[ubuntu] Can't find my own wifi network

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http://ubuntuforums.org – Hi All, I ahve just re-installed Ubuntu 10.04 and have come across a problem. When I put the disc in and ran live it found and connected to my home wifi network, now it wont find it. It will find my neighbors networks just fine and the windows xp partition I have connects just fine. I assume the wifi adapter is working fine, as like I said it will show my neighbors connections. This is rather annoying as it will find theirs through walls and who knows what distance but wont find mine that is about 8 feet away from the machine. I have run iwlist wlan0 scan and that wont find it, the (Hardware)