I have the same issue as some previous posters: Computer: MacBook Pro OS version: 10.9 My internet connection works perfectly when I am plugged into the router with ethernet. However, when I unplug...

I have a similar problem. I'm on a Macbook Pro with OS X 10.9. If I plug my computer into the router with an ethernet cord, I have zero problems. If I connect through wifi, both Safari and Firefox...