The last two options are option so don’t worry if you cannot do them.

Compatibility Support Module (CSM) – disabled.

Proceed to UEFI, and set the following options as listed: In addition, back up all your data before you start. Remember to unplug all other hard drives except for your Windows drive. To begin, you will need a working Windows 10 installer in USB or DVD. How to Perform a Fresh Install to Fix UEFI Error In this case, you should allow the Windows installation format your disk to the ideal GPT structure. If the problem persists – whether due to missed steps in the instructions or because the error simply won’t disappear – then prepare to back up your data. This time, you are ready to try the update again. #3: Have Another Try at a Windows 10 Upgrade.

exit – This is for leaving diskpart.exe and closing command prompt.

list partition – This command will verify that that the partition was created.

create partition msr size=128 – This will create a 128MB partition, a Microsoft-recommended size.

List partition– This will display all partitions on the selected disk.

select disk # – Where # is the actual disk number as displayed in list disk in step number 2.

If not, you need to convert your hard drive to the GPT format and then perform a clean install of Windows 10. If that’s the case, you can move on to the succeeding steps.

If you find an asterisk (*) mark under GPT, then that means your system is using the GPT partition structure. What follows is a list of all your disks. Do this by typing in diskpart and hitting Enter. Afterwards, Create the MSR Partition.Īre you still following? If yes, great.

Once the Command Prompt in admin mode opens, start by typing in the following commands.

Next, right-click Command Prompt > More > Run as administrator.

Follow these steps carefully: #1: Run Command Prompt as Administrator. But bear with us as we enumerate the steps to fix the problem during your attempts at a Windows 10 update. Sure, this sounds technical and quite a handful right now. This is used on Unified Extensible Firmware Interface ((UEFI)/GUID Partition Table (GPT) disks. You can resolve this issue on your own through creating a Microsoft Reserved Partition (MRP). The “unsupported disk layout for UEFI firmware” error simply shows that the partition structure of your hard drive is unsupported by the Windows 10 version that you aim to upgrade to. Start by understanding what this error means. What can you do anyway if you can’t update Windows 10 because of an UEFI error? How to Fix UEFI Error to Update Windows This can be a rather intimidating issue for many Windows 10 users, particularly if it emerges for the first time. About Outbyte, uninstall instructions, EULA, Privacy Policy. Compatible with: Windows 10, Windows 7, Windows 8

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