Came here after a long struggle to convert from legacy to uefi and finally found the correct video. Thanks man it helped me to change to uefi. This video will be helpful to a lot of people now that Windows 11 is a thing.
@@animeshmishra8285 I used AOMEI partition to convert disk to gpt I got the pro version for free buy a youtube exploit video then I watched some hp laptop videos with my bios on how to change to uefi and enable secure boot.
Pretty good explanation. Thank you so much. I didn't know that the details were right in from of my eyes. I missed the point that the MBR disk had a logical volume in my scenario. So I copied the data to the OS partition, deleted the logical partition and made sure that I only had 3 partitions. Tried converting again and boom! Converted successfully.
Does a recovery partition count? I have followed your video transferring my system reserved file into the same disk as my OS but now I have four partitions: My OS Drive, another usable partition, my system reserved, and recovery drive. Is this the reason why my conversion won't work?
This helped me somewhat. The error was "Disk layout validation failed for disk 0". Had to shrink by only 1MB then it finally agreed to do the convertion
The UEFI standard has been around from somewhere in the 2005/2010 period, so "if your machine is 8 to 10 years old" in 2019, there is a good chance it has UEFI.
My 1st gen i7 and 4th gen i5 both have UEFI options. First gen i7 is on a Dell precision M4500 laptop and my I-5 was on a MSI Z87-G45 motherboard. Both of them support UEFI but I believe only the i5 system had the TPM.
MY MAN!!!!!! u just save my ass, thank you!! Im a dude in distress with legacy mode overshadowing me leptop, and uefi always maketh "no bootable device" forever.. Once again, thanks man! I truly appreciate you detailed instruction. Its help, unlike those mainstream vid which only explain how to succed but no fail anticipation.
@@itarmy2778 bruh, i think i found a new problem fer ya! If you convert your allos from either mbr to uefi or the otherway around. When you do windows 10 update, it would crash and you wont even be able to boot cause the system is changed but the hardisk still the previous one. This happen to me yesterday. And i had to install windows in fd from another pc, and run the fd windows to format all the hardisk first, then doing total reinstall. Its quite the labor since running windows in fd were practically much slower than in harddisk
You saved me money and a headache. I didn't understand why mbr2gpt wouldn't work, and 99% of the videos here try to sell software to do this. Just shrinking my main partition on disk 0 did the trick, as it made space for the UEFI partition (which apparently only needs 100Mb). Thank you.
Wow, you really explained it way way better than some of Microsoft employees did. I am gonna convert it, hopefully, it won't wipe out the two partitions.
Excellent video, but it did not work for me. On Disk 1, I have the OS in the C: partition. As your video shows, I created a new volume/partition. I had two; you had three; I do not have a System Reserve volume on Disk 1. When I try 'mbr2gpt /validate /disk:1 /allowfullos' I still get the error "Disk layout validation failed for disk 0." Both my partitions are Type 7. (I tried a variety of partitioning, none worked).
I had 3 partitions and still wouldn't work. I had to delete D: and merge C: & D: which were on the same 2TB SSD. Worked like a charm after that. Thanks mate 👍
Great Video! This mbr2gpt.exe is not very helpful with pointers about what was wrong and why it didn't validate in my case. After watching your video had a look in those error logs, which was really helpful. In my case it returned Volume: , Error:0x00000012 - which was in fact exactly what you showed at the end. Basically it can't proceed with Extended Partition (Green in Disk Management).. Anyway.. issue is - If someone will be dealing with similar scenario: In my case I had data on this partition, which was crucially important to save without deleting/recreating - some proprietary software with database etc. So.. solution is to use third party software such as AOMEI Partition Assistant, which has a feature called "Convert" Extended to Primary. After doing so - mbr2gpt.exe does its magic with no troubles ; ) And.. Voila! Up to date build with UEFI boot / Secure Boot enabled etc + saved stuff on safe OS. Thank you!
It doesn't work for me, my local disk is disk 4, also if I try it with programs it tells me: invalid configure file or the system partition and boot are on different disks, I don't understand anything.
Almost a great video. Not quite great because it didn't work for me, sadly. I got as far as "mbr2gpt /convert /allowFullOS" and waited, and then: Conversion failed. Cannot creat EFT system partition. Error 0x000036B7. I'm still on MBR. So now I'm back to square one. On disk 0 I had 500 mb NTFS and the C: partition was 465 gb on which I then created a new partition of 500 mb. [Unallocated] so I have now 3 partitions. The validation part worked, "Validation completed successfully" but not the conversion. Can you or anybody help? I've been at this all day and it's now 10 pm. and I'll check tomorrow if anyone has read my problem. Thanks.
