Originally Posted by bagelred
Modem/Router is Actiontec GT704WG
That's your biggest problem there. It's only G rated, which gives around 300ft of range, if indoors, and around 1750ft of range if it's unobstructed (quite hard to get, unless you're setting up a roof-top to roof-top connection.
Your laptop is Wireless N capable, but you would need a new router. Us here at the Tech-Forums could help you setup a new router, which would be the best solution, honestly.
Newegg.com - BELKIN F5D8236-4 IEEE 802.3/3u, IEEE 802.11b/g, IEEE802.11n Draft 2 N Wireless Router - Wireless Routers
That would be a great router. I had the G version, and used it until I switched to N.