Mac Book Air Not Connecting to wireless network

I use Trendnet TEW-653AP Access Points in my office

Everyone connects fine but having issues with a MAC Air

I can connect to the next door nieghbor's wireless but not mine.

I am confgured as:

WPA Pre-shared key
Wpa2 Mixed
phone number as shared key

I have tried changeing to TKIP and AES same issue

What am I missing???

Cjoego
Joseph SalazarVice President - Senior IT ConsultantAsked:
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EdTechyCommented:
If you have Mountain Lion 10.8 you may try upgrading to 10.8.5. There are stability issues with MacBook  Air wireless that supposedly have been corrected in this update.
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Joseph SalazarVice President - Senior IT ConsultantAuthor Commented:
What is the Best configuration I should have on the Trendnet for the mac to access.

Once gain I can connect elsewhere Just not here.

Cjoego
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EdTechyCommented:
I would use WPA2 Personal. I have used it for all types of macs and they work well with it.
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sweetfa2Commented:
Does your network limit mac address connections?
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Joseph SalazarVice President - Senior IT ConsultantAuthor Commented:
I have tried wpa2 Personal and several others....

Running out of ideas.

Worst of all....It's the "Owners" Mac

Cjoego
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EdTechyCommented:
You could try to throw away the airport preferences, restart and setup the connection again.
Sometimes the preferences get corrupt and this helps.
The file is located here: yourhardrive>Library>Preferences>SystemConfiguration>com.apple.airport.preferences.plist
Throw this file in the trash and restart, then reconfigure your airport connection.
You could also zap the PRAM which will reset some configurations.
Start the computer while holding the p-r-command-option keys all at the same time. keep them held down until you hear 3 startup chimes. Let go and the computer will startup normally. This could clear any buggy issues.
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Joseph SalazarVice President - Senior IT ConsultantAuthor Commented:
Yep This did the Trick,

Cjoego
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