Maybe try the tinfoil method instead, but maybe your switch is not able to get homebrew, check underneath your switch where you plug in the charger. There you should see a paper with XAJ or XAW. XAW9 or XAK.
This could be your problem because if you try to boot a payload with a non hackable switch your screen will stay black. Please send me your serial to me on discord so i can check it for you. My name is Noaawie #5075
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Sorry if it's complicated but in more simple way, The "newer" consoles can't get homebrew because they got patched