Hi, Thanks a ton for this video. This helped me to resolve the UEFI issue I was facing, while converting from Legacy to UEFI. Watched couple other of your videos as well in order to resolve it. Thanks again.
READ THIS IF YOU ARE HAVING PROBLEMS Thanks didn't solve my problem but you showed me exactly where to look for the error to debug. It showed me that my system reserve wasn't on the same drive as my OS which must have happened when I first built my PC apparently when you download your OS you need to make sure you don't have any other drives plugged in because I did and some reason the system reserve was sent to the other drive. So that being said I was able to create a drive letter for the system reserve < original one. Then on my OS I shrinked the volume and created a partition and transferred the system reserve to the new partition it can be complicated but if you are knowledgeable you can handle it there is certain commands in the cmd prompt which "robocopy f:\ e:\ e:/" you will only be able to transfer 3 files the rest well idk I just said screw it. After that I got rid of the letter format and set the partition as active restarted my PC and it allowed me to convert MBR to GPT
Thanks for taking the time to cover this... I had four partitions on my 2TB nvme.... nobody else mentions that this is the problem... Awesome video... you got a new subscriber!
Almost a great video. Not quite great because it didn't work for me, sadly. I got as far as "mbr2gpt /convert /allowFullOS" and waited, and then: Conversion failed. Cannot creat EFT system partition. Error 0x000036B7. I'm still on MBR. So now I'm back to square one. On disk 0 I had 500 mb NTFS and the C: partition was 465 gb on which I then created a new partition of 500 mb. [Unallocated] so I have now 3 partitions. The validation part worked, "Validation completed successfully" but not the conversion. Can you or anybody help? I've been at this all day and it's now 10 pm. and I'll check tomorrow if anyone has read my problem. Thanks.
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TY for this video. Read in setup.err "Disk layout validation failed for disk 1 2021-10-25 14:03:15, Error ValidateLayout: Last partition too close to the end of the disk. Should end at offset 512110173696 or below, found at 512110190592" . After shrinking that volume the validation was succesful.
So I converted the disk and plan to move the os to ssd so I can boot from it and save other data on hdd, I cloned successfully with partition assistant.
Great info in this video, was struggling to get my pc to install windows 11 due to the UEFI issues and validation error. thanks, man! all sorted now. 👍👍👍👍👍
i did it the hard way, too. There is a program offered for no cost @ Paragon.. Admin Command Prompt- mbr2gpt /convert /allowfullos did it for this OptiPlex 9010 PC (after a few checks like disc validation). So far so good, anyway.
Hi I am having issues after following all the step. Seems like window is not starting and asking for a drive to boot. After I reset to legacy something popped up like Grub. Please help me
4:36 , so i will not to be able to change my disk? , i have 2 disk , disk 0 is hdd 1 tb and disk 1 is ssd m.2 240 gb THAT has windows , what can i do i have the "4:36" error and i have no partitions on any disk
As I'm trying to update to windows 11 it says need to enable secure boot. Once I try to enable secure boot in bios and try to save and turn on the computer it says u didn't have any os or disk
Hi, ive done everything in all of your videos but it still canoot validate my disk0 where my C drive is. These are the logs from the setupact: MBR2GPT was explicitly asked to run in full OS mode. 2021-04-05 01:49:27, Info MBR2GPT: Attempting to convert disk 0 2021-04-05 01:49:27, Info MBR2GPT: Retrieving layout of disk 2021-04-05 01:49:27, Info MBR2GPT: Initial partition information 2021-04-05 01:49:27, Info =========================================================== 2021-04-05 01:49:27, Info Partition layout for disk: 0 2021-04-05 01:49:27, Info Partition style : MBR 2021-04-05 01:49:27, Info MBR signature: 2526929673 2021-04-05 01:49:27, Info Number of partitions : 1 2021-04-05 01:49:27, Info ===================PARTITION=============================== 2021-04-05 01:49:27, Info Number: 1 2021-04-05 01:49:27, Info Type: 7 2021-04-05 01:49:27, Info Boot: No 2021-04-05 01:49:27, Info Recognized: Yes 2021-04-05 01:49:27, Info Style: 0 2021-04-05 01:49:27, Info Offset: 1048576 2021-04-05 01:49:27, Info Length: 240054165504 2021-04-05 01:49:27, Info Volume: \\?\Volume{969de309-0000-0000-0000-100000000000}\ 2021-04-05 01:49:27, Info Drive: C:\ 2021-04-05 01:49:27, Info NT Path: \Device\HardDisk0\Partition1 2021-04-05 01:49:27, Info =========================================================== 2021-04-05 01:49:27, Info ESP partition size will be 104857600 2021-04-05 01:49:27, Info MBR2GPT: Validating layout, disk sector size is: 512 bytes 2021-04-05 01:49:27, Error ValidateLayout: Wrong boot partition count, expected 1 but found 0. 