How do I see serial monitor & port?

I see nothing on Windows Terminal and Mac Terminal. No com ports or /dev/tty.usbmodem?

Did you install the windows usb driver and did you have a Serial.begin() in your code?

yes. but I see nothing on Arduino ide terminal… no port

Does DFU mode work?

Yes, but I can’t see serial monitor and port for Raspberry Pi zero, w, 3.
Core, I can see port and serial monitor.

Does your device manager list the Photon as a device?

Did you flash an code to get an serial output?

void setup() {

void loop() {
    if (Serial.available()) {
        char ch =;
        if (ch == '?') {
            Serial.print("Hi ParticleIce - running ms()=");
    Serial.println("Hi ParticleIce - type in a '?' and press enter");