Youve probably already checked this, but one user at least has done this: check that the wireless switch is on. I dont deal USR, I am a D-Link user. But I will try to help, what chipset is your wireless card?? both the external and internal ones..

__________________
NODE ID: 194
NODE NAME: Efenthar

Kung-Foo Webdesign
<a href='http://www.kung-foo.co.nz' target='_blank'>http://www.kung-foo.co.nz</a>