Hello! It is possible that your device radio is corrupted. Go to the link P posted below, and create a new thread explaining your issue. Someone will be able to help you

http://forum.ppcgeeks.com/forumdisplay.php?f=66

Hi,my name is Mircea and im from Romania.can u help me please with a problem? i have a htc touch diamond and my wi-fi adaptor is not turning on anymore..i selected the ,clear storage,app and since then is not working anymore..thanks!