Samsung EVO 970 M.2 500 GB UEFI Secure Boot for WIN 11


RWS_Rasta

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All, I had an issue not passing the secure boot Win 11 upgrade test. The bios would not recognize my M.2 flash drive as the UEFI boot, and I would have to force the computer to boot up my M.2 in a menu. After much consternation and research, I fixed it. I updated the mobo bios a few days ago and that fixed the TPM 2.0 issue I had before but that didn't fix the secure boot issue.

So after looking at all the NVME driver pages, and many other rabbit holes, I fixed my computer in about 20 minutes. The problem with the flash drive M.2 boot partition is that it was an MBR, not GPT. It has to be GPT. So here is how you fix it. I had to go through the restart troubleshoot recovery menu to get to the command prompt that I needed. It wouldn't let me do it from Windows.

 

My Computer

System One

  • OS
    WINDOWS 10
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self built
    CPU
    AMD Ryzen 2600X 3.6 GHz 6 Core
    Motherboard
    Asus Rog Strix B450-F
    Memory
    Corsair Vengeance LPX 32 GB
    Graphics Card(s)
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    Monitor(s) Displays
    3 Acer XZ321QU 31.5" Curved WQHD
    Screen Resolution
    2560x1440 each , can combine to one large desktop
    Hard Drives
    Samsung EVO 970
    Case
    Same case for 25 years

iko22

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Welcome to Eleven Forums RWS_Rasta

Just a tip, if you had used mbr2gpt /convert /allowFullOS instead of mbr2gpt /convert, to carry out the conversion, then it probably would have worked from Windows.

I don't suppose you are too concerned, as you managed to succeed via the recovery environment.
 

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    TBA
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    TBA

RWS_Rasta

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True, but when I was in Windows, it said I wasn't an administrator and it wouldn't let me execute commands from there. I am indeed the admin on my computer, but I didn't want to deal with it and did it from the troubleshoot command prompt. Thank you for your input.
 

My Computer

System One

  • OS
    WINDOWS 10
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self built
    CPU
    AMD Ryzen 2600X 3.6 GHz 6 Core
    Motherboard
    Asus Rog Strix B450-F
    Memory
    Corsair Vengeance LPX 32 GB
    Graphics Card(s)
    Gigabyte GeForce RTX 2060 6 GB AORUS Extreme
    Monitor(s) Displays
    3 Acer XZ321QU 31.5" Curved WQHD
    Screen Resolution
    2560x1440 each , can combine to one large desktop
    Hard Drives
    Samsung EVO 970
    Case
    Same case for 25 years

iko22

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(y) Ah! An administrator user account is not what was required in that situation. Instead use an administrator command prompt (sometimes known as an Elevated Command Prompt). The administrators command prompt can be started by typing cmd into the search box, then right-mouse clicking on the search result, and select "Run as administrator". There are several CMD commands that only work when started inside an administrator command prompt.
 

My Computer

System One

  • OS
    Windows 10
    CPU
    TBA
    Motherboard
    TBA

RWS_Rasta

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Thread Starter
Local time
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Ha! ok. I'm not up to date on cmd anymore. Thanks for sharing that.
 

My Computer

System One

  • OS
    WINDOWS 10
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self built
    CPU
    AMD Ryzen 2600X 3.6 GHz 6 Core
    Motherboard
    Asus Rog Strix B450-F
    Memory
    Corsair Vengeance LPX 32 GB
    Graphics Card(s)
    Gigabyte GeForce RTX 2060 6 GB AORUS Extreme
    Monitor(s) Displays
    3 Acer XZ321QU 31.5" Curved WQHD
    Screen Resolution
    2560x1440 each , can combine to one large desktop
    Hard Drives
    Samsung EVO 970
    Case
    Same case for 25 years
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