screen is not working

Hi, I just installed the Screen It's working for five minutes and screen is going white than became dark I can not see any graphics I did Connect the unit to external monitor its working fine but unfortunately the LCD is bad, Please let me know what to do, Thank You..

 

Dear sir,

according to your descriptions,  you may plug in the cable incorrectly, use the wrong side.

it will cause the backlight burned out, just like you said, turing white then black and nothing to see.

maybe you can change the backlight, then try again.

thanks

Brook

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