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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how can i install windows 7 parallel to 10?

so i wanted to upgrade my laptop windows from 7 (which it came with) to 8.1, i couldn't do that because the HDD was in MBR format so i had to change it to GPT and so i did, now i'm on windows 10 i ...
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Installing Windows 10 “Windows can't be installed on MBR. Convert to GPT”

Alright, it's a long story. I was on Windows 7, with 4 partitions. I decided to do a complete clean up and upgrade to Windows 10. So, while doing that, I selected the option, (I don't remember it ...
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Add boot entry to MBR for USB — Non Specific to OS - Use EasyBcd Ireboot to reboot to USB

So I am toying with installing Grub and editing Grub configs from Windows to get the same end goal, but it would be easier/better to use Microsoft products since I am not dual booting Linux. The end ...
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external hard drive rescue mbr to gpt to mbr

good day all I am a slightly losing my mind at the moment. I recently bought a flashdrive for backup livecd/rescue purposes,but I am a day to late. I have an external hard drive, 2TB Seagate - file ...
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How to make recovered windows partitions bootable?

I have the following situation: I have a "backup" of a failed/non more existend disk which has an exact copy of all its partitions but the difference that it has no bootloader or what so ever and it ...
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181 views

How to remove 'ubuntu' option from os selection menu?

I recently installed Ubuntu 15.04 on my Dell Vostro 15 3546. Its has Windows 8.1 installed. I divided the 500 GB HDD in to 2 and installed Ubuntu in one partition. Due to some error in installation I ...
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Windows cannot be installed on this disk. The selected disk has an MBR partition table. On EFI systems , Windows can only be installed to GPT disks [duplicate]

I want to format c drive and reinstall windows 8. previously I've installed windows 8 and ubuntu together in same C drive in separate partitions.previously I've configured ubuntu grub to select which ...
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423 views

Freeware MBR to GPT conversion in Windows without data loss [duplicate]

I recently had to rehouse an 8 TB drive due to damage to the micro B socket. It has only ever been one partition. Windows 8 and Windows 10 incorrectly identify it as being split into 3 partitions. One ...
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27 views

Install Windows after Linux [duplicate]

At first i installed Linux mint on my hard drive. This disk is splitted up into two partitions. After i installed linux i formatted the 2nd partition and deleted and created it new. It's the /dev/sda3....
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220 views

How to reformat a hard disk that was previously in a RAID configuration?

I have 2 internal Seagate SATA hard disks that were, at evidence as far as I can judge, mounted in a RAID configuration. These disk have been given to me and were used on another computer. The 2 disks ...
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195 views

difference between MBR and disk label

Is MBR/partition table = disk label ? I read about about the description of disk label as The first sector of a disk that contains disk geometry and partition information. http://docs.oracle....
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66 views

How to get MBR Wizard 3.0 to work?

I've downloaded the program files. Am trying to get MBR Wizard's 3.0 CLI version to run from the command line and attempt fixing my corrupt MBR issue. I'm running Windows 7 as admin, keep typing the ...
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134 views

Is there a copy of the main MBR and MFT on a drive?

I'm talking about something like a backup copy located on a drive, in addition to the main. If there is, how would I be able to retrieve it and write the backup back to the main partition?
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How to restore a copy of an MBR back to the original HDD with Windows 7?

This topic is related to my questions 1 and 2, however as I've entered yet another phase of this complex issue, I must ask another standalone question: How can we copy back an MBR to an HDD with ...
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2answers
958 views

Windows 8.1 in legacy mode(MBR partitions) how to install windows 10 in UEFI mode(gpt partitions)?

