Ted,
Can you verify that you have a Nano clone?? It could be that you have a Raduino that is not from HF Signals.? HF Signals uses Nano clones with the CH340 series of USB interfaces.? The ATMega328p (Old Bootloader) is used for that clone.? Try the ATMega328p to see if that works.
You can also try unplugging the Nano from the Raduino and run just it off of the USB cable.? There may be a power drain on the Raduino board that is causing it to fail.? The Nano will get power from the USB port.
Pictures of the boards would help.?
You could order a Nano clone (should be less than $10 from Amazon or eBay) to see if the bootloader is corrupted/different for the Nano that you have.
I could not find a single Nano for sale.? The above link is for 3.
Arduino Nano V3.0, Nano Board CH340/ATmega328P Without USB Cable, Compatible with Arduino Nano V3.0
73
Evan
AC9TU
