My mac pro laptop cannot access the internet which is cable thru airport extreme any suggestions

My Mac pro cannot access the internet cable but is connected to wi fi thru airport extreme. my apple desktop works fine on the system and sits next to my laptop. any suggestions

"I have an ethernet cable in port 1 on my computer. That is configured manually to access ther office network."
Do you have a "real" IP address or a private (192.168.x.x, 10.x.x.x, 172.x.x.x) IP address?
"The wireless router was connected to the company server only for the purpose of getting me online through Airport because I couldn't access it using an ethernet connection"
Could not access it because their network security blocked you by intent, or had some unknown technical difficulty?
Unless you are blocked by intent or ommission (if they have to explicitly allow your machine) I can think of no technical reason why your wired connection should not both get you on their network and on the internet in general. You should not need to be dual homed (though dual homing should work as well).
Please answer the questions above when you can - I think solving the wired LAN issue will be easier if you are not being intentionally blocked.

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Hi ya,
Need a little help!!
I have just bought an Equium P200-1IR.
I have turned the wi fi on.
I can see my router which is Talk Talk.
I can get the laptop to connect to the router and it says that I am connected,
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I tried the same process by inserting a wi fi dongle into the USB port
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Waynec

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This should be checked!
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My mac pro laptop cannot access the internet which is cable thru airport extreme any suggestions

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