- Hard disk with multiple bad sectors. But I'd like to avoid paying for a piece of Software I will only use one time. Go to Disk Converter, select "Convert MBR to GPT" and click "Next" to continue. c) reagentc /info. MBR2GPT: Validating layout, disk sector size is:. /validate Instructs MBR2GPT. WinPE_X86_PSmountoot2. Copy. Type mbr2gpt /convert /disk: [enter your disk number here] /allowFullOS and press Enter to begin the conversion. My guess the partition responsible for booting your system is on a different disk than the OS. When I tried mbr2gpt /validate /disk:2 I get ERROR: MBR2GPT can only be used from the Windows Preinstallation Environment. exe is a new built-in Windows 10 console tool that allows you to convert a disk with the MBR (Master Boot Record) partition table to a GPT (GUID Partition Table) without data loss and without the need to delete existing partition. Open the Run dialog (Windows key + R) and type diskmgmt. 39 1 8. 1) The internal command line application MBR2GPT. Cannot find room for the EFI system partition. The data disks aren’t supported. In Windows XP 64-bit, GPT disk can be used for data storage instead of system installation. (see screenshot below) 3 When the conversion has successfully completed, you will need to boot to UEFI firmware settings, and switch the firmware to boot to UEFI mode instead of Legacy BIOS (CSM). Use /allowFullOS to override. If Disk2 is partitioned using MBR, then you can use mbr2gpt. In Specify what to run after restart,. I'll see if I can recovery. exe is a new built-in Windows 10 console tool that allows you to convert a disk with the MBR (Master Boot Record) partition table to a GPT (GUID Partition Table) without data loss and without the need to delete existing partition. Also, small world as we have a few of that model Probook at the. Now boot your computer using the Windows 10 USB pen drive. The tool is designed to be run from a Windows Preinstallation Environment (Windows PE) command prompt but can also be run from the full Windows 10 operating system (OS). The MBR2GPT. First, we cannot use the MBR2GPT to convert non-system disks from MBR to GPT, so you don’t need to consider using the mbr2gpt on ALL of your Harddisks. select disk <disk number> clean convert gpt exit. GPTかどうか調べる cmdでdiskpartと入力。 diskpart. MBR disk only supports 4 primary partitions or three primary partitions plus one extended partition. You can also choose to run the MBR2GPT. If the boot partition is already formatted with GPT, the UEFI boot can be set up using the Windows boot media. That means that the prerequisites are met. In this article. Converts a disk from MBR to GPT partitioning without modifying or deleting data on the disk. The command for the purpose is mbr2gpt /validate /disk:1 /allowFullOS. When converting from the Recovery Environment, the existing bootable "System Reserved" partition may be reused as long as it isn't also used for the Windows or Recovery partition, and is between 100MB and 1GB in size. diskpart select volume E inactive exit. Right-click on the Windows icon and click on "Disk Management". mbr2gpt /validate - failed to retrieve geometry for disk -1. Use /allowFullOS to override. One of the other requirements is not to have any extended partitions, look to the primary rule of only having 3 partitions, on the reason why that's the case. Go to Disk Converter, select "Convert MBR to GPT" and click "Next" to continue. I have attenpted to change to uefi using win10 adk. However i contacted my backup company because I was having problems restoring back to original to try again, and they gave me this advice. After that, you have converted MBR to GPT. type: diskpart. 2 In the disk (ex: Disk 3) that you want to convert, right click or press and hold on each partition (volume) on the disk, and click/tap on Delete Volume until the disk shows as unallocated. mbr2gpt. exe /convert /allowfullos. I'm working on a new Windows 10 build and I have been having some issues. These changes cannot be undone! MBR2GPT: Attempting to convert disk 0 MBR2GPT:. I'm trying to convert my system to UEFI to get ready for the Windows 11 release. If conversion is successful the disk can only be booted in GPT mode. – harrymc. Right-click on the volumes of the target disk and click "Delete Volume". Then click on Apply to execute the conversion. Click the Turn off your PC option. MBR2GPT will now attempt to convert the default book disk. exe /convert /allowfullOS. PS C:\Users\Marcelo Pires> mbr2gpt /validate . If the MBR disk