It’s a cliché for a reason. Restarting clears stuck background services that handle hardware encryption. 2. Update or Reinstall Sentinel Runtime Drivers
The software communicates with the key via a background service. If this service is disabled, Autodata won't "see" the key. Press Windows Key + R , type services.msc , and hit Enter. sentinel key not found autodata
If you have tried all 12 methods and the diagnostic tool still does not see the key, your Sentinel dongle has likely suffered an ESD (electrostatic discharge) or component failure. It’s a cliché for a reason
If the dongle is genuine and still not found after all this, it may be physically damaged – contact AutoData support for a replacement (paid). sentinel key not found autodata