WiFi isn't working on Uno WiFi rev 2

Apple Mac OS 14.4.1
Firefox 125.0.1
Arduino IDE 2.3.2  
Arduino C++
Arduino Uno WiFi rev 2

#include "WiFi.h"

void setup() {
  Serial.begin(9600);
  Serial.println("go");
  WiFi.status();
  Serial.println("done");
}

void loop() {}

After uploading, the Serial Monitor shows "go", but not "done". I have been unable to get .status, or any other WiFi function, to work.

1. The Uno WiFi rev 2 has nothing attached to it.
2. It is connected directly to the computer USB port.
3. The firmware for the board is version 1.5.0.
4. Rebooting the board changes nothing.
5. Rebooting the computer changes nothing.

How do I get WiFi.h running correctly?

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