choose two boot modes:
1.Legacy boot mode
2.UEFI boot mode
If ...
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1answer
792 views
Converting windows (bootloader) from mbr to gpt/uefi
I have windows 7 installed on a laptop on a small 160 Gb hard drive that has the MBR partition table. Now I would like to move it to a bigger disk, format it with GPT and multi-boot linux (Fedora).
...
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1answer
106 views
Deleted the GPT partition/ record
A friend of mine had GPT partition n his Lenovo laptop. While formatting the computer and reinstalling the OS, I wiped of all the partitions, and created 4 new partitions. Now after installing ...
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245 views
Suspected Corrupted Windows 7 MBR?
So, this may not be the correct place to put up my question, but i'll give it a shot.
I'm having an issue repairing this computer. It was brought to me with the described issue of 'Not turning on'
...
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214 views
Linux: install GRUB on an external drive destined for another machine
I have a hard disk that's failing, so before it dies completely and I have to resort to backups I want to copy everything (OS and all) onto a new disk, and put that back in the machine the failing ...
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1answer
225 views
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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1answer
186 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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119 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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1answer
650 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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1answer
693 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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53 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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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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Possible HDD malfunction. Need help in diagnosing
Today when using my PC as I did for almost 4 years I experienced the following:
during opening new tab in Opera browser screen froze. Music (AIMP 3) continued to play for about 5 minutes and then ...
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454 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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46 views
FreeBSD Install DVD changed pmbr to mbr leaving Mac OS X unbootable
Recently I was experimenting with FreeBSD 7.4 i386 Install DVD on a Mac mini Intel 2006 on whose harddisk Mac OS X 10.5.8 was installed. My aim was to just see contents of the harddisk from the ...
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250 views
What is the use of the [BOOT]/Bootable_NoEmulation.img file on several boot images?
I've seen a file called [BOOT]/Bootable_NoEmulation.img on several boot images, and always wondered what it's use is. Neither found a suitable magic number nor could Google help me so I ask here.
...
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43 views
How to generate an MBR binary?
I am using the Bochs Emulator running on an Android host system. My Android filesystem is mounted as a Bochs "vvfat" partition. Now, the way in which Bochs generates the CHS values for this partition ...
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618 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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4k views
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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92 views
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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539 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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13 views
Solaris Automated install Hard-Drive Windows 7
I got two hard disks, one of 40 GB and another one with 1 TB.
The 40 GB has windows 7 installed on it, taking all the space of this hdd.
The 1 TB disk I got few logical and extended partitions; in ...
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36 views
Installed Win7 for Bootcamp by removing SSD, but 'Missing' OS after reconnecting it
I have a recent-model Mac Mini running Mountain Lion, and I swapped out the primary of it's two 500gb spinny drives with a 256gb SSD.
Then I went to install Bootcamp. when I got to the Windows ...
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55 views
GRUB not loading
I just installed Fedora 18 alongside a pre-existing windows 7 from a live-usb to a single 1TB hard disk with multiple partitions.
created all necessary partitions as recommended:
/ :40GB
/boot ...
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95 views
EasyBCD MBR to USB drive on Mac
I was trying to build this Windows 7 portable version onto my USB drive from a Mac. It requires a lot of intermediate steps, and EasyBCD in some cases.
IFAIK EasyBCD wont install on Mac, so I was ...
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56 views
Windows flags secondary SATA drive bootable - can only boot once with the drive in place
On my GPT/EFI-based new Windows 7 PC, I was trying to install my old PC's MBR-based drive as a secondary SATA1 disk. I've got Windows 7 and Linux Mint dual-booting on the new SATA0, but I still want ...
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92 views
How to fix an intermittently booting hdd on Windows 7
Update:
I've found through a bit more research that the hard drive itself is fine and it's a problem either with the hard drive controller (I hope not) or the BIOS. This person on tomshardware.com ...
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87 views
installing Windows XP AFTER Linux Ubuntu install
Im trying to install Windows XP after Ubuntu install. But I have a blue screen error during windows XP installation process, just before reaching the partition menu.
For any reason, it seems windows ...
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67 views
Windows Vista trashes MBR on dual-boot machine. Can it be stopped? What are the recommendations for recovery?
There are some web pages on this website that address the same topics as mentioned below,
but the specifics are different.
I dual-installed Windows Vista and Debian Squeeze on my laptop a few times ...
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172 views
3 TB HDD won't reactivate
After doing a clean install of Windows 8 my Seagate 3 TB HDD won't reactivate in Disk Management. The two volumes are there but I can't use them for some reason. The drive was previously used with a ...
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466 views
Restore/repair windows 7 bootloader / MBR
This is what I did:
1.Installed Ubuntu 32bit as a dual boot alongside with my Windows7. Everything worked perfect then.
2.Then I figured out that I need Ubuntu 64bit (instead the 32bit), I saw some ...
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205 views
Can the Lenovo Thinkvantage button be disabled to avoid the need for a custom Thinkpad MBR?
I've migrated to an SSD, but no MBR magic I try works to bootup WinXP from my Lenovo T500. The problem seems to be that a Lenovo laptop requires a custom MBR to provide functionality from the ...
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85 views
Will Win7 ImageCreate overwrite the MBR?
Using Win7 64bit.
If i use the Win7 Image Create in the backup/restore app, when i go to re-install the image will it competely overwrite everything, including the MBR???
I want to be able to do ...
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294 views
Win 7 BSOD ( STOP: 0x0000008b ) after changing hard disks
I have two computers, an old one (with Windows 7) and the new one (With Linux). I normally use the old one for playing and the new one for work only. But I wanted to try a game that wouldn't work on ...
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609 views
rEFIt can't sync GPT and MBR after resizing boot camp partition
I've been trying to follow the instructions here to increase the size of my boot camp partition:
...
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682 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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145 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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401 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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1k views
How to fix boot errors in Windows XP
I have installed Windows XP with Windows 7 pre-installed. But after repairing the MBR of windows 7 using the installation cd. And executing these commands:
bootrec/fixmbr
bootrec/fixboot
Then when ...
