Parashara Light 9.0 Hardware Key Not Found May 2026

Before diving into software settings, rule out hardware failure:

Go to the and look for "Sentinel Runtime" or "HASP Driver." Uninstall it. Restart your computer.

Most Parashara’s Light hardware keys have a small red or green LED. If the light is off, the USB port isn't providing power, or the key itself is defective. parashara light 9.0 hardware key not found

Install the driver first, then plug the hardware key back in. Step 3: Check the Sentinel Local License Manager

If you are using the version of 9.0 that does not require a physical USB key (Software License), the "Hardware Key Not Found" error usually implies the has crashed. Go to http://localhost:1947 in your web browser. Before diving into software settings, rule out hardware

Step 5: Address Digital License Issues (Dongle-less Version)

If these steps fail, the hardware key may be physically damaged (EMI or wear and tear). You will need to contact GeoVision Software support to request a replacement key or a migration to their cloud-based licensing system. If the light is off, the USB port

The most frequent culprit is an outdated or corrupted driver. Disconnect the hardware key from your computer.

If the page loads, click on . If no keys are listed, your digital license has de-registered and needs to be re-activated via the activation code provided at purchase. Summary Checklist Potential Cause Loose Connection Switch USB ports; avoid hubs. Outdated Drivers Download "Sentinel LDK Runtime" from the official site. Service Stopped Start "Sentinel LDK License Manager" in Windows Services. Antivirus Block Exclude the PL90 folder and Port 1947.