Fatal esptool.py error "Timed out waiting for packet header"

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Re: Fatal esptool.py error "Timed out waiting for packet hea

By JoeT
- Wed May 03, 2023 8:12 am #96324 Thank you Quick-Fix. Yesterday afternoon I got there by noticing (in Device Manager) that two devices were both assigned to port COM3 - one of them the CH340 driver, the other a Communications Port driver. By reassigning port numbers, the issue was resolved.
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