First of all, make sure that you have the latest drivers and firmware installed. Also, make sure that you're using the correct version (Windows 7 x86/x64). Here's the razer downloads directory. Razer Support
For future technical support questions, you may want to update/revise your system specifications via your User CP. In many cases, this is the only way supporters can get the required information to diagnose your problem. Make sure to use the exact model numbers of all your hardware, the more detailed the better.