is with BitLocker-encrypted volumes, it is recommended to suspend the protection at first. The command for the purpose is mbr2gpt. If not specified, the. Restart your computer. I then tried to start with a Windows 10 install disk. 3. You need to run it from another os ( or winpe) point it at the disk and convert to gpt. Use /allowFullOS to override. After Windows is installed, if you need to switch firmware modes, you may be able to use the MBR2GPT tool. See the below screenshot. Here's my suggestion: Boot up Windows. You can have a max of 4 partitions. But you can clone partition to partition also. These changes cannot be undone! MBR2GPT: Attempting to convert disk 1 MBR2GPT: Retrieving layout of disk MBR2GPT: Validating layout, disk sector size is: 512 bytes Cannot find OS partition(s) for disk 1Namely, MBR can only handle four primary partitions and 2TB of drive space. <bcd_guid> is the Boot Configuration Data (BCD) identifier of the target Windows installation, obtained by running bcdedit -enum -v. Then you can reboot the computer to change the boot mode. In Boot tab the Priority order must remain Windows Boot Manager set first at all times. MBR2GPT. To access it, right-click the Start menu or press Windows Key+X and select "Disk Management. msc and click Run as Administrator. You just need to wait until MiniTool Partition Wizard opens automatically. If conversion is successful the disk can only be booted in GPT mode. I used Windows' DISKPART tool to identify the disk I want to convert. Then create new volume and format with a file system. MBR2GPT. However, this happened: C:WINDOWSsystem32>MBR2GPT. All my systems on my Asus laptop were boot from such BIOS/MBR/CSM mode, including Win8 and all my Linux. In the Disk Management window, right-click the disk you want to check, and click Properties. EXE tool to convert the MBR disk to the GPT partition format. Step 3. exe is a Windows built-in tool used to convert a disk from MBR to GPT. Enable UEFI boot and UEFI Secure Boot. Under the new group, add the Restart Computer task sequence step. The data disks aren’t supported. You would have to copy the contents elsewhere or make a backup, then. ; Under the "Advanced startup" section, click the Restart now button. Note: My system was already booting in UEFI mode to a MBR disk, which is why there was no BCD data in the typical location. Note: Since the existing MBR system partition is in use while running the full Windows environment, it can't be reused. UEFI - what is it? UEFI, the "Unified Extensible Firmware Interface", the old one has been said for some time BIOS substitute. boot into safe mode, run mbr2gpt /convert /allowFullOS, then restart and enable UEFI. 【以下の条件が必須. ”. MBR2GPT will now attempt to convert disk 0. Then you will be able to use mbr2gpt on drive 1. One thing to note about the mbr2gpt command is that it can only be used for the Disk that contains the Windows partition. There is no dispute about that. exe – это встроенная консольная утилита Windows 10, которая позволяет сконвертировать диск с таблицей разделов MBR (Master Boot Record) в таблицу GPT (GUID Partition Table) без потери данных и без необходимости. Ahva intends to use the GPT partition style. MBR2GPT: Before the new system can boot properly you need to switch the firmware to boot to UEFI mode! STEP 3 Reboot your PC. You can use MBR2GPT to: Convert any attached MBR-formatted system disk to the GPT partition format. 4. If it somehow doesn't, "installing from scratch" also includes the option of archiving the main partition to an image with dism. In the command prompt window, input mbr2gpt /disk:0 /convert /allowFullOS and then press Enter. ; Click on Update & Security. You need to change your firmware to boot to UEFI mode. Following are the steps you need to take for conversion of MBR2GPT: Step 1: Start backing up your system disk to prevent unexpected errors. Step 1. – Ramhound. Restoring an MBR System image to UEFI/GPT - KnowledgeBase v7. Jul 28, 2021. The relevation that the author is actually attempting to use operating systems while in EFI Only mode was made clear in a comment. . Do that on the outgoing disk, enable UEFI boot mode, make sure it works, and then just make an image backup of your converted disk to use as-is for your new disk. Now type CONVERT GPT. There is no MSR partition. MBR2GPT. Select the disk to convert > Right-click the MBR disk and choose "Convert to GPT" > Click "Apply" to commit the changes. If it boots normally, shut down, attach drive 0 and drive 