When I'm on my laptop in my bedroom (upstairs) my wireless connection is usually 4 or 5(max) bars. I noticed yesterday it was down to one, and at this moment it's only two. I was wondering if someone could possibly be using our internet, and if they are, would that make my connection worse? And if not, maybe someone could tell me why it's really low. I have a 250ft ethernet cord I bought, just the wire and custom made plugs on both ends so I can run it up here for my Playstation, but I can plug it into my laptop as well. My wireless router is a Linksys WRT-54G.