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Old 11-13-2019, 05:36 PM   #4
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Join Date: Jun 2012
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Default Re: BenQ BL2400PT no backlight

I doubt your problem is with the power supply, check the voltage on the led driver board.
I suspect you have a problem with the led's themselves, Check the voltage going to the led's when you first turn on the monitor.
R_J is offline   Reply With Quote