How to Convert MBR to GPT for Free on Windows 10 without Losing Data (Easy Method)

[@andrewwhite2793]

Brilliant, worked for me. Spent hours trying to workout why my system wouldn’t reboot after changing the BIOS to UEFI, I didn’t know about the disk management side of things!

[@andrewwhite2793]

@@luis_laurent I had checked to see if my PC could upgrade to Win11 from Win10. I had to change the security settings in the BIOS,( Microsoft have a tool to se if you can upgrade the OS)however I couldn't. After researching, changing my HDD from MBR to GPT was the problem. After following the instructions in the video I went into the BIOS again and was able to change the security settings with no problem. I hope that helps you. Regards.

[@EmilyHillgoddessofthunder64]

Thank you so much! This was quick and easy. I was reading so many articles before I finally found this video. At first I was worried I did something wrong because I already changed the settings to UEFI only in my BIOS but then I looked again, restarted and now I have GPT.

[@MrGreenTabasco]

DUDE THANKSSSSS!!! I was ready to embark on a huuuuuuuuuuuge journey to change the system drive. Would not thought that it was possible to change the fileformat without deleting windows! THANKS MAN!

[@paulawinpanggodsway2720]

this won't work in cases where windows wasn't install with the uefi boot option the tutorial is not clear and if you have valuable information on your PC you should be careful

[@TurielTyrael44-bf1ld6zu6s]

For me it worked fine. I had a Legacy bios. Of course any data you care about should always be backed up, and also: it's good to watch multiple tutorials before you make the decision. The legacy to UEFI bios change happens after you convert the disk not before. (Right?)

[@joshevans3587]

This is the most clear, easy to follow video i have found to do this. Big thumbs up!

[@keithdreier4697]

It worked great for me! One machine had 2 recovery partitions that I had to remove before the mbr2gpt would run. The other worked perfectly! After struggling with the issue of not being able to boot to windows and then finding out in some MB you have to install a Graphics card and enable CMS to legacy before you can boot to windows to be able to perform the mbr2gpt. His instructions here were perfect!!!

[@ปั๋ม-ฒ1ช]

In this condition is easily & successfully convert because mbr disk has only one partition If your mbr disk has more than 3 partitions you will meet big problem , then mbr2gpt.exe don’t permit to convert, it will show message failed !!!!

[@paullee6256]

Thank you. Very useful and to the point. Shame I wasted so much time on others that were either hidden product promotions or just plain incorrect.

[@Slackersink1]

Thank you for the smooth walkthrough, this worked quick and easy. Now to upgrade to Win11 and hope that doesn't blow anything up!

[@jippo91]

This worked perfectly. I already had TPM2.0 and secure boot enabled, but couldnt install windows 11. I followed your guide and changed my boot option from UEFI and legacy to UEFI only and now i can install windows 11. Thank you!

[@ArmadilloManiac]

My God, by far the easiest way to do this. Great video. Expertly explained. No need to download other windows apps like some videos told me to do. Thanks for this!

[@pliniosanick8531]

I can't thank you enough, after searching a lot, It really worked. I just liked your video and subscribed. Thanks a lot mate!

[@gavinmcneely2705]

HUGE HELP. I didn’t wanna have to backup everything and reinstall windows. This saved so much time thank you !

[@PhatBoyiee]

when i typed mbr2gpt /validate /disk:4 /allowFullOS it gave me an error disk sector size is: 512 bytes? I had to go to computer management and shrink the C drive by 51200 then ran the validate process again and it worked.

[@darrenmillward4445]

You just turned me into a computer wizz kid.. my family think I'm a genius but we both know it was your tuition that made me this way.. kind regards and thank you for the easy to follow video.. yes I'm 53 and I refer to all film and movie clips as video😂

[@si9ina]

Awesome!!! This is what i have been looking for. I almost plan to paid for miniTool to convert my OS to GPT. With your guide, now my gaming PC is ready for windows 11. You are the best. 🥳

[@theoschela]

Wow, you totally de-mystified this process - thank-you!

