I tried that and when I used Tegra, nothing happened-Black screen.
I was worried I had bricked the console maybe, but a hard reset brought it back. I put back the old files I replaced and it reproduced the same problem again with the above...
Probably some files got corrupted or you are not properly configured that why it won't run, easiest would just be to setup latest atmosphere and hekate.
Hadn't played the Switch in a while.
Tried resetting the Sd card, the card also reads fine on a computer, and I’ve confirmed it shows up in the Switch system settings. I've never had any issues with this process before and have had years...