Actia Psa Xs Evolution 9780.z5 Driver [best] Jun 2026
Avoid USB 3.0: This hardware prefers USB 2.0 ports. If you only have USB 3.0, use a powered USB hub.
| Symptom | Likely Fix | | :--- | :--- | | | No driver. Windows sees the chip but doesn't know what it is. Reinstall the driver. | | Yellow Triangle in Device Manager | Driver signature error. Reboot and disable signature enforcement again. | | Blinking Red/Green | Firmware missing. You need to run the PSA Firmware Tool (usually inside DiagBox). | | PC freezes when plugging in | USB 3.0 conflict. Use a USB 2.0 port or a powered USB hub. |
Once connected, it allows you to utilize diagnostic software to perform the following: Actia Psa Xs Evolution 9780.z5 Driver
Replace the short USB lead connecting the round 9-pin connector to your laptop. Ensure you are plugged into a USB 2.0 port. Diagbox Asks to Connect VCI (Interface Not Found)
I can provide targeted steps or configuration scripts to get your hardware communicating properly. Share public link Avoid USB 3
Due to the age of the hardware and the complexity of the software, installing drivers for the 9780.Z5 requires a specific workflow:
The 9780.Z5 is natively compatible with the official PSA diagnostic software suites: Windows sees the chip but doesn't know what it is
Unlike generic USB-to-serial adapters, the Actia XS Evolution uses a unique hardware identifier: with a revision string often shortened to .z5 . This is not a standard Prolific or FTDI chip. Actia uses a proprietary implementation that requires signed drivers to function correctly on modern Windows OS (10 and 11).
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