Solved
Tesla DeLoreanBest answer
Guru
Nov 20, 2019 9:37 PM UTC
Could be an issue with the port or cable.
Or that you've shorted something out, or damaged the board.
There is no need to attach manuals, a web link will suffice.
You could try connecting the BOOT pin to VDD if you think it is something related to code you recently uploaded.
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