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The HP Pavilion model dv7-4285dx is a notebook PC produced by HP.

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My laptop turned on but no display

when i plug the power adapter,the laptop turned on directly but no display

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Is there any backlight?



Why do you say it turns on? is the fan making noise ? or is it just that you see one or more leds lit ??


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Okay so when you plug the power adapter in, your laptop automatically turns on, but no screen is shown?

Have you done a recent repair on the device?

More details! :3

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Ramy rizkallah will be eternally grateful.
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