title: Arduino Uno r3.. avrdude error while uploading
body: <p><img src="https://i.stack.imgur.com/NQ4QM.png" alt="enter image description here"></p>
  
  <p>I recently bought a genuine Arduino Uno r3 .</p>
  
  <p>As soon as I plugged it in it showed me the device name as 'ATmega16u2 DFU'.. but after a lot of google searches, I burned some hex files onto it and now the device is read in the COM ports in the computer as Communication Port 3, if I install specific drivers for it (.inf files) under the device manager it comes Arduino Uno r3..</p>
  
  <p>The problem is when I try to uploadthe code it says (The RX Led flashes 3 times but then nothing happens..)</p>
  
  <pre><code>Binary sketch size: 444 bytes (of a 32,256 byte maximum)
  
  Estimated used SRAM memory: 9 bytes (of a 2048 byte maximum)
  avrdude.exe: stk500_getsync(): not in sync: resp=0x00
  </code></pre>
  
  <p>I already checked that I am selecting the correct COM and BOARD from the IDE. Installed the board with tons of diferent drivers... ( I have win7 x32).</p>
  
  <p>Do you think this is some driver related issue, defective board or something else ?</p>