2, boot from drive 1 and set drive 0 as non active. " Because MBR2GPT was used, the partitions aren't standard: the recovery partition (System_DRV) comes first, followed by the EFI partition and the C drive. msc into Run, and click/tap on OK to open Disk Management. Then follow the hints to finish converting MBR to GPT. MBR2GPT: Validating layout, disk sector size is: 512 bytes . Next, copy and paste this command in Command Prompt window, and then hit Enter. These changes cannot be undone! MBR2GPT: Attempting to convert disk 0 MBR2GPT: Retrieving layout of disk MBR2GPT: Validating layout, disk sector size is: 512 bytes MBR2GPT: Trying to. 7) if it fails, you can restore image backup of partition. Convert MBR to GPT CMD using Diskpart utility (Need to Delete Partitions) Tip 2. Now just run mbr2gpt to do the conversion, for example the below will convert disk 0 to GPT. Use the command detail partition to see if it's marked as "Active No", and if so type the Active command. While the process is fairly quick with the Gptgen tool, the general. Once the disk is converted to GPT, and you can create a New Simple Volume. Post images of the command with results. – harrymc. Step 1. EXE /convert MBR2GPT will now attempt to convert the default book disk. Attachments Below Will Show My hard drive partition configuration. In case you want to make a conversion of MBR2GPT, you can make use of professional software. exe can be run from the full OS, or in WinPE, it should be run before the conversion of BIOS to UEFI during an in-place upgrade and most preferably in WinPE. Also, when you’re fully running on the new disk, go back and enable the UEFI Secure Boot feature. EXE" to convert the VM disk from MBR to GPT. Additionally, if you already have an EFI directory, that also means Windows was installed in UEFI and not Legacy mode. 2. MBR2GPT: Retrieving layout of disk. There is no MSR partition. Type: exit. First type mbr2gpt /validate /allowFullOS Enter. These changes cannot be undone! Unlike older methods requiring a backup of your data and reinstalling Windows, the MBR2GPT tool makes it easy to change the partition style quickly. The disk partition you wish to convert appears. Windows will recognize your other HDD. Type mbr2gpt /allowFullOS /validate /disk:<disknumber>. ERROR: MBR2GPT can only be used from the Windows Preinstallation Environment. If conversion is successful the disk can only be booted in GPT mode. Press “ Shift + F10 ” keys together on the keyboard to open the command prompt window. 2. i get the following output . Type select disk 1 to tell diskpart you’d like to perform an action on a disk. The MBR2GPT only supports converting MBR system disk to GPT. These changes cannot be undone! MBR2GPT: Attempting to convert disk 0 MBR2GPT: Retrieving layout of disk MBR2GPT: Validating layout, disk sector size is: 512 bytes MBR2GPT: Trying to shrink the system partition In this article. - Use a tool like AEOMI Partition Assistant and convert it to MBR. Press Windows + X together on your keyboard and click Disk Management in the list. To run the tool. exe is a new built-in Windows 10 console tool that allows you to convert a disk with the MBR (Master Boot Record) partition table to a GPT (GUID Partition Table) without data loss and without the need to delete existing partition. - Shrinking or defragmentation failure due to system files, locked files. C:\WINDOWS\system32>mbr2gpt. The only item available in the "Troubleshoot" menu is "UEFI Firmware settings. 2 Terabytes. UEFI firmware can install Windows 10 to MBR, but the UEFI BIOS must be set to Legacy Mode. Example Reagentc /enable /osguid {00000000-0000-0000-0000-000000000000} Be careful, make system image before. Next, copy and paste this command in Command Prompt window, and then hit Enter. Here’s how: Step 1. If validated then continue with the conversion: mbr2gpt /convert /allowfullos . Initially I had Win10 loaded and things were fairly stable and was able to run the conversion to GPT and utilize UEFI. Now, type convert gpt to convert the MBR partition table scheme into GPT partition table scheme. MBR2GPT: Retrieving layout of disk. Do NOT run MBR2GPT in Windows. In addition, it can work on all. Even though the tools gptgen and mbr2gpt. MBR supports disk size up to 2TB, to use the capacity beyond 2TB, you can convert MBR into GPT. Click the Troubleshoot option. You can't use the tool to convert non-system disks from. On EFI systems, Windows can only installed on GPT disks. . However, this happened: C:\WINDOWS\system32>MBR2GPT. Blackskull . If conversion is successful the disk can only be booted in GPT mode. If you use it to convert a data disk, you can receive an error: MBR2GPT cannot find OS. 5. mbr2gt is very finnicky. 