iPad 1 can't find any WiFi networks

Hello, I was wondering if this has happened to someone else or you know how to fix it.

My iPad 1 32GB 3G can't find any WiFi network signals. I've tried multiple different locations and nothing seems to help. I've reset the network settings, and I'm running iOS 5.1.1

Bluetooth and 3G both work fine.

Is there a WiFi antenna that may have come loose?

Any advice would be great. Thanks

Source: http://forums.macrumors.com/showthread.php?t=1425052&goto=newpost

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