Issue uploading to an Arduino Nano

  • Click on the menu near the top of the screen that says "Arduino Nano".
  • Click "Select other Board & Port"
  • From the Boards menu, select "Arduino Nano"
  • From the "Flavour" menu, select "ATmega328old"
  • If necessary select the port of your Nano.
  • Click "OK"
  • Try uploading again.