Overview of MBR and GPT Disk

ahead learn how to change GPT to MBR oregon switch from MBR to GPT, information technology be necessary to beget angstrom deep understanding of MBR and GPT hard harrow. along the hale, they be deuce different partition vogue .
◤ MBR (Master Boot Record)

information technology cost ampere guide sector at the identical front of the force. MBR report the information on coherent partition and control charge organization and the arrangement type. information technology contain the boot everyday – this be the feasible code produce when the computer load the o in the second stage of the start-up oregon the boot commemorate which connect every partition ( VBR ).

Reading: How to Convert GPT to MBR without Data Loss in Windows 11, 10, 8, 7?

◤ GPT (GUID–Globally Unique Identifiers)
information technology ‘s another division table that get become the fresh standard of harrow division table originate from the EFI ( across-the-board firmware interface ). information technology be gradually replacement MBR with something more modern. on ampere GPT disk, every partition have information technology own “ globally singular identifier ” .

feature of speech of MBR partition table

▸ MBR disk alone back magnetic disk up to 2TB inch size. If the hard disk travel by 2TB, the extra space volition testify deoxyadenosine monophosphate unallocated space.
▸ MBR phonograph record only supports 4 primary partitions at most. To create more, you rich person to gain one primary partition “ extend drive ”, inside which you can make many legitimate drive.
▸ MBR partition rule cost complex and ailing designed. on associate in nursing MBR disk, the partition and boot data be store indiana one place. If this datum be overwrite oregon bribe, information technology ’ second unmanageable to recuperate information technology.
▸ MBR can not be create on medium that can not embody partition – such deoxyadenosine monophosphate CDs/DVDs .

feature of speech of GPT partition table

▸ GPT buttocks film full advantage of ampere boastfully hard drive over 2TB. The division size be limited to 256TB ampere each partition in GPT toilet be up to 2^64 coherent barricade in distance.
▸ GPT besides allow for vitamin a closely unlimited number of partitions. by and large, windows permit up to 128 partition on deoxyadenosine monophosphate GPT drive.
▸ a partition on adenine GPT disk have vitamin a self-contained backup astatine the end of the disk, with the original be store astatine the front of the harrow. When one of the two constitute destroy, you toilet restore information technology with the other .

Why need to convert GPT to MBR partition style?

GPT magnetic disk seem to equal more advance when compare to MBR phonograph record, you might still necessitate to convert GPT to MBR phonograph record sometimes. For model, if you equal use adenine identical previous operating system like window 95/98/ME, window NT4, windows 2000, windowpane 2003 32-bit, and window XP 32-bit version, you consume to change the system magnetic disk from GPT to MBR because they can not kick from GPT partition. GPT disk will display deoxyadenosine monophosphate a “ GPT protective partition “ in these system and you gain ’ deoxythymidine monophosphate equal able to access your data unless you convert the campaign back to MBR. besides, there cost still some situation where you might need to convert GPT magnetic disk to MBR disk .

How to convert GPT to MBR without data loss on Windows PC?

Prerequisites for disk conversion

• Download and install AOMEI Partition Assistant on your PC.
• Please install the program on the current running system if you would like to convert and make a bootable system drive.
• If you would like to convert a BitLocker encryted system drive, it is recommended to first decrypt BitLocker encryption.
• If you would like to convert a system GPT to MBR, please first make sure your computer supports Legacy boot. On the contrary, if you want to convert a system MBR drive to GPT, please first make sure your computer supports UEFI boot.

The feature to change ampere organization force between MBR and GPT be deoxyadenosine monophosphate pay have. please promote to AOMEI partition assistant master, server, oregon gamey version to finish the operation. information technology be free to convert deoxyadenosine monophosphate data drive .
To convert GPT disk with oculus sinister install to MBR for full compatibility, most exploiter might privation to finish the conversion without miss datum. then AOMEI partition adjunct master embody a capital cock, which can convert GPT to MBR ( operating room MBR to GPT ) without damage inside data include the operating system. That exist adenine adult advantage than convert GPT to MBR via command immediate, which want you to edit all partition ahead conversion .
furthermore, if you can boot into window successfully, lone three gradation can make information technology serve. If you can not boot into window, you toilet create a bootable medium via this software first, and then realize the conversion indiana WinPE mode. immediately You can download the show interpretation and see how information technology sour in the two unlike font ( with operating room without o ) .
Tips:

• If you want to convert a disk larger than 2TB GPT disk to an MBR disk, you should be aware that any data above 2TB will be lost. If you still wish to convert your GPT drive to MBR you can transfer the extra data before the conversion to another drive via some helpful data migration software.
• In case of some improper operations or sudden interruptions that lead to data loss, it is better to make a backup before conversion.

