Retrofitting older CCFL (Cold Cathode Fluorescent Lamp) industrial monitors over to modern, low-power LED arrays.
This is a classic symptom of over-current protection activation. Check if your LED strips are rated for a lower current than what the board delivers. Remove an onboard resistor to drop the current. gyd9e datasheet
Remove the back cover of the LCD TV. Locate the inverter or LED driver board that connects directly to the LED strips running behind the screen. gyd9e datasheet
). Out of the box, the board typically populates several parallel resistors to establish a conservative baseline operating current. gyd9e datasheet