No display on the screen of UV laser marking machine?

in FAQs about Laser Marking


The screen signal cable is not connected properly.

The computer graphics card is damaged.

The video cable is damaged.

The monitor is not powered or the switch is not turned on.

Display contrast and brightness settings are incorrect.


Plug in the screen signal cable.

Replace the computer graphics card.

Reset the monitor brightness and contrast.

Power up the display.

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