Question about HP Pavilion dv2500t Notebook
You might have either a faulty LCD cable or screen inverter board.
The LCD cable transfers data signal from the motherboard & video card to the LCD screen. It also supplies high voltage DC power to the screen inverter board. The screen inverter board works as a power supply for the backlight lamp mounted inside the LCD screen. It converts low voltage DC power to high voltage AC power needed for the backlight lamp.
In this service manual, you will find an illustration of how to disassemble the laptop & replace either the LCD cable or screen inverter board:
Posted on Sep 17, 2010
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Posted on Jan 02, 2017
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