2) You can delete SRP first to reduce MBR partitions to 3. Step 2. As an alternate approach, you can use the MBR2GPT. Note: Disk Management can only convert data disk instead of OS disk to GPT with certain kind of conditions listed in the front of this article (the same ones as mbr2gpt convert cmd). Change the boot type to UEFI mode instead of Legacy Mode or. If the utility returns “MBR2GPT: Validation completed successfully,” then you know you are ready for the. MBR2GPT: Trying to shrink the OS partition. If conversion is successful the disk can only be booted in GPT mode. If conversion is successful the disk can only be booted in GPT mode. Supported drive size: While it can read drives above 2 TB, anything over 2 TB will be unusable. 1. These changes cannot be undone! MBR2GPT: Attempting to convert disk 2 MBR2GPT: Retrieving layout of disk MBR2GPT: Validating layout, disk sector size is: 512 bytes MBR2GPT: Trying to shrink the OS partition MBR2GPT: Creating the EFI system partition Cannot create. exe tool SELECT DISK SYSTEM command. 5) If it boots ok, you can remove old partition. Note that Windows can use a GPT disk in Legacy Mode, as long as this is not the system. Open the command prompt by typing cmd in the search box of the Windows 10 toolbar. Back to the main interface, click on “Apply” to commit the operation. Use /allowFullOS to override. Right-click “ My Computer/This PC ” -->” Manage ”-->” Disk Management ”. 不管我們在使用MBR2GPT轉換時遇到任何障礙，它都可以輕鬆搞掂。 同時，無論是遇到“MBR2GPT not found“, “MBR2GPT missing” 還是“MBR2GPT can only be used from the Windows Pre-Installation Environment”，它都能輕鬆解決。它的界面簡潔清晰，即使是生手也能輕鬆使用。Confirm that Windows is installed to an MBR partition. When trying to use the 'mbr2gpt /validate' command in cmd its telling me "Can Not Find OS Partition (s) for Disk 3". If conversion is successful the disk can only be booted in GPT mode. exe is only used to convert. mbr2gpt /validate /disk:0 /allowFullOS . By default, MBR2GPT is blocked on Windows 10. If conversion is successful the disk can only be booted in GPT. By default, this tool can only be used from the Windows Preinstallation Environment. c. On Windows, the max is 128. So if you have an Exchange Server mailbox database growing more than 2 TB, you need GPT. The author has 3 plus an extended partition. If conversion is successful the disk can only be booted in GPT mode. Regardless of the tool you use, you will have to reboot to switch from BIOS to UEFI after you've run the tool. exe can only work with Windows 10 version 1703 or later. And multiple partitions cannot be converted to GPT partitioning without. The selected disk has an MBR partition table. If you use VMware, Hyper-V virtual machine, you just need to select this ISO file and boot from it. As mentioned earlier, MBR2GPT is used to convert all MBR formatted system disks to GPT. Here are the comprehensive instructions for updating to Windows 11: Step 1. In 2021, the law was changed to. exe in both active mode and WindowsPE. Right-click on the target disk, and select " Convert to GPT Disk ". Finally, execute the commands “ list disk->select disk #->clean ->convert gpt ” to convert the disk from MBR to GPT. Dans cet article. Several techniques are available to access one of the superior experiences in using MBR2GPT. If you want to convert a MBR disk with only data to GPT, you have to run third party software. These changes cannot be undone! MBR2GPT: Attempting to convert disk 0 . By default, MBR2GPT. MBR2GPT will now attempt to convert the default book disk. The AHCI/IDE setting can usually be found under SATA settings under the. <bcd_guid> is the Boot Configuration Data (BCD) identifier of the target Windows installation, obtained by running bcdedit -enum -v. In addition, you can only create maximum 4 Primary partitions on a MBR disk. Use /allowFullOS to override. As an alternate approach, you can use the MBR2GPT. In the cmd elevated command prompt, type mbr2gpt /convert /disk: n /allowfullOS. Select “Deployment Tools” and “Windows Pre-installation Environment (Windows PE), and click “Install”. This tool can be used within WinPE, I suggest you. Here was the entry I found in the last line the last time I got the failure error: ValidateLayout: Last partition too close to the end of the disk. Step 2. The MBR2GPT tool