An error "Can not find dongle!Software will work at demo state" when running EZcad2 or 3

An error "Can not find dongle!Software will work at demo state" when running EZcad2 or 3

Problem describe:

Loss of connection between software and machine.


Reasons:

1. The USB connection between the computer and the machine is unstable



① The USB port on the machine side and the computer side are not fixed tightly.

Solution:
Reinsert the USB cable on the machine.


Reinsert the USB cable on the computer.


② The computer's USB port failure.

Solution:
Replace another USB port or get a new computer.

2. Damaged USB cable

USB cable damaged, unable to transfer data properly.

Solution:
Please replace a new USB cable.

3. Driver installation error or no driver installed

The driver of software not installed or incorrectly installed.

Solution:
Reinstall the correct driver.
If your software is EZcad2, you can refer to this link:

If your software is EZcad3, you can refer to this link:

4. USB port on the machine is damaged

The USB port of the machine is damaged, resulting in the computer not being able to recognize the machine.

Solution:
Open the top cover.


Find the control board.


Please plug the USB cable to the control board directly through this USB port.



















If all the above methods cannot solve this problem, please contact us : tech@thunderlaser.com

End.

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