Error "Plate not found"

Error "Plate not found"

Symptoms

When executing an MDT25 command, the following appears:

"Plate not found"

And it is not possible to continue.

Applicable to

• Hardware protection system with Sentinel technology

Cause

This error can occur for multiple reasons and requires several systematic checks.

Solution: Diagnostic Process

Follow the steps in order. Each step has its own detailed guide:

🔍 Step 1: Physical Key Verification

The basics first:

See complete guide: FAQ-13: How to check the key status?

Quick summary: - ✅ Is it physically connected? - ✅ Is the LED light on? - ✅ Is it in a functional USB port?

🔢 Step 2: Serial Number Verification

Confirm that the key and software match:

See complete guide: FAQ-11: How to check the serial number?

Quick summary: 1. Verify serial number in MDT (F2 command or About) 2. Run USBDiag.exe from the Driver folder 3. Compare both numbers - they must match

💿 Step 3: Driver Verification

Ensure you have the correct driver version:

See complete guide: FAQ-12: How to verify the driver version?

Quick summary: 1. Run USBDiag.exe 2. Close the application 3. With the key disconnected, run Setup.exe from the Driver folder 4. Reconnect the key after installation 5. Restart if prompted

Resolution Flowchart

Is the plate connected? → NO → Connect key
    ↓ YES
Is the LED on? → NO → Damaged key → Contact Admin
    ↓ YES
Does the serial number match? → NO → Incorrect files → Contact Admin
    ↓ YES
Is the driver updated? → NO → Install correct driver
    ↓ YES
Contact Technical Support

If nothing works

If you have followed all the steps and the problem persists: - FAQ-15: Contacting Technical Support - Include screenshots of each step performed - Indicate which checks you have completed

Category: Common Errors - Complex diagnosis Level: Intermediate-Advanced Solution: Systematic step-by-step diagnosis Urgency: High