05-27-2011, 03:01 AM
2010 Mini you can easily open up. If you can get to the Airport antenna, or it's connector on the motherboard, you can visually inspect them yourself to see what's going on.
Start here:
http://www.ifixit.com/Device/Mac_mini_Model_A1347
Jeff
Start here:
http://www.ifixit.com/Device/Mac_mini_Model_A1347
Jeff