My d-link DAP-1320 connects to my wireless airport extreme but not internet

dlink dap-1320

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You posted your question in December 2013.
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you need to call apple airport technical support number and take the suggestion from their for this
the number is+1(800)-726-0294

APPLE AIRPORT SUPPORT NUMBER 1 800 726 0294 APPLE AIRPORT TECHNICAL PHONE...

The antennas in the Macbook Pros have had an issue with reception due to the aluminum housing of the laptop but, should still receive decent reception just not as much as a plastic Macbook or plastic PC laptop. It could be possible that the antenna's cables have become disconnected from the Airport Extreme card inside your Macbook Pro, that the card itself is faulty or damaged or that the Antennas themselves have been damaged in some way. As always make sure you have the latest updates and have installed any driver updates from Apple regarding your Airport Extreme card. Here's an article that may help eliminate any wireless interference that may be affecting your signal strength. Apple - Wireless Interference hope this helps, if so don't forget to comment, vote, etc. Thank you.

Not sure what you have tried yet, so I'll suggest the first thing to try ...
The cable modem will have an ethernet jack on it for "LAN" - you will need an ethernet cable ... plug the cable into this jack .. and the other end of the cable into the airport extreme .. and then power up the airport extreme .. if the airport extreme is new, it will set itself up automatically .. if not new, it might still set itself up automatically - look for a green light on the extreme ... if you have a green light you should be in good shape
Of course your computers have to be in range, say within about 100 feet of the extreme to pick up its wireless signal.
In the MacBook, make sure Airport is turned on - in System Preferences under Network.
Your MacBook should figure things out all by itself and you should be able to connect to the Internet.
On the PC, you'll need a wireless card if you don't already have one ...

You should be able to use the internet simultaneously and each computer should be able to share files if you want to try that (file sharing is turned off by default on the Mac, not sure about the PC)

Good luck!

For AA speaker tapes and PA system help with feedback and echo, see my blog at rexark.com

Buy a Wireless Router.
Select any of this following:
LinkSys

NETGEAR

Belkin

D-Link

Good luck!

You can learn how to quickly speed up your MacBook from: http://www.speedupmacbook.com/

have you reset the airport extreme? theres a tiny hole you can push in w a paperclip. Also, do you have the latest firmware?

You should only use Windows xp for running a program that is not yet available from Apple. There shouldn't be much reason to link to the net while in Windows. Also while in Windows you are wide open to any viruses that exist. Try getting your work done without getting on the net, then go back to your Apple format. There you are 99% free of viruses. … Still need to link onto the net let me know I will ask at our Apple Computer Club on Monday

Dale