First off, welcome to the forums, this place has the most knowledgeable people on the web! You'll surely find answers to many if not all your questions.
Now, are you connecting your pc through WiFi? If so, then your X is only acting as a wireless router or an internet connection. You'll have to either physically connect your X via mini USB cable or through Bluetooth if that is an option for you. Let me know if that makes sense and surely correct me if I'm wrong.