How to convert MBR to GPT drive to switch BIOS to UEFI on Windows 10

When you desire to switch firmware type from the basic Input/Output system ( BIOS ) to unify extensile firmware interface ( UEFI ) without change the current facility operating room erase the data store on the drive, operating room you plan to upgrade window ten to window eleven, you can convert the drive exploitation a master boot record ( MBR ) to deoxyadenosine monophosphate GUID partition table ( GPT ) partition style use the “ MBR2GPT ” instrument. BIOS be a piece of code that rest on the motherboard that connect the hardware and software. This code induce be about for deoxyadenosine monophosphate long time, and while information technology work well, information technology be never design for modern hardware, and information technology experience many limitation, include limitation to partition modest than 2TB .

UEFI be the new firmware type design to substitute the honest-to-god BIOS style. information technology introduce extra have, include support for partition bigger than 2TB and fast inauguration, sleep, resume, and closure time. besides, information technology unlock new security feature available on window eleven and window ten. For case, “ secure boot ” be deoxyadenosine monophosphate feature that toilet protect ampere device ‘s inauguration work from malicious program, and now information technology ‘s adenine prerequisite to install window eleven. “ device guard ” give you more advanced control condition for app access, and “ certificate guard ” displace help oneself prevent pass-the-hash attack.

inch this window ten scout, we will walk you done the step and information to consumption the Microsoft MBR2GPT command-line joyride to convert a tug from MBR to GPT division manner, to switch from BIOS to UEFI mode on your device, and enable secure kick correctly. Warning: This constitute deoxyadenosine monophosphate non-destructive procedure, merely information technology ‘s hush commend to make vitamin a wide backup of your personal computer earlier proceed in casing something run low wrong and you need to recover your apparatus .

How to convert a drive from MBR to GPT on Windows 10

unlike old method necessitate a backing of your datum and reinstall window, the MBR2GPT tool make information technology easy to change the partition style cursorily. When exploitation this instrument, the conversion process add the GPT component to the MBR partition without change the exist partition and wield the datum untouched. The good approach be trade to UEFI and perform a clean install of window eleven. however, if you already have vitamin a window ten initiation that you need to upgrade, you can convert the drive to deepen the system firmware setting properly. differently, the device volition no long start correctly .

Check MBR or GPT partition style

ahead lay down system change, check the current mise en scene to see whether the arrangement constitute adjust to MBR oregon GPT use these step :

  1. Open Start.
  2. Search for Disk Management and click the top result to open the experience.
  3. Right-click the drive (where Windows 10 resides) and select the Properties option.

reservoir : window cardinal ( persona credit : source : window central )

  1. Click on the Volumes tab.
  2. Under the “Partition style” field, if the field reads GUID Partition Table (GPT), the drive does not need conversion, but if you see the Master Boot Record (MBR) label, you will need to use the conversion tool.

source : window central ( persona credit : source : windows cardinal )

  1. Click the Cancel button.

once you complete the pace, you buttocks change the partition style on the computer. besides, if you want to change the partition, check your device manufacturer ‘s hold web site to find out whether the hardware include hold for UEFI earlier practice these teaching .

Convert MBR to GPT partition style (offline)

To convert ampere drive use MBR to GPT on window ten, use these step :

  1. Open Settings.
  2. Click on Update & Security.
  3. Click on Recovery.
  4. Under the “Advanced startup” section, click the Restart now button.

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  1. Click the Troubleshoot option.

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  1. Click on Advanced options.

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  1. Click the Command Prompt option.

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  1. Select your administrator account and sign in (if applicable).
  2. Type the following command to validate the drive’s requirements and press Enter:mbr2gpt /validateQuick tip: The mbr2gpt.exe is located in the “System32” folder inside the “Windows” folder. If you want to see all the available options, use the mbr2gpt /? command.

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  1. Type the following command to convert the drive from MBR to GPT and press Enter:mbr2gpt /convert

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  1. Click the Close button.
  2. Click the Turn off your PC option.

subsequently you arrant the step, the instrument bequeath validate the drive and make associate in nursing EFI system division ( clairvoyance ). The process bequeath besides cut-in the UEFI boot file and GPT part into the division. The tool will update the boot shape datum ( BCD ), and the previous drive letter volition be add to the driveway .

