OK I'm having a problem with adding a networked printer. I have a Lexmark X4650 Wi-Fi printer, but that's not where the problem starts. When I go to Control Panel, open Devices and Printers, then click ADD A PRINTER, nothing happens... No wizard, no printer, nothing at all. I'm using Windows 7 RC1 Build 7100. Has anyone else had this problem and if so, any fixes?