will work only if your system meets the. The mbr2gpt tool can be used to convert the partition table both in Windows PE (Windows Preinstallation Environment). (see screenshot above) You can. MBR2GPT: Retrieving layout of disk. Press Win + R keys to call out the Run dialog box, and then type diskpart in the box and hit Enter. EXE converts a disk from Master Boot Record (MBR) to GUID Partition Table (GPT) partition style without modifying or deleting data on the disk. delete system partition first. You can access the command prompt by pressing Shift + F10 at the screen asing for language. MBR2GPT can convert within the OS by adding the /allowfullos. All versions of Windows Vista/XP/7/8/8. It won’t work for any data disks that don. If you want to upgrade to Windows 11, you should convert the MBR system disk to GPT, so many users want to use MBR2GPT for Windows 11. Once you’ve confirmed the conversion can take place, now remove the /validate switch to perform the conversion for. If conversion is successful the disk can only be booted in GPT mode. Completely erase (clean) disk 1 and convert it to GPT. 1 Press the Win + R keys to open Run, type diskmgmt. One of the potential causes of MBR2GPT disk layout validation failure is the incompatible Windows version since the MBR2GPT. This command converts the disk in question (disk 0) to a GPT disk, which is used in UEFI. Nov 4, 2022 at 10:51. cmdで以下をコマンド。. C:WINDOWSsystem32>mbr2gpt. As for the GPT disk, it almost has no limitation to the number of partitions. tenforums members repeatedly recommend the routine use of. MBR2GPT には、次のような関連するリターン コードがあります。Limitless Technology 42,981. “ 0 Likes . My hard drive is already GPT, so the validation failed, but you get the idea. The way to convert a boot able Legacy-MBR to a boot able UEFI-GPT is to use MBR2GPT. Edit it to select the correct disk #. exe facilitates migrating from a Legacy BIOS configuration to full UEFI on qualified systems in a non-destructive fashion. Step 2. In order to install Windows on a GPT partition, you must have UEFI mode enabled, and either have a EFI partition or your entire HDD must be unallocated space. As a result, UEFI is a viable upgrade and. Convert MBR to GPT using Diskpart: Backup all your data and then use the DISKPART. MBR2GPT: Retrieving layout of disk . Click on OK to confirm that you are converting an OS disk to GPT. MBR2GPT - posted in Windows 10 Support: I have used the MBR2GPT validate command without the /allowFullOS in the Windows Recovery Environment (RE) and it worked. mbr2gpt /validate type send then mbr2gpt convert. If all goes well, you should see a successful message. Disk layout validation failed for disk 1. exe /convert /allowFullOS. Using MBR2GPT to validate the partition. You can use this tool to. - Move the data off, delete the partition, set it to GPT, create a partition, move the data back. It also has only one fluent speaker left, something linguists. 1) You cannot use mbr2gpt if 4 MBR partitions to start with - from log you can see it creates EFI first then does conversion to GPT. The only other thing i can suggest is try using Windows PE. Shut down, detach drive 0 and drive 2 (SATA or power cable), on BIOS select drive 1 as boot priority and try to boot. exe. See also Convert MBR to GPT - Without any OS. Run the following command: mbr2gpt. Step 2. Select the target MBR disk that you tend to convert to GPT, and click "Convert" to start the conversion. 4. Type “ Diskpart ” into the CMD window. GPT supports Cyclic Redundancy Check (CRC) for the integrity of data, while. IM-Magic Partition Resizer ensures that you can carry out the conversion process under a few clicks with a 100% safety. 4. Step 2. Confirm the UAC dialog if it appears. The only item available in the "Troubleshoot" menu is "UEFI Firmware settings. Ahva intends to add the hard disk to a storage pool. diskpart. - Specifies the directory for logging. exe to convert MBR to GPT (Complicated, Suitable for Advanced Users) Figure B. e. When using this tool, the conversion process. MBR2GPT. Reboot the computer and run mbr2gpt /validate. /disk:<diskNumber> Specifies the disk number of the disk to be. Use gdisk (not gparted) for the data disks. exe has been run. Windows cannot be installed to this disk. MBR2GPT: Validating layout, disk sector size is: 512 bytes. Step 2. However, I found that my USB is booted only in EFI style, and Windows 10 is refusing to be installed to my BIOS/MBR/CSM mode system when my USB is booted in EFI style. Notes: ☞ You should ensure that your computer supports UEFI before. bcdboot C:Windows /s C: /f BIOS. wim" REM NOTE: The following can only be run from the. Select the target MBR disk that you tend to convert to GPT, and click "Convert" to start the conversion. Being a command line utility, MBR2GPT. /disk: Specifies the disk number of the disk to be converted to GPT. The syntax of the command is as follows: MBR2GPT /validate|convert [/disk:] [/logs:] [/map:=] [/allowFullOS] Here is a brief description of the available command line parameters. Validate if your disk can be converted. Type select disk * (replace * with the disk number that you want to remove partitions on) and hit Enter. 