Your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with (nor for advice on) your project
See About the Installation & Troubleshooting category.
I suggest that you show your sketch. One point might be that you're using while!Serial) in your setup() which will block till a terminal program connects to the Arduino; but we don't know for sure as we have not seen your sketch.