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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convert logical to primary getting “the operation could not be completed there is no empty slot in mbr”

I have Sony VAIO with Windows7 premium 64-bit and I'm trying to get more free space for drive C -which has only around 8 Gigs free, while I had 48 Gigs free on drive D- so I was thinking of merging ...
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How to fix Truecrypt MBR using Command Prompt or Linux live USB?

I was playing with TrueCrypt and decided to make a fresh installation of Windows 7 from USB stick. Unfortunately Windows 7 installer: "setup was unable to create a new system partition" My entire ...
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5k views

Cannot Install Bootcamp on Mac Fusion Drive

I have two drive installed in my mid-2013 Macbook pro. It is running osx maverick. I set the two drives (an ssd and a regular HD) up using the fusion drive (following the diy fusion drive guides out ...
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Can rEFInd be forced to replace boot code in a MBR?

Is there a way to force rEFInd to replace the boot code in the MBR before preforming a BIOS boot of the Windows operating system on a Mac computer? I understand that if the first 440 bytes in the MBR ...
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9 views

Get correct Windows partition back in Grub

Model: HP Compaq Mini 32 bit. Device: Samsung Evo SSD 120 GB. OS: Dual boot --> Linux Mint 17.1 Xfce & Windows 7 Starter. TLDR: Fixed Grub + got Mint back using parted rescue; win7 reboots or ...
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408 views

Windows 8.1 freeze on startup - Dell Inspiron 15 (7537)

I have a huge problem. (Sorry for my english) The day befoe yesterday I had a Dell Update shown up on my taskbar, I approved it, it ran, and after that I could not turn my laptop on. When I try to ...
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1answer
41 views

How do I deploy Windows 7 to UEFI or really boot in legacy mode?

I used to deploy a windows 7 image to computers using clonezilla, after creating two partitions and setting the bootable flag on the system partition. Now however, I've got some computers with an ...
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29 views

Bootloaders - Booting an MBR only OS using a UEFI only BIOS

A long time ago, in a computer lab far far away, I stumbled upon a bootloader which dared to cross the boundaries between MBR and EFI. It's name was Clover. Using clover, you could boot any number ...
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MBR max of 2TiB on each partition or on disk?

A quick point of clarification needed. With the MBR Maketecheasier.com says each partition can only go up to a maximum of 2TB in size The Differences Between MBR and GPT But IBM's ...
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23 views

Broke MBR & Grub2 on Multi-Boot System

For all those out there looking for a challenge, this is the most messed up hard-drive I will probably ever have to deal with. So to make solving this massive problem as easy as possible, I am going ...
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826 views

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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How to repair boot in a dual boot setup with two Windows 7?

I installed a second Windows 7 installation on a separate hard drive on a computer that already had a Windows 7 installation. Initially all worked great - each time I restarted I received a boot menu ...
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103 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. ...
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1answer
178 views

After upgrading from Windows 7 to Windows 10, system thinks GPT partition is MBR

I have a Windows 7 system with 3 hard drives - Disc 0 is the boot disc formatted with MBR, Disc 1 is a 4 TB disc formatted with GPT, and Disc 2 is a 2 TB disc also formatted with GPT. Disc 1 has one ...
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26 views

Booting Win7, GPT and MBR disks setup

I've got the following setup in the PC: Old disk: formatted with MBR, New disk: formatted with GPT Both have Win 7 installed are are booting fine on their own (in legacy or EFI mode, respectively). ...
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39 views

How to install Windows XP MBR from FreeDOS

I accidentally corrupted my Windows XP installation (i use it for programm testing). Luckily, i had copied the installation files before. Now i made a partition via FreeDOS, and i copied Windows XP ...
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4answers
34k views

What is hd0 and sda/sdb in Linux?

I'm completely new to Linux, and am using Ubuntu 10.04. I'm confused when to use what (hdx,y) to represent which hard drive. I have 2 hard drives, the first one is identified as /dev/sda (in Disk ...
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3answers
12k views

How to see if USB stick has MBR?

I have a USB stick supposed to be bootable, but the computer does not boot it. I suspect that there is no MBR (Master Boot Record). How do I test if this is so, preferably from command line in ...
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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 ...
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1answer
7k views

Unable to access UEFI BIOS setup or boot into Windows after setting MBR with EasyBCD then resetting it

I can't exactly remember what the menu items were called (because I can't boot into my computer), but I'll try my best. Earlier I tried using EasyBCD with Windows 8 on a UEFI Lenovo IdeaPad Z580 ...
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Is there a difference between the first 446 bytes of different windows MBRs?

