solved, I have tried this:
Short 'BAT' with 'GND', then connect USB cable to power on.
and upload the test code of Arduino.
and the screen is working again!
Thank you for your answers
I hope this works for someone else
solved, I have tried this:
Short 'BAT' with 'GND', then connect USB cable to power on.
and upload the test code of Arduino.
and the screen is working again!
Thank you for your answers
I hope this works for someone else