2021-04-05 01:49:27, Error Disk layout validation failed for disk 0 2021-04-05 01:49:27, Info MBR2GPT: Partition information at error point 2021-04-05 01:49:27, Info =========================================================== 2021-04-05 01:49:27, Info Partition layout for disk: 0 2021-04-05 01:49:27, Info Partition style : MBR 2021-04-05 01:49:27, Info MBR signature: 2526929673 2021-04-05 01:49:27, Info Number of partitions : 1 2021-04-05 01:49:27, Info ===================PARTITION=============================== 2021-04-05 01:49:27, Info Number: 1 2021-04-05 01:49:27, Info Type: 7 2021-04-05 01:49:27, Info Boot: No 2021-04-05 01:49:27, Info Recognized: Yes 2021-04-05 01:49:27, Info Style: 0 2021-04-05 01:49:27, Info Offset: 1048576 2021-04-05 01:49:27, Info Length: 240054165504 2021-04-05 01:49:27, Info Volume: \\?\Volume{969de309-0000-0000-0000-100000000000}\ 2021-04-05 01:49:27, Info Drive: C:\ 2021-04-05 01:49:27, Info NT Path: \Device\HardDisk0\Partition1 2021-04-05 01:49:27, Info ===========================================================
I guess you have 2 disks. Disk 0 is system disk and the other disk is boot disk. You need to create a boot partition in disk 0 to convert it to GPT. Why you want to convert to UEFI?
My problem is that my disk 0 looks just like yours at the beginning of your video; I go to the shift/restart and computer restarts i get to command prompt x:\ type in mbr2gpt.exe /convert AND STILL I get the validation error. And I do have 21H2.
THIS syntax is correct for Dell Optiplex PC. as well as other Dell PCs withe a recovery partion .>>> mbr2gpt /convert /disk:0 /map:222=ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 /allowFullOS
Can the recovery partition cause, that I receive the same "Disk layout validation failed for disk 0" message? Deleting recovery can help to perform this conversation?
hi, if i have the windows on disk 1, how can i make disk1 as active, it fails with that command. i dont' want to lose data from disk 0, so just convert disk 1 where windows is.
Didn't work with two partitions, increased them to three and it still gave can't find os. I'm thinking the system drive at the front stops it finding it.
Your videos and expertise are super. Here's my situation: I have a 3 NVME drives and a mechanical drive. The break down: Disk 0, mechanical, used for storage, 2 partitions.(Basic Data Partition) displayed for both; Disk 1 has total of 1 partition. Used for storage ((System, Active, Primary Partition) ; DIsk 2 also has a single partition and an install of Windows. (Primary Partition); Disk 3 also only 1 partition and a install of Windows on it. (Boot, Page File, Crash Dump, Primary Partition). I have a dual-boot setup with the option to boot to Disk 2 or 3. Disk is GPT. All others are MBR. Can I convert disks 2 and 3 to GPT so I can install Windows 11? My motherboard supports UEFI. If I have to start from scratch with my two Windows drives, I will be sticking with 10 for awhile. : ) Thanks, Mike
Hello, I got the error; cannot find os partition for disk 2. What should I try next? I had too many partitions, so I deleted the others and left only two. Those are, system reserved and the c: drive partition.
My problem is my " C" drive is Not , Disk "0". My Disk "0" is my M.2. How do I change local disk C ( currently disk 2 ) to Disk "0" ??? My OS is on C and the M.2 is just storage.
Yo what if it says ValidateLayout: Too many MBR partitions found, no room to create EFI system partition. Error Disk layout validation failed for disk 0?
Hi. I'm only having four primary partitions c:, e:, recovery partition and system reserved partition. Yet the mbr2gpt validation fails. I'm having a lenovo ideapad 330 machine. what are the possible reasons?
Hello sir, i have tried to clean install my system so with creation media tool i made usb bootable and then in setup, i deleted c drive 😅 Now, while trying to installing windows in unallocated space or memory, it says windows will install only in gpt disk.. till now it is fine and i found that my pc disk is in mbr partition mode and by default system boots through usb in uefi mode. Now while trying to convert mbr2gpt validation fails like you showed in video and i found solution that i have to delete all partition made by user but problem is that it has important data and remember c drive is deleted so what to do now so that i can not loss data
Hi sir. How i find out that my laptop dell d630. (Windows 10.it's now legacy mode ) to support to convert, and change legacy mode to uefi ? Because i tried twice and failed. First time i am totally got stuck my Windows won't start only blinking cursor on the left top corner on this screen. So install os .second time also happened same.
