Add Yahoo as a preferred source to see more of our stories on Google. If your laptop has an Ethernet port, plug an Ethernet cable into it and attach the other end to the router. No Ethernet port?

Sarah is a freelance writer and CNET How To blogger. Her main focus is Windows, but she also covers everything from mobile tech to video games to DIY hardware projects. She likes to press buttons and ...

I don't try to run Ethernet cables to every device in my home. Instead, I use it for specific tasks, and I save time in the ...