The driver is not merely a file; it is the translator between your operating system and the diagnostic tool.

To ensure your interface is ready to scan a vehicle, check its status in Device Manager.

Proper functionality of the 9780.Z5 requires a stable driver connection between the hardware and your Windows PC. This article provides a comprehensive guide to finding, installing, and troubleshooting the Actia PSA XS Evolution 9780.Z5 driver, particularly on modern systems like Windows 10 and 11. 1. What is the Actia 9780.Z5 Driver?

: Displaying and clearing stored and current fault codes with full descriptions.

Can run modern versions of Diagbox (v9.XX), but requires absolute adherence to the driver signature bypass instructions. Older software versions like Lexia 3 or PP2000 will not run natively on 64-bit systems and must be run inside a 32-bit Virtual Machine (VM).

| Operating System | Driver Version Required | Notes | |-----------------|------------------------|-------| | Windows XP SP3 | v2.08.30 (FTDI) | Works natively, no signature issues. | | Windows 7 64-bit | v2.12.36 or ACTIA signed | Install in test mode or with DSEO. | | Windows 10 20H2-22H2 | v2.14.44 (ACTIA custom) | Must disable signature enforcement temporarily. | | Windows 11 | v2.14.44 + compatibility mode | Use Windows 8 compatibility for DPInst.exe. |

Ensure the host machine has the filters configured correctly.

If you see a yellow exclamation mark or "Unknown Device," right-click it, select , point the search directory to C:\APP\DDC\BSI\Driver\ (the default Diagbox driver directory), and hit install. Managing Firmware Compatibility

Cheaper clones often use substandard microcontrollers. They frequently drop connection or brick themselves when the driver attempts to update the interface firmware. Step-by-Step Driver Installation Guide

Use a third-party tool like PSA Interface Checker to read your hardware reference. If your device displays "Inconnue" (Unknown) instead of "9780.Z5," the firmware on the interface chip is corrupted and must be reflashed to Revision C. 64-bit Windows Compatibility Issues

(e.g., VirtualBox) to run the software on Windows 7, 10, or 11. Core Diagnostic Capabilities

If you run Diagbox on a Windows 7 Virtual Machine (VMware or VirtualBox) inside Windows 10/11: