Error overring baud rate

what should i do yet? there is the error overring baud rate 115200. and i don't know how to fix it

The proverbial crystal ball is still in the dishwasher...

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Please post the whole error that you are having.
And please post the error using the code formatter:
_________________________________/
Screenshot 2024-12-18 101957

     Using Port                    : COM4
     Using Programmer              : arduino
     Overriding Baud Rate          : 115200

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x43
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x43

I am fairly sure I have seen several hundred of this error. There is a search feature on the forum, hint!

usual suspects

  • did you select the right board / options for that board?
  • did you select the right port?
  • do you have a data USB cable in good conditions?
  • do you need a driver for that Arduino?
  • do you have the right boot loader in your arduino ?
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You probably have selected the wrong board and or boot loader. Click the button under the dishwasher and you will find it.

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