The specific instructions for how to turn WiFi on and off can vary by make and model of laptop, but there are generally two steps to enable WiFi on your computer. If you can't find your answer here, refer to your computer's user guide or support center.
Step 1: Turn on WiFi with a switch or function key
Step 2: Turn on WiFi in the computer settings
If you haven't done so, you may also need to enable WiFi on your modem.