After reading a lot about install algorithms for installing windows from linux, for installing linux in addition to windows, .... I'm wondering a bit. From what I read for example for installing ...
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HDD - MBR or LBA corrupted, can it be recreated?

I have to recover an IDE Hard drive with some logical damage. After connecting it as external drive using an IDE-USB interface, I encountered the following: - Number of sectors seems to be zero - In ...
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28 views

Why is there not some simple way of booting ISO formatted USB? [duplicate]

From what I understand the only difference between booting from an HDD/USB and CD/DVD is the way they are formatted (the first 2 have the MBR and the second 2 the ISO layout). I mean it's not some ...
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47 views

How to install Windows XP x64 manually?

OK so my question is simple I've a nice build of Windows 10 and OpenSuse and all my partitions are put in order which I don't want to risk loosing, letting about 10 years old OS managing those stuff. ...
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2k views

How to Install Windows XP to wiped out HDD without MBR?

I was using my old laptop with SSD as a primary drive. After buying the SSD I formatted the HDD for storing just personal data, so I wiped it out (OS, MBR etc. - everything). Now I moved the SSD to ...
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Re-installing MBR (Master Boot Record) on Windows 7

I have GRUB installed on MBR for dual booting with GNU/Linux. However, now I want to delete my linux partition, and go back to using Windows 7 MBR. How do I re-install MBR while logged on Windows 7, ...
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36 views

Potential problems with Seagate DiskWizard when extending beyond 2TB with MBR

A bit of an oldy, but couldn't find an answer to my exact question. My motherboard doesn't support UEFI but I want to boot from my 4TB Hard Drive and use it all. I heard Seagate DiskWizard allows ...
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272 views

Debian 8 Installer (partman) doesn't detect Hard Disk Drives on Ultrabook, but all other linux commands (fdisk -l, lsblk…) does detect

I'm installing Debian 8.0.0 and 8.1.0 (both amd64) on a Ultrabook (Dell Inspiron 14z 5423) which has both a SSD and a SATA HDD. During the install, when it asks for partitioning, I choose "manual" ...
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35 views

Mint Linux GPT to MBR

I am currently running Mint Linux on a PC with an old Intel Motherboard. It works just fine but I have have to select the HDD as the boot device manually upon start-up every time because the BIOS ...
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2answers
27 views

MBR protective to MBR hybrid OSX

Right to the point I wanted to install W10, but it said that it doesn't like my gpt partition. So, with the help of gdisk, I followed this tutorial MBR hybrid to MBR protective Buuuuut it turns out ...
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After a hard restart, I am unable to repair the MBR of my BitLocked drive and don't have the key

Why would Microsoft not build in a password entry widget into the repair process? How can I save my data? I've tried everything I can think of. Windows 8.1 Pro (not sure if version N or not, not ...
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What should the MBR look like?

I was reading about a computer's booting process and found out that the computer loads the bootloader's code from the MBR. So I wanted to take a look at my MBR like this: sudo dd if=/dev/sda of=mbr ...
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Can't extend volume

Found unused 90GB on array on Windows 2003 Server SP2 and extended array into it. In Disk Manager it is now shown as unallocated of MBR type and no option to extend existing volumes into it. Diskpart ...
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1answer
631 views

How to make grub2 boot another drive MBR?

My laptop (DELL Vostro 3350) have two hard drives: 1- /dev/sda , ssd with Ubuntu14.04 , grub2 installed to this MBR. Installed on normaly hd bay 2- /dev/sdb , stock hd (with recovery partition etc ...
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43 views

Does formatting the disk rewrite MBR (master boot record)?

The title says it all. I want to know whether MBR is overwritten after a Windows clean installation.
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364 views

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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24 views

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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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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How to correct 512-byte sector MBR on a 4096-byte sector disk?

Final update: I already knew what I needed to do to fix this problem; I just didn't know how to do it. I was hoping there would be some ready-made tool to do that automatically - but couldn't find ...
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2answers
206 views

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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1answer
35 views

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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2answers
118 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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49 views

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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1answer
57 views

Update win 7 MBR with 2nd disk win 10

On the same box I have a hdd with win 7 & a hdd with win 10. Can I get the win 7 to detect that I've added a win 10 disk. I installed the win 10 while using that box, but the 1st disk wasn't ...
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1answer
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Windows 10 Tech Preview error: “Windows cannot be installed on MBR disks”. My hard drive is GPT. Why am I getting this error?

I'm trying to install the Windows 10 Technical Preview from a USB drive. The hard drive I'm trying to install on has multiple partitions and is formatted with a GPT partition table. When I start up ...
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1answer
174 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 ...
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0answers
80 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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1answer
49 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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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. ...