Ortur laser master 2 pro not working

My machine did not start after one day even though there was nothing wrong with it. I think it does not generate pwm after controls. It does not perform any operation such as engraving and cutting. When I give 2 percent power, the light does not light up. When I give 100 percent power, only blue light comes out. which component should I check on the motherboard?

this is not a pro motherboard, is a OLM2 motherboard

needs to be replaced

Hi, I changed the picture.

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