Hello, Nothing inside error log, I think its because I am running WindowsPE from startup so when I restart PC from there its empty. 1-NTFS Active System Reserved (None) 2-NTFS Primary (C) 3-NTFS Primary (None) When validating: Failed to retrieve geometry for disk -1. Anyone know how to fix this please?
Hi IT army. Hi, I was shrinking my C volume and halfway I had power outage so my laptop went off. When power came back ON I started my computer, everything seemed normal and my C drive showed same memory space available as it had before I tried shrinking it the first time but when I tried to continue shrinking my C volume I got this error "There is not enough space available to complete this operation." I have 416GB available and I want to shrink out 120GB
my drive is set uefi in the system information and gpt formatted. i did this manually during install. however i have recover, system, reserved, primary, and recovery. on this disk. additionally my bios are still in csm mode not uefi. when i set it to uefi it fails to boot but i dont get an error. it just rolls the load icon forever. also my validation fails help
Thank you for this extremely useful tutorial. Precise, to the point and well illustrated. It helped me out when many others failed.
You're very welcome!
Came here after a long struggle to convert from legacy to uefi and finally found the correct video. Thanks man it helped me to change to uefi. This video will be helpful to a lot of people now that Windows 11 is a thing.
Help me pls convert legacy to uefi. Pls
@@gitapatel9842 Are u doing it for windows 11?
@@animeshmishra8285 yep and I have converted just now from legacy to uefi I already have tpm 2.0 so Windows 11 supported now.
@@gitapatel9842 same with me my device support uefi but the thing is I can't switch to uefi . How u did?
@@animeshmishra8285 I used AOMEI partition to convert disk to gpt I got the pro version for free buy a youtube exploit video then I watched some hp laptop videos with my bios on how to change to uefi and enable secure boot.
Pretty good explanation. Thank you so much. I didn't know that the details were right in from of my eyes. I missed the point that the MBR disk had a logical volume in my scenario. So I copied the data to the OS partition, deleted the logical partition and made sure that I only had 3 partitions. Tried converting again and boom! Converted successfully.
Does a recovery partition count? I have followed your video transferring my system reserved file into the same disk as my OS but now I have four partitions: My OS Drive, another usable partition, my system reserved, and recovery drive. Is this the reason why my conversion won't work?
This helped me somewhat. The error was "Disk layout validation failed for disk 0". Had to shrink by only 1MB then it finally agreed to do the convertion
you're a life saver!
Did not know about 3 logical partition limit. Thank you, I will try that.
The UEFI standard has been around from somewhere in the 2005/2010 period, so "if your machine is 8 to 10 years old" in 2019, there is a good chance it has UEFI.
i have a 2011 machine but it legacy
i have 2019 pc it has legacy
My 1st gen i7 and 4th gen i5 both have UEFI options. First gen i7 is on a Dell precision M4500 laptop and my I-5 was on a MSI Z87-G45 motherboard. Both of them support UEFI but I believe only the i5 system had the TPM.
@@GDJannatSubscribe yeh man !
same
This is an informative tutorial, and I also fixed by converting from mbr to gpt with ao mei partition this one is nice.
Great to hear!
this is too complex for me is there any other easy tools😳
Sis you can use partition assistant it helps.
MY MAN!!!!!! u just save my ass, thank you!! Im a dude in distress with legacy mode overshadowing me leptop, and uefi always maketh "no bootable device" forever.. Once again, thanks man! I truly appreciate you detailed instruction. Its help, unlike those mainstream vid which only explain how to succed but no fail anticipation.
Thank you Happy I could help 😊
@@itarmy2778 bruh, i think i found a new problem fer ya! If you convert your allos from either mbr to uefi or the otherway around. When you do windows 10 update, it would crash and you wont even be able to boot cause the system is changed but the hardisk still the previous one. This happen to me yesterday. And i had to install windows in fd from another pc, and run the fd windows to format all the hardisk first, then doing total reinstall. Its quite the labor since running windows in fd were practically much slower than in harddisk
You saved me money and a headache. I didn't understand why mbr2gpt wouldn't work, and 99% of the videos here try to sell software to do this. Just shrinking my main partition on disk 0 did the trick, as it made space for the UEFI partition (which apparently only needs 100Mb). Thank you.
Happy to help you. You can shift to UEFI without converting disk to GPT czcams.com/video/u_ROQyKBDRo/video.html
I've only 2 partitions on my Disk 1 (which is where my Windows are installed) but still got that same exact error, what should I do now?
