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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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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1answer
4k views

How to install Windows 8 boot manager in a different partition?

The last time I installed Windows 7, the boot manager automatically got installed in a small hidden partition, and the main os into another partition. So, formatting the C: won't affect the boot ...
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Can I make my drives visible and change their partition type without losing my data?

I have made a lot of mistakes and now I cannot see my hard disk nor I can start my operating system on my laptop. All my passwords and important files on my hdd without any backup. I followed this ...
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229 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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2answers
713 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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2answers
151 views

Make GRUB2 work installing Linux over OEM Win7

I bought an Acer laptop with Win7, and installed Linux Xubuntu as second OS. It says the GRUB was installed as well, but at the boot it keeps loading only windows. No grub screen at all. What to do? ...
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1answer
494 views

MacBook Pro 8,1 triple boot, rEFIt not showing, Mac only boots on windows

I'm new to Mac multi booting. I've just installed a triple boot (OS X Mountain Lion + Ubuntu 12.04 + Windows 7 Ultimate) on my MacBook Pro 8,1. Everything went more or less right. I had the rEFIt ...
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344 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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1answer
432 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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1answer
348 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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1answer
1k views

Use `dd` linux program to save / recover a disk's MBR

I have an Ubuntu OS installed on my laptop. I want to install Windows 7 as well to another disk partition (I will do it by recovering it from a special partition on my laptop). After installing ...
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361 views

Remove or Disable MBR from old C:\ Drive

Using a USB to Sata connection from an old XP box, is it possible to remove/disable the MBR\boot sector on a drive pulled from a Win7 box? C: - I can see the drive and folders and such on my XP box, ...
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1answer
153 views

How do I edit the partition boot record?

I have a computer with 2 partitions, and I wanted to have Ubuntu on one partition (of 200GB) and Windows on the other(of 800GB), so I began installing windows on the 200GB one (by accident) I then ...
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3answers
59 views

Dual booting Windows 2k3 Server and Linux MBR

I have Windows Server 2003 and Linux installed on one hard drive [on separate partitions]. My first partition is the linux boot partition, and maintains Grub. When I boot the Windows partition and ...
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0answers
104 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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1answer
369 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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3answers
188 views

two xp windows on same machine

When the computer start, it displays me two XP versions to choose from. One XP windows is the new installed windows OS on drive C and the other was on drive F , but it's content was formatted. How ...
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117 views

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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2answers
4k views

How can I fix the MBR after cloning a Windows XP installation?

I have a dual boot system on a 320GB HDD that contains 3 partitions. The first partition contains a Windows XP installation for tests, the second partition holds another XP install for daily use. The ...
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1answer
911 views

How to easily remove Win7 MBR? (I always boot TrueCrypt loader from a CD-R)

To mitigate damage from a virus infecting a Windows 7 MBR I boot into TrueCrypt encrypted windows from a CD (changed BIOS to boot CD first). I plan to boot other Operating Systems from external hard ...
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2answers
585 views

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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1answer
245 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
165 views

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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2answers
4k views

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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280 views

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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2answers
1k views

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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1answer
3k views

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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1answer
210 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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2answers
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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1answer
243 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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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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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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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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1answer
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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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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2answers
3k views

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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745 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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526 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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3answers
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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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3answers
249 views

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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2answers
453 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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1answer
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 ...