Superslim7> The channels should match the AP. So 1-11 are ok in North America. The non-overlapping channels are 1,6,11 and these are the most commonly used, but the key thing is that it must match the AP.
Ziabis> Have a read of this page
http://wifi.aximsite.com and then create a new thread letting us know how far you get.
TechnoGuy> Is it the Dell Utility you want to disable or the wifi? Can you elaborate? You actually want the Dell Utility to stop working?