Wow, you really explained it way way better than some of Microsoft employees did. I am gonna convert it, hopefully, it won't wipe out the two partitions.
Well, I just did. It didn't wipe out any data but it takes little longer to boot the windows, do you know why is that?
Try partition alignment using any disk management tool.
Excellent video, but it did not work for me. On Disk 1, I have the OS in the C: partition. As your video shows, I created a new volume/partition. I had two; you had three; I do not have a System Reserve volume on Disk 1. When I try 'mbr2gpt /validate /disk:1 /allowfullos' I still get the error "Disk layout validation failed for disk 0." Both my partitions are Type 7. (I tried a variety of partitioning, none worked).
hey the same scenario happened with me and i am not able to find any solution on it were you able to solve it?
@@himalayapurswani1147 I am experiencing the same
same problem for me.. do u got any solution...
I had 3 partitions and still wouldn't work. I had to delete D: and merge C: & D: which were on the same 2TB SSD. Worked like a charm after that. Thanks mate 👍
I had a logical partition, you said only primary, so I converted it to primary and mbr2gpt succeeded.
Thanks!
Well done!
After hours of searching this guy has solved my problem in minutes......thank you
You're welcome!
Great Video! This mbr2gpt.exe is not very helpful with pointers about what was wrong and why it didn't validate in my case. After watching your video had a look in those error logs, which was really helpful. In my case it returned Volume: , Error:0x00000012 - which was in fact exactly what you showed at the end. Basically it can't proceed with Extended Partition (Green in Disk Management).. Anyway.. issue is - If someone will be dealing with similar scenario: In my case I had data on this partition, which was crucially important to save without deleting/recreating - some proprietary software with database etc. So.. solution is to use third party software such as AOMEI Partition Assistant, which has a feature called "Convert" Extended to Primary. After doing so - mbr2gpt.exe does its magic with no troubles ; ) And.. Voila! Up to date build with UEFI boot / Secure Boot enabled etc + saved stuff on safe OS. Thank you!
Thank you so much. Without you my laptop would have stuck with window 10. Thank you 🙏🏻
You're welcome!
It doesn't work for me, my local disk is disk 4, also if I try it with programs it tells me: invalid configure file or the system partition and boot are on different disks, I don't understand anything.
I am so happy! you explained it really well! THANK YOU! I was struggling with this error all day!
Glad it helped!, thanks for sub
Almost a great video. Not quite great because it didn't work for me, sadly. I got as far as "mbr2gpt /convert /allowFullOS" and waited, and then: Conversion failed. Cannot creat EFT system partition. Error 0x000036B7. I'm still on MBR. So now I'm back to square one. On disk 0 I had 500 mb NTFS and the C: partition was 465 gb on which I then created a new partition of 500 mb. [Unallocated] so I have now 3 partitions. The validation part worked, "Validation completed successfully" but not the conversion. Can you or anybody help? I've been at this all day and it's now 10 pm. and I'll check tomorrow if anyone has read my problem. Thanks.
Thank you so much for all of your videos on the MBR2GPT topic! You made my day!
THANK YOU. This thing was driving me nuts! Have a nice and peaceful day mate
Thanks, you too!
Hi, Thanks a ton for this video. This helped me to resolve the UEFI issue I was facing, while converting from Legacy to UEFI. Watched couple other of your videos as well in order to resolve it. Thanks again.
Glad it helped
Thank you very much sir. After initially getting an error you brought me back on the right path.
You're welcome!
I converted my disk form MBR to GPT with partition assistant it also works well
Is it a freeware
READ THIS IF YOU ARE HAVING PROBLEMS Thanks didn't solve my problem but you showed me exactly where to look for the error to debug. It showed me that my system reserve wasn't on the same drive as my OS which must have happened when I first built my PC apparently when you download your OS you need to make sure you don't have any other drives plugged in because I did and some reason the system reserve was sent to the other drive. So that being said I was able to create a drive letter for the system reserve < original one. Then on my OS I shrinked the volume and created a partition and transferred the system reserve to the new partition it can be complicated but if you are knowledgeable you can handle it there is certain commands in the cmd prompt which "robocopy f:\ e:\ e:/" you will only be able to transfer 3 files the rest well idk I just said screw it. After that I got rid of the letter format and set the partition as active restarted my PC and it allowed me to convert MBR to GPT
I have a question, can I move the OS to SSD but leave the data on HDD.
Yes, just move system and boot partition
Thanks for taking the time to cover this... I had four partitions on my 2TB nvme.... nobody else mentions that this is the problem... Awesome video... you got a new subscriber!
