Yes it depends on the model, some have the software switch to enable
I will post the link to the recommended drivers from Intel
Just unzip and place in a folder and in device manager update to this version, even if you have to force it
http://downloadcenter.intel.com/Detail_ ... 4&lang=eng
I do not use or like the proset software
I let windows manage the connection
The 2100b are junk
I toss them out and replace them all the time
Lack of throughput and even signal quality is the issue with these very dated cards
I would as soon as possible upgrade to at minimum to a 2200bg card
Its 10 times better and only $10 on eBay
Alex