Convert MBR to GPT partition style (online)

information technology ‘s constantly recommend to use the MBR2GPT tool offline to keep off potential problem. however, you can besides run information technology when the organization be operational. To convert ampere drive from MBR to GPT on windows ten, use these stairs :

  1. Open Start.
  2. Search for Command Prompt, right-click the top result, and select the Run as administrator option.
  3. Type the following command to validate the drive and press Enter:mbr2gpt /validate /allowFullOS

informant : window central ( image accredit : reference : window central )

  1. Type the following command to convert the drive to GPT and press Enter:mbr2gpt /convert /allowFullOS

source : window central ( image credit : source : windowpane central ) once you complete the step, the command-line tool will boil down the size of the elementary partition and change information technology from MBR to GPT .

MBR2GPT return codes

If the summons constitute completed successfully, the render code would embody “ zero, ” merely if the process fail, you whitethorn see one of the eleven mistake code : swipe to scroll horizontally

Return code Description
1 User canceled the conversion.
2 Internal error.
3 Initialization error.
4 Invalid command-line parameters.
5 Error on the geometry and layout of the selected disk.
6 One or more volumes on the disk are encrypted.
7 Geometry and layout of the disk don’t meet requirements.
8 Error while creating the EFI system partition.
9 Error installing boot files.
10 Error while applying GPT layout.
100 Successful conversion, but some boot configuration data didn’t restore.

MBR2GPT important details

You displace use the MBR2GPT creature on a traditional hard drive ( HDD ), solid-state drive ( SSD ), operating room associate in nursing M.2 drive with about any interpretation of window ten, merely you must streak the tool from vitamin a window ten ( interpretation 1703 operating room later ) facility. When share with ampere drive practice file encoding with BitLocker, you mustiness first suspend the encoding ahead watch the draft instruction manual. while MBR-style drive displace receive improving to four elementary division, the drive you lack to convert calcium n’t induce more than three partition because one extra allocation be want to create the UEFI partition. finally, Microsoft design the tool to convert drive run window 8.1, seven, operating room from associate in nursing elder version, merely you can always upgrade the initiation to the belated turn of window ten and then manipulation the cock to convert from MBR to GPT .

How to change the firmware mode from BIOS to UEFI

after convert the tug to the GPT vogue, the calculator bequeath no long start until you change the firmware type from BIOS to UEFI in the motherboard. typically, this process ask hit one of the routine key ( F1, F2, F3, F10, oregon F12 ), Esc, oregon erase identify angstrom soon arsenic you originate the device. however, since these option be always unlike, information technology ‘s outdo to check your device manufacturer ‘s support web site for more specific detail. on the firmware interface, discovery the “ boot ” menu, enable the UEFI option, save the change, and then the computer should startle normally. besides, if you design to upgrade the device to windows eleven while inch the UEFI setting, open the boot operating room security context page, make sure to enable the “ secure boot ” option, and exit the firmware redemptive the transfer .

Check GPT partition style

To confirm the device embody use vitamin a GPT partition style, practice these footstep :

  1. Open Start.
  2. Search for Disk Management and click the top result to open the app.
  3. Right-click the main drive and select the Properties option.

source : window central ( prototype credit : informant : window central )

  1. Click on the Volumes tab.
  2. Under the “Partition style” field, the information should now read GUID Partition Table (GPT).

reference : windowpane central ( image credit : source : window cardinal ) after you accomplished the step, if the partition be run use the decline partition style, you merely want to check whether the device use the UEFI firmware mood .

Check UEFI firmware

To confirm the computer be indium UEFI mode and impregnable boot be call on on, use these mistreat :

  1. Open Start.
  2. Search for msinfo32 and click the top result to open the System Information app.
  3. Click on System Summary on the left pane.
  4. Check the “BIOS Mode,” which now should read UEFI.

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  1. Check the “Secure Boot State” information, which now should read On.

once you complete the gradation, if the system information display the mode adenine “ UEFI, ” you have successfully switch the firmware type .

More Windows resources

For more helpful article, coverage, and suffice to common question about window ten and window eleven, visit the stick to resource :

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