can't upload sketch to arduino

hello,

i can't upload sketch arduino have idea need fix it. try lot of things.

i have windows 10
and mjduino uno r3

avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xa9
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xa9
probleem bij het uploaden naar het board. zie http://www.arduino.cc/en/guide/troubleshooting#upload voor suggesties.
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xa9
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xa9
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xa9
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xa9
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xa9
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xa9
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xa9
avrdude: stk500_recv(): programmer not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xa9

Arduino Forum > Using Arduino > Installation & Troubleshooting > can't upload sketch to arduino

arduino