Airport (wireless) missing ...

hi,
need some advise on airport wireless on macbook pro.
recently, i have some software problem (snow leopard - hang!)... i've reinstall the OS by "erase & install" option.
but after the installation, the airport wireless is missing... the airport icon (small little fan icon) is not on the status bar anymore.
i've tried re-booting (PC way of working) ...
i've tried the system setting, but airport is not even available...
anyone has any other suggestion or ways to re-activate the airport wireless ?
thanks !

wanderer..
I had a similar issue, firstly if you go to ABOUT and view all the hardware on your computer is it listed? I would also suggested doing a standard reinstall of you os, in this case snow leopard, if for some reason the drivers were not reinstalled it wont recognize the card. hope that helps. make sure to follow up so we know.

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