Need an internet connection for your PC or laptop, but do not have access to public Wi-Fi? Connect your smartphone's mobile connection to your PC.

Patrick Marshall answers your tech questions. This week's topics cover troubleshooting a computer that fails to connect to the internet over Wi-Fi and why Excel files suddenly can't be viewed or ...

You can change your local IP address from the network settings controls menu on a PC, Mac, or phone. Your public IP address can be changed by resetting your router or connecting to a VPN. You ...