Glad it helped, Thanks for sub
Almost a great video. Not quite great because it didn't work for me, sadly. I got as far as "mbr2gpt /convert /allowFullOS" and waited, and then: Conversion failed. Cannot creat EFT system partition. Error 0x000036B7. I'm still on MBR. So now I'm back to square one. On disk 0 I had 500 mb NTFS and the C: partition was 465 gb on which I then created a new partition of 500 mb. [Unallocated] so I have now 3 partitions. The validation part worked, "Validation completed successfully" but not the conversion. Can you or anybody help? I've been at this all day and it's now 10 pm. and I'll check tomorrow if anyone has read my problem. Thanks.
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Thank u sir!!! I have been searching for so many solutions but they didn't work, but after watching this video, it does work. Really appreciated😀😀
You are most welcome
TY for this video. Read in setup.err "Disk layout validation failed for disk 1
2021-10-25 14:03:15, Error ValidateLayout: Last partition too close to the end of the disk. Should end at offset 512110173696 or below, found at 512110190592" . After shrinking that volume the validation was succesful.
this didnt help but im thankful for the attempt !!!
You're welcome!
So I converted the disk and plan to move the os to ssd so I can boot from it and save other data on hdd, I cloned successfully with partition assistant.
Excellent, I was able to figure out the problem with my hard drive, thanks a lot
Glad it helped
Great info in this video, was struggling to get my pc to install windows 11 due to the UEFI issues and validation error. thanks, man! all sorted now. 👍👍👍👍👍
Glad it helped
Thank you. Your video have been very helpfull!!
I'm getting the error: "ValidateLayout: First partition too close to the beginning of the disk. Should start at offset 17408 or above, found at 4096"
Try Shrinking the first partition from beginning by few MB using any disk partitioning tool.
how would i fix "Cannot find OS partition(s) for disk 0?"
This was the best explanation much appreciated thanks
Glad it was helpful!
What to do if the error message persists? "Disk layout validation failed for disk 2" (in my case)
Someone please help me...
Same
i did it the hard way, too. There is a program offered for no cost @ Paragon..
Admin Command Prompt- mbr2gpt /convert /allowfullos did it for this OptiPlex 9010 PC (after a few checks like disc validation).
So far so good, anyway.
Thanks for watching!
@@itarmy2778 Thank you, sir, for the time and effort that you expend helping those of us who aren't NEARLY as computer savvy as you....
Very good information. Thank you!
Hi I am having issues after following all the step.
Seems like window is not starting and asking for a drive to boot.
After I reset to legacy
something popped up like Grub.
Please help me
No bootable Device showing right?
Please help me if you have solved it
4:36 , so i will not to be able to change my disk? , i have 2 disk , disk 0 is hdd 1 tb and disk 1 is ssd m.2 240 gb THAT has windows , what can i do i have the "4:36" error and i have no partitions on any disk
you saved my day!!!!! thank you so so much
thanks u bro. u really help me! I think i go crazy with mbr->gtp
Glad to hear that!
Cannot find room for the EFI system partition.? What can happen?
It finally work's now thanks now I can switch to Windows 11
Enjoy!
Great talk on mbr2gpt - thanks for making this, helped me with a layour error - too many MBR
It worked for me. Thanks!
You're welcome!
As I'm trying to update to windows 11 it says need to enable secure boot. Once I try to enable secure boot in bios and try to save and turn on the computer it says u didn't have any os or disk
Brother... Thank you very much. this was the only helping video for me.❤💯
Glad to hear that
Hi, ive done everything in all of your videos but it still canoot validate my disk0 where my C drive is. These are the logs from the setupact:
MBR2GPT was explicitly asked to run in full OS mode.
2021-04-05 01:49:27, Info MBR2GPT: Attempting to convert disk 0
2021-04-05 01:49:27, Info MBR2GPT: Retrieving layout of disk
2021-04-05 01:49:27, Info MBR2GPT: Initial partition information
2021-04-05 01:49:27, Info ===========================================================
2021-04-05 01:49:27, Info Partition layout for disk: 0
2021-04-05 01:49:27, Info Partition style : MBR
2021-04-05 01:49:27, Info MBR signature: 2526929673
2021-04-05 01:49:27, Info Number of partitions : 1
2021-04-05 01:49:27, Info ===================PARTITION===============================
2021-04-05 01:49:27, Info Number: 1
2021-04-05 01:49:27, Info Type: 7
2021-04-05 01:49:27, Info Boot: No
2021-04-05 01:49:27, Info Recognized: Yes
2021-04-05 01:49:27, Info Style: 0
2021-04-05 01:49:27, Info Offset: 1048576
2021-04-05 01:49:27, Info Length: 240054165504
2021-04-05 01:49:27, Info Volume: \\?\Volume{969de309-0000-0000-0000-100000000000}\
2021-04-05 01:49:27, Info Drive: C:\
2021-04-05 01:49:27, Info NT Path: \Device\HardDisk0\Partition1
2021-04-05 01:49:27, Info ===========================================================
2021-04-05 01:49:27, Info ESP partition size will be 104857600
2021-04-05 01:49:27, Info MBR2GPT: Validating layout, disk sector size is: 512 bytes
2021-04-05 01:49:27, Error ValidateLayout: Wrong boot partition count, expected 1 but found 0.