3. The drive will appear as a single area of unallocated space. 1/10, Windows Server 2003/2008/2012/2016 can use GPT disk to save data to. Then use it create an esp partition in unallocated space. How to convert MBR to GPT in Windows Server 2022 with MBR2GPT command: Make a system backup in advance and make sure your computer supports UEFI booting. There is enough space not occupied by partitions to store the primary and secondary GPTs: 16KB + 2 sectors at the front of the disk; 16KB + 1 sector at the end of the disk; The other requirements to use MBR2GPT is as. C:Windowssystem32>mbr2gpt /convert /disk:0 /allowFullOS . C:\WINDOWS\system32>mbr2gpt /validate ERROR: MBR2GPT can only be used from the Windows Preinstallation Environment. msc and hit Enter to open the Disk Management window. I was then able to use mbr2gpt /convert and the conversion worked! Nothing was lost (other than a lot of hair), and I checked the system with PC Health and got confirmation - the system requirements for Windows 11 are now met!. exe /disk:4 /convert /allowFullOS. Boot into Advanced Startup Options screen > Troubleshoot > Advanced options > Command Prompt. This option overrides this block and enables disk conversion while running in the full Windows environment. MBR2GPT tool. xml error, you can try resetting the WinRE settings in the ReAgent. Convert Windows 10 from Legacy BIOS to UEFI without Data Loss. In reply to Windows 10 new tool MBR2GPT. Step 2. Please read through this tutorial Convert MBR Disk to GPT Disk in Windows 10 from the searchable tutorials list which you may care to bookmark: Windows 10 Tutorial Index You will need to check your Mobo supports UEFI. Use mbr2gpt /convert /allowFullOS Enter to proceed with the conversion. Only the data drives should be GPT. You can't use the tool to convert non-system disks from MBR to GPT. Use gdisk (not gparted) for the data disks. 20. If you are converting an OS disk, you will be asked to enable UEFI Boot mode from BIOS. MBR2GPT usually works just fine. The drive will appear as a single area of unallocated space. GPT supports much more and is only limited by the OS. Best Way to convert MBR to GPT without Losing Data (For Beginners) Tip 1. MBR has 4 partition entries, so it can contain 4 primary partitions, or 3 primary + 1 extended (which is used to host logical drives). I can confirm first-hand that deleting the partition will break booting, even though it appears to be a redundant leftover from using mbr2gpt with /allowFullOS on an OS drive. Note: You will be only able to convert an MBR disk to GPT if the disk does not contain any partitions or volumes. Type clean. exe through the command prompt. C:\WINDOWS\system32>mbr2gpt. GPT supports all sizes of drives. MBR2GPT will now attempt to convert disk 4. If you have any other external storage. Click the system disk and choose “Convert to GPT” from the right toolbar. Select the target MBR disk that you tend to convert to GPT, and click "Convert" to start the conversion. Right-click “ My Computer/This PC ” -->” Manage ”-->” Disk Management ”. Create an EFI System Partition (100 mb), restore the C: drive image to the rest of the drive. Have not altered bios selecting from legacy yet. Then reboot into BIOS and change boot mode. MBR2GPT: Retrieving layout of disk. Aug 3, 2023, 1:34 AM. Type the following command to close the console and press Enter: exit. You need to change your firmware to boot to UEFI mode. 7 GiB where the OS is installed. If conversion is successful the disk can. 2) You can delete SRP first to reduce MBR partitions to 3. You’ll back to the main interface, confirm your operation and click “Apply” > “Proceed” to perform it. 2) Después de la conversión: Debemos entrar en la BIOS/UEFI, y cambiar el método de boot, configurando que utilice UEFI y no “Legacy BIOS”. first before running the convert.