Beverly

I have a macbook and an linksys router. I purchased the router in 2009 its an N. about a week ago, my wireless quit working. my roomie who has a dell and i, who has a macbook, cannot get onto the interent. NOw, i can get onto the internet with a ethernet cord but not wirelessly. any help in this matter would be greatly appreciated. i have had the router for only 1 1/2 years. thanks again