[@eljjtp]

I've been at this all night and it still says cannot find room for the EFI system partition. Its a brand new 18tb drive and I copied my 256 boot drive to it. MS and windows just suck. I give up.

[@julijangrajfoner1730]

MBR2GPT: Attempting to validate disk 1 MBR2GPT: Retrieving layout of disk MBR2GPT: Validating layout, disk sector size is: 512 bytes Disk layout validation failed for disk 1

[@julijangrajfoner1730]

same here

[@mkezar4530]

same

[@george.992]

One of the reasons could be that your disk is split in more than 3, I had 4 partitions and after I unified two of them it worked fine

[@Vlainstrike]

Thank you! This came in handy when trying to clone an old 1TB MBR HDD onto a 4TB SSD. I found out the hard way that trying to clone a MBR drive without first converting to GPT results in an unbootable clone drive.

[@swiftoatmeal1874]

This video acutally worked thank God Almighty I have been trying to do this for a whole day after reinstalling CPU and then system couldnt boot so I had to switch to CSM and then found out GPT would work for the UEFI mode and this video solved it all thank you

[@MyAirMyles]

This is legit. Thanks for the easy, to the point, video.

[@lous1882]

What to do about converting the other physical drives was never mentioned. Since it wasn't addressed, the presumption is that nothing needs to be done. Besides the OS disk, I have 2 other physical drives controlled by Windows Storage Spaces.

[@jsbv7245]

I already had the changes in the BIOS so when i restart my pc it worked just fine. Thanks

[@minakhoshaba8109]

if you are getting stuck on " trying to shrink the OS partition," then here is what you should do. Close command prompt Right-click on " my pc" and select properties(This will open the " about" settings tab) Next,click on "system protection" under related settings ( down below or to the right of the page) it will show that you have system protection turned on on disk 0 Click on that drive, then "configure", then disable system protection" No go back and retry the video method. Even with this my command prompt was trying to shrink for about 5 seconds before it finished

[@naimatakku]

Thank you. Worked great for me! Just make sure you are familiar with the BIOS settings. Took me couple of tries to boot windows

[@soliver111]

Thanks for the information. I have two older PCs that the BIOS did not have the option. One booted fine the other failed to boot. I was able to recover the failed PC with full disk image restore.

[@MrTredd222]

Thanks! I followed it to the "T" and it was very useful. I ended up having to shrink my SSD down to about 200MB in the disk partition due to the validation step not working and it worked flawlessly afterward...

[@ObiMatt87]

Outstanding video. Super-easy to follow your directions and greatly appreciated the help. Worked perfectly! Thank you.

[@tina-hw3ut]

Life saver this fixed my issue with meeting the requirements for windows 11 upgrade since secure boot wouldn't work as I had legacy boot configuration

[@MeLtDeDoWn]

Thank you for the clear instructions - saved me a boat load of time!

[@jippo91]

By the way. The UEFI boot option in the newer asus motherboards can be found in BIOS-> Boot-> CSM (Compatibility Support Module)-> Boot Device Control. I have a asus rog strix B450f gaming motherboard and there is where i found my UEFI options.

[@shojibmahmud9667]

Disk layout validation failed for disk 0

[@taylormcdonald.6586]

did you find the fix?

[@adrianmitoi4058]

😢did you find the solution?

[@larrymorgan2811]

This worked perfectly for me. Thank you.

[@dubrpanda1636]

THANKYOU!!!!!!! im late but this worked!! After months of searching and trying things

[@nexuqk]

thank you,i needed this to enable Amd SAM

[@06Satorare]

Yes. Finall get all tick to meet Windows 11 requirments. This is life saver for me. Thanks 👍👍👍i have just subscribed your channel.

[@lordoftheriffs79]

Hello, I have two drives, one HDD the laptop came with and an ssd to which I installed windows 5 years ago and is working perfectly. mbr2gpt does not work as it says disk layout validation failed. There is a partition in my hdd of aboyut 550MB which is used by system, maybe it is the culprit and it has boot partition? How can I make it run? Thank you

[@MuhammedUsmanKhanofficial]

Thanks for this knowledge man i love to appreciate your efforts ❤❤❤❤

[@TheB00Man]

Dude! Thanks so much for posting this. You are a light unto the world.

