Can't detect my wireless network

Hi,
A few days a go I started having problems with my Wirless connection. My Macbook Pro can seem to find it anymore. It can be gone for a week, and then out of nowhere it pops up again and works for a day or two. My iPhone connects fine to the network. I might add that the airport card totaly stoped working for a week a while ago, but it also just started working by it's self.
I'm running Mac OS X 10.6.4 and I'm using an D-Link DIR-655 as router with Firmware ver. 1.21EU
I can see all my friends networks in the dorm (and connect to them), but I cant see mine. Rly strange..
anyone have any idea what it could be?

Hi, I too am having the same problem. The MBP won't detect only my network but detects all other networks in the neighborhood. And mobile phone connects to my network. This has happened earlier too, but just sorted itself out on its own.
Thanks

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