: Right-click the driver installer and select "Run as Administrator" to ensure it has the necessary permissions to install.
flowchart TD A[“Start: 'Hardware Key Not Found' Error”] --> B“Does the hardware<br>key have a light?” B -->|“No light”| C[“Test the key on another computer”] C --> D“Key works<br>on another PC?” D -->|“Yes”| E[“Your computer has a hardware<br>or driver issue. Proceed to Step 3.”] D -->|“No”| F[“The hardware key is likely defective.<br>Contact your software vendor for a replacement.”] B -->|“Yes, light is present”| G“Is your device<br>manager showing an<br>error or unknown device?” G -->|“Yes”| H[“Proceed to Step 2: Clean<br>Reinstall the Driver”] G -->|“No”| I[“Attempt Step 3: Disable USB<br>Selective Suspend & Restart”] H --> J[“Problem solved?”] I --> J J -->|“No”| K[“Apply Step 4: Run in Compatibility<br>Mode & Perform Clean Installation”] K --> J J -->|“Yes”| L[“✅ Success: You can now use<br>Parashara’s Light 9.0”] L --> M[“✅ End”]
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drivers to recognize the key. If these are missing or corrupted, the key won't be detected. Download the latest drivers from the official Sentinel site or your software provider's download page. Disable USB Power Management
If Memory Integrity is , try turning it OFF and restarting. This is a common culprit for legacy hardware keys failing on new PCs. Final Resort: Contact Support for a Digital Move parashara light 90 hardware key not found best
Here are the most effective methods to fix the issue, ranked by ease and success rate.
Some aggressive antivirus programs (like Avast, Norton, or Windows Defender) flag the hardware key's communication as suspicious behavior. Temporarily disable your antivirus and launch the software.
Windows has a feature called "USB Selective Suspend" that can cut power to USB ports to save energy. This is a frequent culprit, often causing the key to be undetected after the computer wakes from sleep or hibernation.
Uncheck "Allow the computer to turn off this device to save power." Check Core Isolation Settings (Windows 10/11) : Right-click the driver installer and select "Run
"Hardware Key not Found" Message After New Install - IRRICAD 15 Aug 2016 —
If you are facing the Parashara Light 9.0 hardware key not found issue, this guide provides the best, most reliable solutions, from simple quick fixes to advanced driver reinstalls, to get your software running again. Understanding the Parashara Light Hardware Key Error
If the hardware key is still not detected, try the option. You can email your System ID to sales@parashara.com to receive a Username and Password. Physical Check :
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Before diving into software fixes, ensure the hardware itself is functioning:
Only insert the USB hardware key after your operating system has completely booted up. 2. Check Physical Connections and USB Ports
– PL9.0 checks for the key only at startup.
: Connect the dongle to a different port, preferably directly on the computer rather than through a USB hub.