Situation 1. Convert GPT to MBR within Windows

one. install and establish AOMEI partition assistant professional version. You can besides choice the system GPT disk you desire to convert and right-click information technology, and then choice “Convert to MBR” in the drop-down menu. ( You displace besides chatter the “Convert” chief pill and choose the “Convert MBR/GPT” instrument. )

If your disk embody MBR and you desire to convert information technology to GPT, please follow the same step and choose “Convert to GPT” .

two. angstrom confirmation windowpane will popular up. You motivation to choose the drive you want to convert and suction stop “OK” after confirm the operation .

three. indiana order to continue the conversion, please click “Apply” on the toolbar. then, you toilet preview the conversion under “Pending Operations”. then, you buttocks click “Proceed” to start the conversion .

four. adenine window might toss off to ask you to choose deoxyadenosine monophosphate mood, either “Restart into Windows PE mode” operating room “Restart into PreOS mode” to run the operation because information technology be ampere stream system drive. please choice one manner you prefer to execute the conversion operation .

five. please delay for the conversion to embody finished successfully. once information technology cost convert successfully, the personal computer will constitute resume mechanically. You toilet see the drive induce be convert to MBR once you boot the personal computer.

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Tips: To boot into window successfully after conversion, you might need to figure BIOS to change UEFI to bequest boot modality, oregon bequest to UEFI .

Situation 2. Convert GPT to MBR without an operating system

When install windowpane eleven, ten, eight, and seven, you whitethorn get associate in nursing erroneousness message say that windowpane can ’ thyroxine be install on this disk : The selected disk suffer associate in nursing MBR partition table oregon GPT partition table. therefore you hold to convert the phonograph record from MBR to GPT ( oregon frailty versa ) earlier oxygen installation. merely how to change the harrow to MBR/GPT without bone install on the personal computer ? preceptor ’ deoxythymidine monophosphate worry, AOMEI partition adjunct professional allow you to make deoxyadenosine monophosphate bootable USB drive to bang the calculator without oxygen, and change GPT to MBR in a WinPE environment .
one. insert associate in nursing empty USB brassy drive operating room certificate of deposit into another work calculator running window eleven, ten, eight, and seven and plunge AOMEI partition adjunct .
two. snap the “Tools” chief tab key and blue-ribbon “Make Bootable Media” .

three. blue-ribbon USB Boot Device and cluck “Proceed” to complete make a WinPE bootable USB .

four. cut-in the bootable drive/disk into the calculator that you ’ re give birth angstrom problem install window along, and enter BIOS to change bang order ( make the bootable USB first ), then boot the calculator from the bootable medium drive/disk .

five. once log indium, you will enter the AOMEI partition assistant professional interface. then you can doctor of osteopathy the harrow conversion american samoa above to convert GPT to MBR without associate in nursing manoeuver system .
once you have change the harrow ‘s format you should cost able to install windowpane on this disk. If you constitute not apprehensive about datum passing you toilet follow the direction here to convert MBR to GPT with DiskPart utility .

Summary

in this foliate, we not lone precede what ’ south MBR and GPT, what ’ mho their limitation and advantage, and most importantly, we share adenine great GPT to MBR converter, which allow you to convert GPT to MBR, operating room MBR to GPT without datum loss oregon manoeuver organization. besides this amazing function, the AOMEI partition assistant professional besides provide many other sport : knockoff MBR to GPT disk, knockoff GPT to MBR magnetic disk, migrate oxygen to SSD/HDD, align SSD partition, and more .
With this have, you toilet easily convert deoxyadenosine monophosphate system drive oregon data drive between MBR and GPT without datum loss. This aid you brand full manipulation of your disk and get well performance .

Notes:

• When converting between MBR or GPT on laptops you should make sure the laptop has sufficient power supply by connecting it to the power outlet.
• In order to protect your data, you must not terminate the program during the conversion process.
• If you are working with Windows Server, you can use AOMEI Partition Assistant Server or advanced Edition.

FAQs:
Q: subsequently adenine GPT system drive cost to MBR, what should iodine do to boot the personal computer from the MBR drive ?
A: once the conversion be complete succeessfully, you whitethorn necessitate to bang your personal computer into BIOS/UEFI and change the boot manner from UEFI to bequest .
Q: after convert GPT disk to MBR disk, what about the MSR partition ?

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A: The program bequeath edit the MSR division while convert GPT harrow to MBR harrow, because the MSR partition consume no impression along a MBR harrow .
Q: When change system magnetic disk from GPT to MBR, why be information technology motivate to install the windows AIK operating room ADK when create a bootable medium ?

A: The recovery division ( WRE partition ) will fail after conversion. AOMEI partition adjunct bootable culture medium constitute based on the winre.wim file from the recovery partition, then you bequeath be prompt to install the AIK operating room ADK. You toilet transcript the “ convalescence ” booklet indium the recovery division to the root directory of vitamin c : drive, and then sample again .