Internet and Network Connection Problems
If you haven't been able to get Ubuntu connected to the Internet (or a network), the most likely cause is that your wireless/network card hasn't been detected correctly. Other people have probably had the same problem with the same network card before, so it's always a good idea to search online to see whether you can find specific instructions on setting up your card. You're not guaranteed to find something useful (or intelligible), however, so I've provided some general instructions on diagnosing connection problems and installing network and wireless card drivers in this section.
Finding the Cause of a Connection Problem
There are so many different causes of connection problems that it can be difficult ...
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