[@markcook4043]

Nice one sir I wanted to keep my pc beyond 2025 so this only helped me thank you so much.

[@Aakirakaa]

THANK YOU SO MUCH!!!!!

[@GX33Official]

thx gonna have to do this to update to Windows 11

[@robn8556]

short , sweet and simple . thank you. very helpful video..👌

[@angelolima4811]

Can I have one drive gpt and the others mbr without messing up data or losing data on any other drives or the gpt one because I'm planning to clone a 2tb to 3tb

[@restysualibio672]

>mbr2gpt /validate /disk:0 /allowFullOS EnablePrivilege: AdjustTokenPrivileges failed (Error:0x514) ERROR: Failed to enable backup/restore privileges. Check that you are running in a process with elevated privileges.

[@EclipseMCC]

Yooo, thx for the tutorial! Helped alot and got straight to the point.👉

[@DawidGdybadz]

mbr2gpt bad_module_info why?

[@joypierce3639]

Hi there. I bought a refurbished Dell desktop from Best Buy and can't upgrade to Win 11. I'm set to Legacy in the BIOS, and before changing that I tried converting from MBR to GPT using this method and it says Cannot find OS partition for Disk 0

[@yuki7895]

Perfect video !! Very helpful

[@chavito808]

This really helped a lot! Thanks!

[@ankitdixit18]

But when i'm trying to validate there is an error saying :- Disk layout validation failed for disk 0 Plzz help me out this😢😢

[@lauro7861]

Same here..

[@rhabarbarums]

- "Disk layout validation failed for disk 0." -> C:\Windows\setuperr.log -> "Too many MBR partitions found, no room to create EFI system partition." - MBR2GPT tool does not support more than three (3) partitions in the MBR partition table, and you should not have any extended/logical partition. All three partitions must be primary partitions.

[@zilverman7820]

@@rhabarbarums I only have one partition but it gives that error

[@robolivieri9915]

Thanks a lot dude it worked !

[@mrbrunol]

OMG OMG OMG You are a life saver. Works perfectly to me!!! ty ty ty

[@eh9997]

I have covered my SSD to gpt, and it looks good, but can't boot from it. In Uefi boot priority, the drive has the name: (PO: OCZ-VERTEX2) the drive I can boot from does not have the letters PO: how do I change this? Thanks for the good explanation.

[@NoobSniper]

Perfect guide, thank you!! 👏

[@N4CHO_]

Thank you for this video! liked and subbed.

[@Chris-Workshop]

excellent! worked like a charm! thanks!

[@Dev_nursing]

I got a problem of ''Disk layout validation failed for disk 0'' so if you have any solution please suggest me.

[@TurielTyrael44-bf1ld6zu6s]

You can also go into disk management before you restart the machine to make sure it says GPT disk

[@vxl2320]

Didn’t work for me.. gives me errors in the CMD prompt. “Invalid arguments”

[@land.1368]

PERFECT! love you

[@hamzahabuamireh4320]

in the cmd after i try to convert the disk to gpt it doesnt work and it says "MBR2GPT: Conversation failed" how do i fix this

[@GilbertCuizon]

thank you sir! its really work! i can use now the windows 11

[@lorenz681]

Is it true that this only works on a windows system disk? I have a external drive that somehow is now MBR and I want to Convert it back to GPT with hopes of recovering files. There are paid partition managers out there that claim to do it, but looking for a free alternative

[@Lemonades1321]

Can you do this to your external drive. My computer is only reading it as a fat 32 and 29 gb when its a 4 tb drive. Thank you

[@abdalinhopictures]

is it only necesary to this on my boot drive if I want to upgrade to win 11? or do i need to do this for all my drives?

[@AdamHarris-k3f]

There's no button or link to actually DOWNLOAD that file.

