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Topic: avrdude: ser_open(): can't open device "\\.\COM8": Access is denied. (Read 1 time) previous topic - next topic

CarlosVital

Hello everybody.
I've got a problem I can not solve.
I have a Arduino Uno with the installed drivers.
When sending some type of code.
For example blink, an error appears.

I have another Arduino Uno and everything is fine with that.

If anyone can help me grateful.


Error:

avrdude: ser_open (): Can not open device "\\ \ COM8.": Access is denied.


Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 1 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 2 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 3 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 4 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 5 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 6 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
avrdude: stk500_getsync () attempt 7 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 8 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 9 of 10: not in sync: resp = 0x25
avrdude: stk500_recv (): programmer is not responding
avrdude: stk500_getsync () attempt 10 of 10: not in sync: resp = 0x25

SantinoPrice

Try a loop-back test on the defective board and let me know the outcome. The instructions for the test can be found at the top of this subforum.
Need help troubleshooting problems with your Arduino (Uno, Mega or Pro-mini) have a look at my book on the kindle store.
 Arduino Troubleshooting

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