Upload Problem resp=0xda

Hello People,

I faced a error today when I try to upload a sketch to arduino, it was working before and somehow it does not now. Reset button also does not work, I have tried every generic fixes on forum or internet however no help yet.

The error I got is

avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xda Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.

I wonder what can it be? Or my arduino uno is just broken now?

Any ideas?