Macbook Says Airport Card is Uninstalled?

I bought a Spring 2010 13" Macbook Pro refurbished from Apple in late April of 2011. Two weeks later the airport card failed and Apple installed a new one for me. Everything was fine until July 28th 2012, since then i've had nothing but problems with both the airport card in my computer and the service at the local Apple store.
Sometimes when I wake my computer back up the WiFi symbol isn't connected and it says something along the lines of "No Airport Card Installed" or "Airport card Uninstalled". At this point I have to make an Genius Bar appointment and drive to the Apple store and they give me some kind of band-aid solution that only works for the day, or just a couple hours and then I no longer have internet again.
I went through this process (no connection, Genius Bar appointment, and then my airport card fails later that day or the next day) about 5 times. Sometimes two appointments with the genius bar in the same day.
Finally one of the Geniuses recommended that pay $107 for a new airport card and this would fix the problem, so I did. When I got my Macbook back it worked for 3 days, so then The Genius bar gave me yet again another band-aid solution (zapped my P-Ram or something) and sure enough it worked for a day and then I lost connection again.
I brought it back again and one Genius said they would take it in, look at it and go over the whole computer carefully. He also said that it is not an Airport Card issue, but possible a connection to the airport card. He also said that I might need to buy yet another part, but that the $107 I already paid would go toward that part, which I appreciated.
So I got my computer back 2 days ago and all they did was install another Airport card and today my Aiport card failed again. Did they even listen to me? When I got it back from them and told me they put a new airport card in I said we talked about this and that wasn't the probelm, and they just corrected me and said that it was the problem. What?! They didn't even read over any of the notes they took down from my last visit!?
I have been to the Genius Bar about 7 or 8 times now (I would have gone more but I was out of town for a week) and I'm not getting the right answer for a busted computer that I have only had for about a year. Are they keeping something from me? This has been an awful experience despite how kind everyone acts at the apple store.
Thanks for reading, I hope someone out there has a solution for me.

Given your experience I believe it's unlikely the problem is due to a failed AirPort card. You replaced it twice and it failed twice. I would pursue another cause, but there is nothing left to do on a MBP except to replace its logic board.
If you did not purchase AppleCare your warranty has now expired, and a new motherboard will approach the cost of a brand new MacBook Pro. Considering the circumstances, I would appeal to a Genius to consider the repair efforts conducted so far and discuss the most inexpensive solution. Good luck!

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my Macbook says no Airport card installed?

Thanks for your post, and welcome to the Apple Support Communities.
Resetting the following may help the issue:
OS X Mountain Lion: Reset your computer’s PRAM
http://support.apple.com/kb/PH11243
Note: Resetting PRAM may change some system settings and preferences. Use System Preferences to restore your settings.
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
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David White15:
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