Omnia PC connection problem

[Guest ReKiller1000]

I have a Omnia and i installed WM 6.5

But now i have a problem:

When i connect my omnia with my pc normally starts activesync, but now it wont start anything.....

I tried everything but nothing worked, what can i do???

Information:

PC: Windows 7

Omnia 8 GB WM 6.5

Thanks for reading this ;)

(sry for my bad english, im dutch.)