I have all the drivers installed. Its a setting, driver or something else. I can get my computer to recognize and install drivers and use any device, as long as it is plugged into a self powered USB port expander. The expander will work on any of the 3 USB ports. Any device not run thru the powered expander will not be recognized, or power up. Any device plugged into the expander works just fine. I can plug in my small keyboard light in any USB port and it lights up though. I'm at a loss. Windows 8 Enterprise N (x64) build 9200.win8_gdr.120926-1855