Arduino "Problem uploading to board" hatası

[UG28]

Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x06
Avrdude: stk500_recv(): programmer is not responding.
Avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x06
Problem uploading to board.

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