There are several reasons why your PC might not be able to connect to Wi-Fi. You should first make sure that your PC's Wi-Fi adapter hasn't been turned off, or needs to be reset. The issue might also ...

For example, I see an item named "Dulce" in Wireless Network Watcher, which is the name of my wife's MacBook. I see another with no name, but with "Philips Lighting BV" as the network adapter ...