Can't get on the Internet? Can't print to network printer? It's bound to happen sooner or later. Wired Ethernet networks are pretty reliable, wireless ones can be brutally finicky. But no matter what type you're using, it's good to be prepared for networking failures in the future.
When there is a networking problem, the knee jerk reaction may be that there is something wrong with the computer. Perfectly understandable.
But the first step in debugging a networking problem should not involve any of the computers. Rather, you should look at the lights on the box(… Read more