2021-04-05 01:49:27, Error Disk layout validation failed for disk 0
2021-04-05 01:49:27, Info MBR2GPT: Partition information at error point
2021-04-05 01:49:27, Info ===========================================================
2021-04-05 01:49:27, Info Partition layout for disk: 0
2021-04-05 01:49:27, Info Partition style : MBR
2021-04-05 01:49:27, Info MBR signature: 2526929673
2021-04-05 01:49:27, Info Number of partitions : 1
2021-04-05 01:49:27, Info ===================PARTITION===============================
2021-04-05 01:49:27, Info Number: 1
2021-04-05 01:49:27, Info Type: 7
2021-04-05 01:49:27, Info Boot: No
2021-04-05 01:49:27, Info Recognized: Yes
2021-04-05 01:49:27, Info Style: 0
2021-04-05 01:49:27, Info Offset: 1048576
2021-04-05 01:49:27, Info Length: 240054165504
2021-04-05 01:49:27, Info Volume: \\?\Volume{969de309-0000-0000-0000-100000000000}\
2021-04-05 01:49:27, Info Drive: C:\
2021-04-05 01:49:27, Info NT Path: \Device\HardDisk0\Partition1
2021-04-05 01:49:27, Info ===========================================================
I guess you have 2 disks. Disk 0 is system disk and the other disk is boot disk. You need to create a boot partition in disk 0 to convert it to GPT. Why you want to convert to UEFI?
My problem is that my disk 0 looks just like yours at the beginning of your video; I go to the shift/restart and computer restarts i get to command prompt x:\ type in mbr2gpt.exe /convert AND STILL I get the validation error. And I do have 21H2.
Why does the validation fail when there are more than 3 primary partitions ?
Because MBR can have maximum 4 partitions
@@itarmy2778 I have 1 system partition + 3 primary partitions and it fails
I used MiniTool and it messed up and I had to undo things
system partition is also a primary partition
@@itarmy2778 Alright OK. Do i need to shrink the C drive for it to work ?
Because i think it's better to do with the windows tools itself.
THIS syntax is correct for Dell Optiplex PC. as well as other Dell PCs withe a recovery partion .>>> mbr2gpt /convert /disk:0 /map:222=ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 /allowFullOS
This is amazing, very helpful, thanks!
Good good good !!! Thank you very much man!. Work for me very well!!
You're welcome!
well done I am by name Umar yusuf , and my problem is I try to convert but it failed with the note "find room for EFI system partition`` thank you.
Can the recovery partition cause, that I receive the same "Disk layout validation failed for disk 0" message? Deleting recovery can help to perform this conversation?
i cant shrink it in 102400, can anyone help me?
OMG IT WORKED THANK YOU THANK YOU THANK YOU
Welcome!
First partition too close to the beginning of the disk. Should start at offset 17408 or above, found at 4096 #my error
Same here, would love to here if you find a solution
IT WORKS! thanks a ton mate!
obrigado meu nobre, achei o que faltou nos comentários, mas sua explicação é única, parabéns.
hi, if i have the windows on disk 1, how can i make disk1 as active, it fails with that command. i dont' want to lose data from disk 0, so just convert disk 1 where windows is.
I got geometry fail to retrieve for disk 1 how do I fix this
Thank you bro, you Saved my time
Glad I could help
Worked for me, thanks for the detailed info!
it says Failed to retrieve geometry for disk 1
Didn't work with two partitions, increased them to three and it still gave can't find os. I'm thinking the system drive at the front stops it finding it.
Your videos and expertise are super. Here's my situation: I have a 3 NVME drives and a mechanical drive. The break down: Disk 0, mechanical, used for storage, 2 partitions.(Basic Data Partition) displayed for both; Disk 1 has total of 1 partition. Used for storage ((System, Active, Primary Partition) ; DIsk 2 also has a single partition and an install of Windows. (Primary Partition); Disk 3 also only 1 partition and a install of Windows on it. (Boot, Page File, Crash Dump, Primary Partition). I have a dual-boot setup with the option to boot to Disk 2 or 3. Disk is GPT. All others are MBR. Can I convert disks 2 and 3 to GPT so I can install Windows 11? My motherboard supports UEFI. If I have to start from scratch with my two Windows drives, I will be sticking with 10 for awhile. : )
Thanks,
Mike
Convert disk 1 to GPT and then add disk 2 entry in boot 1 UEFI using bcdboot command.
