Windows 8.1 update Alienware X51 R2 Wireless Issues

Hello,

I have recently upgrade successfully to windows 8.1but after I did, the wireless network is gone.

I've been looking for drivers for a week now. The latest official network drivers are from 05/12/2013.

Any idea about when are the new drivers coming? 

Is there a proper channel to inform or to ask for the updates?

Thanks in advance