Question about Sony Computers & Internet
Try attaching an external monitor to the laptop & see if you could get any display on it. If this is successful, then 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.
Posted on Sep 15, 2010
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Posted on Jan 02, 2017
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Dear Valued Sony VAIO customers,
Sony has identified a limited number of VGN-CS series computers which may display a horizontal line on the LCD screen.
As part of our commitment to quality, for an additional 24 months beyond the standard limited warranty period, owners of an affected model displaying the symptom may be eligible to receive service for the LCD screen from Sony free of charge.
If you are currently experiencing this issue, please contact us at 1-888-476-6972 to arrange service.
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