Hello teosssss,Did you verify with the Device Manager that you are connected to the correct COM port and also that his port settings are the same as yours?To check the COM port and settings, follow these steps:Open Device Manager.Expand the Ports (CO...
Hello @JLope.11,Welcome to the ST community! Can you share with us the code or more details about it?
Also, as AScha.3 said which optimizer do you use? It differs if you use Keil or IAR.
Thanks,SMSAD.1
