@SamHaLeKe No idea so far, except do you have in UEFi the option to activate CompatibilitySupportMode (CSM), may also be named Win 7/Others or Legacy mode? The CSM button might be gray, and only get electable after secure mode is set to acxtive; or vice versa. What happens if you try to boot again from your installable Win 10 bootable USB flash drive now? Is that stick still booting properly now? regards, daddle
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