I have a laptop with windows 8.1 installed. My laptop supports UEFI but when i installed win 8.1 i converted GPT partitions to MBR and then installed win 8.1 as legacy(my bad, a long story). But now ...
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1answer
55 views

Hibernating made my computer unbootable

For some reason hibernation was not enabled on my Windows 7 install. So I enabled it, and then put the machine into hibernation. I use McAfee Safeboot on the machine (for data encryption). Upon ...
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1answer
328 views

Recovering files when Windows 7 MBR has been corrupted

System Stats: Type: 64-Bit Desktop; OS: Windows 7 Premium; HD: Seagate Barracuda 750GB, S.M.A.R.T. Enabled. History: There is the complex situation I'm dealing with, I'll do my best to break it ...
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Software RAID setup on an MBR drive

In Mike Meyers' CompTIA A+ book when talking about different partitioning schemes, he says "A dynamic disk volume is still technically technically a partition, but it can do things a regular ...
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MBR vs GPT (Logical Block Addressing)

Going through MBR/GPT I'm a bit confused on the transition from MBR (2^32) to GPT (2^64). If you breakdown the history from CHS-to-LBA addressing: CHS (24Bits) - 8GB Limit (1979 - Introduced with "...
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48 views

Master Boot Record (Sector Size)

I understand the typical MBR is 512B and the addressable space is 2TB (2^32 x 512B), this was related to the physical sector size of the storage device (HD) which made perfect sense, but what about ...
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118 views

Can I use ubuntu's Boot-Repair to fix windows MBR after CentOS wiped It?

CentOS's still cannot recognize the newer Windows 8.1/10 partitions and I have to look for a tool to repair MBR after install CentOS as my desktop OS. Could you point me in the right direction?
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will Kali linux GRUB make changes to MBR on windows OS

I am new to Kali Linux and am trying to install it in a Virtual Box on my windows 7 system. My question is will Kali linux GRUB make changes to the 'Actual' MBR on Windows OS when I am installing ...
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How to Convert MBR HDD to GPT without data loss?

I tried to install a windows 10 DVD on my laptop with windows OS, after formatting the OS drive, I got the "MBR drive" error, so I should convert it to GPT, but I have no OS on laptop, and there is ...
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Troubleshooting error 0xc000000e on Windows boot with Bitlocker full drive encryption

Note: I had originally thought that the BCD was the problem, which turned out to be wrong. I originally had my laptop set up as follows: A 300 GB partition with OS X 10.10 and native full-drive ...
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Ubuntu, unable to boot from CD, option missing in BIOS and grub

some time ago I switch from windows to ubuntu and at that time, I formated my hdd and created new partitions. NAME FSTYPE SIZE MOUNTPOINT LABEL sda 698,7G ...
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329 views

How exactly does TrueCrypt work

I have some questions about how TrueCrypt and other Encryption Software work. TrueCrypt overrides the Bootcode in the MBR. Is there any other TrueCrypt Code on the disk which is not encrypted (Chain ...
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Booting Windows and Linux across two physical drives

I'm trying to get Windows 7 and Kali Linux bootable on an old laptop, but there are a few considerations that are making it difficult: 1) Windows 7 is on an SSD, while I installed Kali on the ...
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61 views

Grub Rescue upon attempting to reinstall WIn8.1 on Msata

New device and not dual boot as far as I am aware. New clean install of win 8.1 was compromised. Intel provided a new device. Upon attempting to reinstall 8.1, it would not allow installation onto ...
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2answers
61 views

How to overwrite 0 sector under Windows XP?

Is there any built in Windows XP command or other utility which will let me overwrite sector 0, so the OS will be non-bootable?
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39 views

do fixmbr and fixboot change the list of oper. systems on start?

I have added new components in my computer and now I cannot start window 7, but I can Ubuntu, system repair cannot fix the problem. Then I read this I want to try these commands: bootrec /fixmbr ...
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Windows 10 Not Booting due to Boot Device not found

I just upgraded from Windows 8.1 to Windows 10 successfully. I think I made a mistake of formatting the old Window 8.1 recovery partition (which was not needed anymore). This was done via the Disk ...
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2k views

Changing System Drive from GPT to MBR

I currently have an Acer Laptop running Windows 10. My system drive currently has a GUID Partition Table (GPT) but I want to convert it to MBR Partition Table. Doing this wont be a problem as I found ...
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No free mbr slots while there should be

I have three partitions on my hard drive. including the system reserved partition, there are 4 Primary partitions and I cant have any more. But I want to have one 110GB Primary partition.(I want to ...
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1answer
35 views

First 32KB of logical partitions. What is there? Consequences of allowing/limiting access to it

This is a very low level disk question, and I have only been working with this stuff for a short time, and it is quite a different learning experience, so pardon any carelessness with terms, ...
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0answers
273 views

