Navigate to your Diagbox installation folder (usually C:\AWRoot\bin\fi\ ) or the folder containing your downloaded drivers.

Look for an "Unknown Device" or "ACTIA" entry under Universal Serial Bus controllers. Update Driver: Right-click the entry and select Update driver . Choose Browse my computer for drivers .

Updating the driver is only half the battle; the inside the 9780.Z5 must match the version of Diagbox you are running. Psa Xs Evolution 9780z5 Driver Upd

If your PC does not automatically detect the interface, follow these steps to manually update:

The (often referred to as the Lexia 3 or Diagbox interface) serves as the hardware bridge between your car’s OBDII port and your computer. The driver allows the operating system—typically Windows—to recognize the device as a "USB Com Board Driver" or "ACTIA USB Device."