Thank's. I configure my acer aspire laptop. I hit the subscribe button and like as well.
Awesome, thank you!
Thanks for the video. It is super helpful.
Glad it was helpful!
I get error: cannot find room for partition
How to know whether my laptop supports uefi Or not
Hello, I got the error; cannot find os partition for disk 2. What should I try next? I had too many partitions, so I deleted the others and left only two. Those are, system reserved and the c: drive partition.
My problem is my " C" drive is Not , Disk "0". My Disk "0" is my M.2. How do I change local disk C ( currently disk 2 ) to Disk "0" ??? My OS is on C and the M.2 is just storage.
Please share disk partition screenshot
Yo what if it says ValidateLayout: Too many MBR partitions found, no room to create EFI system partition.
Error Disk layout validation failed for disk 0?
czcams.com/video/t0i8hgo1E6A/video.html
@@itarmy2778 How do I change back the volumes from simple to primary. I got frustrated cause The Diskpart wasnt working it froze after some time.
@@itarmy2778 Now its giving me this error Dynamic volumes/Storage spaces are not supported. could you kindly help?
There is no free software to convert dynamic volume to basic in my knowledge. You need to wipe the partitions and do fresh installation.
@@itarmy2778 clearing these partitions in what way? And will that cause me to lose all my data?
How we check my machine is support uefi mode or not
Hi. I'm only having four primary partitions c:, e:, recovery partition and system reserved partition. Yet the mbr2gpt validation fails. I'm having a lenovo ideapad 330 machine. what are the possible reasons?
Hi Ahmad, You should have at most 3 primary partitions.
Should I make Disk where system installed active?
Hello sir, i have tried to clean install my system so with creation media tool i made usb bootable and then in setup, i deleted c drive 😅
Now, while trying to installing windows in unallocated space or memory, it says windows will install only in gpt disk.. till now it is fine and i found that my pc disk is in mbr partition mode and by default system boots through usb in uefi mode.
Now while trying to convert mbr2gpt validation fails like you showed in video and i found solution that i have to delete all partition made by user but problem is that it has important data and remember c drive is deleted so what to do now so that i can not loss data
Thank you so much it was very useful for me.
You're welcome!
Hi sir.
How i find out that my laptop dell d630. (Windows 10.it's now legacy mode ) to support to convert, and change legacy mode to uefi ?
Because i tried twice and failed. First time i am totally got stuck my Windows won't start only blinking cursor on the left top corner on this screen. So install os .second time also happened same.
Thanx alot...finally a good video found
Glad it helped
Excellent it's Working
Enjoy
God bless you for this tutorial
Thank you so much.
Thank you very much! Liked and subbed.
It still doesn't work, I have three partitions and then an unallocated that I can't get rid of
Why does it say for me "cannot find os partition(s) for disk1/disk0???
czcams.com/video/fqY_JLJsw9o/video.html
Hello,
Nothing inside error log, I think its because I am running WindowsPE from startup so when I restart PC from there its empty.
1-NTFS Active System Reserved (None)
2-NTFS Primary (C)
3-NTFS Primary (None)
When validating: Failed to retrieve geometry for disk -1.
Anyone know how to fix this please?
Hi IT army. Hi, I was shrinking my C volume and halfway I had power outage so my laptop went off. When power came back ON I started my computer, everything seemed normal and my C drive showed same memory space available as it had before I tried shrinking it the first time but when I tried to continue shrinking my C volume I got this error "There is not enough space available to complete this operation." I have 416GB available and I want to shrink out 120GB
I'm having the same issue but this example still hasn't fixed the problem. you have any ideas on whats going on
czcams.com/play/PLM5sVArLpvUh473ZWme1entkvEeKLaWm-.html
Cannot find room for efi system partition.
Does not help keeps trying to validate wrong disk
Thanks bro for help 😭
No problem
my drive is set uefi in the system information and gpt formatted. i did this manually during install. however i have recover, system, reserved, primary, and recovery. on this disk. additionally my bios are still in csm mode not uefi. when i set it to uefi it fails to boot but i dont get an error. it just rolls the load icon forever. also my validation fails
help
ok good tutorial, but if it doesn't work for you, don't waste your time, install Mini tool Partition Wizard and easily convert any MBR disk to GPT
Thanks for watching. It is not free