Not exactly sure what your trying to say.
If you uninstalled the Beta driver then installed the 3.13 driver:
If the device is not recognized.
Go into the Device manager and remove the 3DConnexion device
Next click on Action
Scan for hardware changes,
(Win 7 may have a icon if you click on it it will refresh the page)
This will rescan and locate the device thats plugged in.
Next click on start driver
You device sholuld now be recognized corectly.