So I just bought my 2nd Arduino board from Ebay and have been trying everything to get this thing working, 1. Downloaded newest version of Arduino 1.6.6 on my iMac running OS X 10.10.2 2. Connected with USB and 2 led lights come on 3. Checked and made sure correct board was selected 4. UNDER TOOLS>PORT> MY ONLY OPTIONS R .........- /dev/cu.Bluetooth-Incoming-Port /dev/cu.Bluetooth-Modem /dev/cu.Lukesiphone-WirelessiAP 5. when trying to upload Blink Example I get Arduino: 1.6.6 (Mac OS X), Board: "Arduino/Genuino Uno"
avrdude: stk500_recv(): programmer is not responding
Any help would be greatly appreciated! Do I need to burn a boot loader or can I even do that without a Serial port, and if so then which one do I install, Please HELP!!!