Router: Linksys Wireless-G Broadband Router (with 4-port switch) Model: WRT54G it is passworded and wireless light IS lit up.
Laptop: Dell Inspiron 9300

I live in an apartment in college and the laptop has been connecting just fine to my router for the past 6 months. Then about a week ago it starts acting funny. In the bottom right hand corner the icon with a computer with waves has a big red X over it, obviously saying I am not connected to the wireless router, that is just down the hall.

I try to connect by clicking on it and finding my network which is the very first on the list and it takes a very long time trying to connect and can't. Then I right click the shortcut on the desktop labeled "wireless network connection" and disable it.

1. I then Re-enable the wireless and the "wifi" symbol on my laptop lights up like always and then try to connect to my network again, but same results as before, can't connect after trying for about a full minute.
2. Then I restart both modem and router, still no luck.

I try the internet and the web page loads yet the network list says "not connected" on my router/network. I try it out for a bit to find when the connection is like this it is VERY unreliable, it will suddenly stop just when surfing the web and say "unable to

3. So I then I right click the bottom right icon and click repair. It Does the steps then at renewing IP address it tries for a very long time and can't do it.

Another very strange thing is that when I am looking at the networks in range it says by mine "not connected" yet in the paragraph says "You are currently connected to this network. To disconnect from this network, click disconnect below."

This just doesn't make any sense, it always says I don't have internet on the bottom right, yet some parts say I am connected. Also this just randomly started not working, and just this weekend my friend brought his PC with a wireless adapter and easily connected to my network while i could not.

I am on my desktop at the moment that is plugged into router which is plugged into my modem and everything is fine. This problem seems to have occured when I just started playing Super Smash Bros. Brawl on my wii with WiFi and it connects almost insantly, think this could have messed things up? Please, I am baffled at what the deal is with my laptop and/or router any advice is MUCH appreciated.