I have a TP-LINK router broadcasting Internet, and I connect to it via my internal WiFi chip in my laptop.
I also have an external TP-LINK WiFi chip which cannot broadcast WiFi, even not Ad-hoc.
I have a Motorola Xoom [android 4.0.3] tablet which can broadcast Ad-hoc.
I connect to the Motorola Xoom via its Ad-hoc capabilities via my external TP-LINK chip, and the internal connects to the router.
The android tablet doesn't have its WiFi independent internet connection, so the Ad-hoc network does not give me an internet connection.
The reason I do it is because the router is far and between the computer and tablet I get poor performance [less than 500kbps and high ping].
The problem is: When both connections are established, I can ONLY access the Tablet, and although my Windows 7 64bit says that there's no internet connection [and the internet does have a connection] - it doesn't give me internet connectivity, it "tries" to connect via the ad-hoc connection.
How can I configure my network so I'll get an internet connection from my internal WiFi, and LAN only via external WiFi, without interference?