There may be something interferring with the current channel you have the router to use. If you have not already, try using differnt channels.
Last night my linksys wireless router stopped working for apparently no reason, and I soon found out that the only thing to fix this was changing the broadcast channel my router is currently using.
For some reason channels 1-4 do not work at all on my router anymore, whereas before they were my strongest channels.
Trying to connect my housemates XP home pc with a netgear wifi adaptor to either the FON social router or our inventel orange livebox connection. TheNetgear interface and the windows wireless network interface say the connection is active but neither firefox nor IE will connect to the internet. The router(s) are connected though, I'm posting this from my computer connected via and ethernet cable and have tested my other housemates connection (he's using a Belkin adaptor) the settings on the two wirlessly connecting PCs match up but one still won't connect. Has anyone got any ideas?