Look for a section named or "UniDiag" devices.
Setting up the is the gatekeeper to performing professional diagnostics on your Peugeot or Citroën. By using a 32-bit environment and ensuring your USB ports are compatible, you can bypass the most common "Device not recognized" errors. Are you planning to install this on a physical machine or
| 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. | Actia Psa Xs Evolution 9780.z5 Driver
The interface relies on internal firmware (such as Revision C) to be recognized properly by modern Diagbox software versions (v7.xx, v8.xx, and v9.xx). Step-by-Step Driver Installation Guide
The most significant challenge with the 9780.z5 is compatibility with modern Windows operating systems. Look for a section named or "UniDiag" devices
If you are experiencing persistent driver problems that you cannot resolve, the interface itself may be a low‑quality clone. Purchasing a known “full‑chip” clone from a reputable seller or, ideally, finding a genuine second‑hand 9780.z5 will give you the best experience.
A highly useful resource is a driver pack specifically compiled for the XS Evolution VCI. It is designed for manual installation and should be used when the interface is not automatically recognized. It is available for download from a French diagnostic forum, but it is vital to note the source's warning: . Are you planning to install this on a
The driver allows Windows to talk to the USB interface. The firmware (controlled via tools like PSA Interface Checker) allows the interface to talk to the Diagbox software. You need both to be updated and matching. Step-by-Step Driver Installation Guide