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Pretty much what noodle (eldente) said, just make sure it is hardwired to your router. You can also run speedtest.net and make sure you are getting CLOSE to your advertised speed, it will rarely be at it but if it is way below (like 20-30 MBs) I would give comcast a call and make sure they have the correct speeds setup in their system that you are paying for. They can also check for bottlenecks and slow downs from their end.