Zed-bull V508 Software Download Fix Better -

The Zed-Bull often requires its external power adapter to be plugged in before the USB connection is established for the PC to "see" it.

If you get “Component not registered” errors: Zed-bull V508 Software Download Fix

: If Windows fails to recognize the device, open Device Manager , right-click the unrecognized Zed-bull entry, and choose "Update Driver." Select "Browse my computer for drivers" and point it to the Drivers folder in your software download. The Zed-Bull often requires its external power adapter