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I turn computer on i hear it coming on but no picture screen stays black

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Anonymous

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Posted on Aug 29, 2010

Anonymous

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This might be a sign of 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.

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I turn computer on i hear it coming on but no picture screen stays black

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I turn computer on i hear it coming on but no picture screen stays black

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