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10-21-2022 03:21 PM
10-21-2022 08:08 PM
In order to enable secure boot, you would need to reinstall W10 in EFI mode.
From what you have written, you have W10 installed in Legacy mode which uses the MBR boot structure.
Secure boot requires Windows to be installed using the GPT boot structure.
So that is why you can't enable secure boot.
No boot disk is detected because the MBR and GPT boot structures are not compatible with each other.
To install W10 in EFI mode, you have to select the EFI USB flash drive from the F9 boot options menu and not the Legacy one.
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