Yeah, sometimes the slot can be a problem or a conflict with another device.  Also, some of these only work with specific channels set (1 or 11 or something like that) and you must match that to your wireless router or other external device as well.  One thing to watch for once your card apparently works is losing connectivity and not being able to get it back without a restart, reboot, or, in the worst case, a hard reset of the computer.  This is why I dumped another Linksys card as it was constantly doing this to me in 64-bit.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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