How to Choose the Correct Driver for Ezcad2
Problem description
When the following problems are encountered during the installation of the driver
2. If the driver is not installed correctly, the computer side of the device connector, after the USB cable is plugged in, an exclamation mark logo will appear.
Solution
If you don't install the driver or install the wrong driver, EzCad2 will enter "Evaluation mode".
Computer System | Digital Signature | Driver File |
Win10/Win11 | YES | V2 Driver |
Win10/Win11/Win7/XP | NO | LMCV4_RL_20200518 |
Different models correspond to different controllers, and each controller corresponds to the software.
Machine Model | Controller | Laser Software | Driver File |
AURORA 8 UV | JCZ SZLI-B-LV4A | EZCAD_LITE | LMCV4_RL_20200518/ V2Driver |
AURORA 8 | LMCV4-FIBFR-M | EzCad2 |
Where can find the driver files
LMCV4_RL_20200518 ：U-disk came with the machine >> AURORA Series - Fiber Laser >> Fiber software >> Driver , or download from article attachment
For some cases, it is also necessary to disable the digital signature.
1. After installing the driver, the system prompts that digital signature needs to be disabled.
2. Connect the USB cable, and the exclamation point prompt in the update device manager.
How to disable the digital signature
1. Right-click on the Start menu and select the Settings option, as shown below.
2. Select Update and Security from the Settings options, as shown below.
3. Select the Restore option from the Update and Security left menu, as shown below.
On the Recovery screen, select the advanced option - Restart now button, as shown below.
4. After the restart, the following interface selection troubleshooter appears, as shown in the following figure.
5.Select advanced Settings on the Troubleshooting screen, as shown below.
6. Select Startup Settings from the Advanced Settings screen, as shown below.
7. Select “Disable driver signature enforcement” from the startup options to disable the driver's digital signature, as shown in the figure below.
8. To disable digital signatures permanently, go to the command prompt (or win+R).
Fill in the correct instructions to disable digital signatures
If the problem cannot be solved, please contact us：tech@thunderlaser.com
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