Yeah... quick... and... sleepless in munich
Two things you might check...
1. That there is no other software occupying the port
2. A good reset never failed phones sometimes need that
I've d a bit and found you're not alone . One posting I've found said to take the cover off. Sounds funny but it might help for testing
This might help also: http://www.nokia.com/cda1/0,1080,1406,00.html