How about your serial port ?  I just jumped in, so forgive me if I'm redundant.  
If you do not know which port is being used, unplug your USB-to-radio cable at the computer end. Re-plug it and watch for a small notice specifying the port to which the computer connected it. Verify that CHIRP is looking at the correct port.
I just went through this, within the past half hour. Good luck. I'm a newbie, here, too. 
Dave

Sent from my iPhone 
DSP

On Nov 5, 2015, at 1:08 PM, Ray Nelson via chirp_users <chirp_users@intrepid.danplanet.com> wrote:

I've downloaded the software & installed. I keep getting error message the radio is not connected. What am I doing wrong?

Sent from my iPad
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