Windows 11 prep: How to convert MBR hard drive partitions to GPT

For added safety, Home windows 11 will forgo the older MBR partition scheme and use GPT as an alternative. That will require customers to transform their older exhausting drives. Right here is easy methods to do it.


Picture: S.Poungsomrith/Shutterstock

Present customers of Home windows 10 who plan to replace their working techniques to Home windows 11 when it’s launched in October 2021 will first have to satisfy a number of non-negotiable and stringent conditions. For instance, in its try to make Home windows PCs safer, Microsoft is requiring private computer systems working Home windows 11 to additionally use the Unified Extensible Firmware Interface¬†firmware put in on the motherboards.

To entry the improved security measures of UEFI, Home windows 11 will forgo the older Grasp Boot File (MBR) partition scheme and as an alternative use the trendy GUID Partition Desk (GPT) scheme. In case your Home windows 10 laptop continues to be utilizing MBR, it should be transformed to GPT earlier than you’ll be allowed to replace it to Home windows 11.

Be aware: For a lot of customers with older computer systems, UEFI is probably not put in on their motherboards in any respect, or whether it is, the firmware could also be too previous to satisfy Microsoft’s necessities. In both case, for these customers, Home windows 11 can by no means be put in, at the least not conventionally.

SEE: Guidelines: Securing Home windows 10 techniques (TechRepublic Premium)

How one can convert MBR exhausting drive partitions to GPT

To find out if in case you have UEFI in your PC you’ll have to entry the system software program of your specific motherboard. Sadly, there is no such thing as a such factor as normal motherboard system software program; every producer has its personal. So, you’ll have to determine easy methods to entry your system by yourself. Typically, the method includes urgent a particular key whereas the system is booting.

To find out if a tough drive is formatted utilizing MBR or UEFI, right-click the Begin Menu button and choose Disk Administration from the context listing. On the Disk Administration show, proven in Determine A, right-click on a tough drive petition, choose Properties, after which choose the Volumes tab. The kind of formatting shall be revealed.

Determine A


Changing an MBR partition to a UEFI partition is achieved with the assistance of a easy utility in Home windows 10 known as MBR2GPT.exe, which is accessed from the executive command line. The necessary factor to notice about this utility is that it’ll make the conversion with out dropping or overwriting any of your present knowledge. The MBR2GPT.exe utility requires Home windows 10 model 1703 or higher, so it might be helpful run an replace earlier than working the utility.

Editor’s notice: TechRepublic has lined the operation and the advantages of the MBR2GPT.exe utility earlier than, however we really feel it is very important spotlight the device once more as a result of it might play an necessary function in your preparation for the roll out of Home windows 11.

When you’re able to make the conversion, right-click the Begin Menu button in Home windows 10 and choose the executive command line from the context menu. Your decisions are both Home windows PowerShell (Admin) or Command Immediate (Admin), relying on how you’ve gotten chosen your set up.

As a precaution, it’s best to first validate {that a} conversion from MBR to GPT is possible by getting into this command on the immediate, as proven in Determine B. Be aware: Nothing shall be modified with this command.

mbr2gpt.exe /validate /allowfullos

Determine B


My exhausting drive is already GPT, so the validation failed, however you get the thought. If the utility returns “MBR2GPT: Validation accomplished efficiently,” then you realize you might be prepared for the first command, which is:

mbr2gpt.exe /convert /allowfullos

Assuming the conversion is accomplished efficiently, you’ll have to reboot your laptop, however if you do you have to entry the motherboard system software program to alter the boot partition setting from MBR to UEFI earlier than Home windows 10 begins its booting course of.

Assuming you’ve gotten met all the opposite Microsoft conditions for Home windows 11, your newly transformed GPT model of Home windows 10 ought to now be prepared for the October 2021 replace to the following era.

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