[@zingerstacker22]

Thank you my guy 🙌

[@frich2k]

Huge thumbs up man! Thank you for clarifying and telling how to do the steps. Now if only I understood what actually changed here xD I feel like unless you are an absolute tech savy, you are just doing what needs to be done, but overall I'm being clueless what this gpt partition style differs from mbr xd

[@0Erag0n]

Short answer is Old vs New filesystem. You can have 2tb partitions on Mbr but 9,8ZB (9.8 billion TB) on gpt. 4patitions mbr 128partitions gpt. Mbr bIos vs Gpt UEFI.

[@kdepfullblc3338]

hello thanks it worked however my laptop doesnt accept secureboot so i cant install w11??

[@sabbathian]

Worked great, thank you!

[@back2basics512]

bro thanks this worked great for me without software and if you can make a video on how to change the manufacturer boot up logo as well please

[@MissyKebz]

you've helped me so much. Thank you 🙏🏼dropping a sub 😊

[@TOGthatoneguy]

this helped a lot thanks man.

[@mfk600]

what if i want to also convert Disk1 and Disk 2? Do i need to put the MBR2GPT file in those disks? cause it worked for Disk0 but not for Disk 1 and 2. please help

[@KNarllDrool]

😃😍🤩 Thank you very much I appreciate a good Command line tech teacher , I too wasted time watching how to hatchet my OS when all I had to do was buy the module for my gigabyte MoBo and then take a lesson from the Master 🍾😁

[@GMSpecials]

This was awesome!

[@Sukosongs]

Un énorme merci, tu m’as vrmt aide pour ça . Je n’y comprenait rien

[@anacolnago9749]

HELPPPP C:\Windows\system32>mbr2gpt /validate /disk:0 /allowFullOS MBR2GPT: Attempting to validate disk 0 MBR2GPT: Retrieving layout of disk MBR2GPT: Validating layout, disk sector size is: 512 bytes Disk layout validation failed for disk 0

[@RapLorenzo]

Merci. Cela a fonctionné parfaitement. :)

[@nobuckle40]

This was unsuccessful for me. Let me say though, that I am trying this on a very old PC - Dell XPS 8500 Desktop (2012). BIOS is American Megatrends Version 2.15.1226 (2012). If I change Legacy to UEFI, I get an error message stating that no boot disk was found. Any suggestions?

[@curiousmind7967]

I think its because only certain or the new motherboards support EFI/UEFI

[@nobuckle40]

@@curiousmind7967 Thank you.

[@Noti3]

the code didnt work it said conversion failed, what do i do!?

[@greyone40]

Excellent. I had looked at some articles on this, but they manage to leave out the important switch "/disk:#" This has saved me a lot of aggravation. Thanks.

[@poshpaul55]

Many thanks 👍👍

[@the3dpenguy613]

I changed my bios then it wouldn’t boot to windows and showed black

[@arvidpedersen9128]

So this does not work for other drives, ie my externals ?

[@Cosmicblaster117]

Does it only need to be the drive with the os or all drives?

[@soysauce6977]

If you did it did you have to format the other drives?

[@GameSpectrum_]

Worked nice guide

[@dawidbyku9849]

Thank you ❤❤❤❤

[@RadekRehta]

Thx for your work.. my settings are already done after 3 ours of trying fix this issue

[@grzegorzbrzeczyszczykiewic9906]

Cannot find OS partitions for disk 0 ,now what ?

[@angelolima4811]

Is this compatible with t7500 dell precision desktop

[@JaydenPopovski]

On the Nintendo switch how do you make the clock like that

[@ericbritt8227]

why does this not work for a data drive?

[@ปั๋ม-ฒ1ช]

Can anyone find solution in case mbr disk system has contain more than 3 partitions to success convert to GPT disk !?! Please !!!!

[@satwiksrivastava495]

Mine had had an error and gets Validation failed

[@RydenClyde]

THANK YOU BRO!

[@Guidinglight-100]

For me it doesn’t validate or even convert

[@Mickeyxv1]

this worked for me after i built my pc myself & was stuck on legacy!

[@bouhalaoussama270]

Thanks mate ❤