Windows 7 installation - setup was unable to create a system partition or locate an existing partition

I am trying to install Windows 7 from a bootable USB drive. I encountered the following error after selecting the partition to install Windows on: Setup was unable to create a system partition or ...
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1answer
238 views

Accidentally deleted Windows 7 Boot sector / MBR

Accidentally run the following on system drive instead of USB. OS: Windows 7. 1 system partition and 1 unformatted partition. Now still haven't rebooted while writing this. On C disk root can see ...
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75 views

My harddrive partitions are lost during attempting to install centOS 6.6. How to get back?

I had a windows 7 installation. I wanted to dual boot with centOS. So I separated a space for centOS and created root and swap areas. Then I installed centOS 6.6 normally. But it was not dual ...
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How to fix Windows 10 boot loader from Windows

I installed Ubuntu on system that has Windows 10 installed. I can boot to Windows or Ubuntu normally using GRUB. I want to delete Ubuntu partition but first I must restore Windows 10 MBR. Here https:/...
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213 views

Upgrade Windows 7 to Windows 10 GUID MBR

I have a Windows 7 Ultimate x64 machine with a UEFI/SecureBoot capable BIOS. How can I upgrade to Windows 10 and also utilize the UEFI/SecureBoot capability since my current Windows 7 installation ...
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1answer
146 views

Can a >2TB hard (GPT) drive be used as non-booting data drive on a non-UEFI board?

Our workstation can only boot from MBR max. 2TB hard drive. The BIOS cannot be changed to UEFI mode by firmware update or similar. We are running Win Server 2012 R2. Can we use a 2TB hard drive ...
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59 views

Why does GParted make my flash disk bootable? If not malware then what?

I did sudo dd if=/dev/zero of=/dev/sda where /dev/sda is my flash disk. /dev/sda was all zeros after this. Then I created a partition table with GParted on the flash disk. I made no other changes. Now ...
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3k views

How to repair a Windows7 boot sector on a secondary hard disk?

I am trying to rescue a damaged Windows7 here. Unfortunately, its boot record is corrupt (but its partition table is okay, only its boot code is bad). I've put its hard disk into a working Windows ...
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2answers
504 views

Convert disk with OS from GPT to MBR

I'd like to know if it's possible to change disk partitioning standard from MBR to GPT for a disk with OS on which I do that, without loosing the OS. I have windows 7 and want to install side by side ...
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1answer
73 views

How do I identify & fix a defunct MBR entry on a remotely-admin'd Win2008 Server?

My 1&1 Winserver had a disk replaced, and I managed to rebuild the RAID so I have once again two synched disks. The trouble is whenever the server is rebooted it seems to be still trying to boot ...
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3TB drive on BIOS system

I have a HP Proliant microserver gen 8 on which I am planning on installing Debian. I was thinking of setting up a raid-1 configuration through the built in raid controller using two Western Digital ...
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Computer boots up into 'startup repair' after running disk cleanup

I ran the 'disk cleanup' utility in Windows, and it found 80GB of temp files. This was fishy, since my disk is only 128GB and definitely did not have 80GB worth of temp files, but I let it run ...
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Use 4TB partition with old NTFS-3G which doesn't support GPT and RAID

I've a D-Link Router (2750U) which has a USB port and FTP Server. I've also a 4TB External H.D.D which I want to use as one partition with this Router as my home cloud. I don't want to split this H.D....
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229 views

How can I create a partition in a the GPT formated drive on OS X, which then results as a GPT partition and not MBR partition?

Looking around on how to install windows 8 or 10 on bootcamp I got the famous error from windows installer telling me I need a drive formatted as GPT an not as MBR. Actually I can't understand why ...
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75 views

Operating system not found. MBR possibly damanged

I get a can't find operating system message when starting my laptop. I was able to boot into the Windows 7 recovery tools loaded onto a USB. Using diskpart, I noticed my partitions show RAW as the ...
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183 views

Can Linux OS Boot off MBR in Native UEFI?

While UEFI & GPT go together, I was wondering if Linux can be instilled and boot off MBR Partition type while in Native UEFI Mode?