Why is my laptop screen not on but it makes the on sound

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Dell Inspiron Duo

Released June 2010. First generation notebook-tablet hybrid computer.

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Angela Manibusan @angelamanibusan

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发帖于: 2019年7月20日

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Why is my laptop screen not on but it makes the on sound

My laptop is currently plugged in with the charger and making the noise it makes when it is on but my screen is not turning on or showing anything. Please help. Haven’t touched this laptop in years.

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Fixandinstall @fixandinstall 声誉积分: 222 Fix & Install 5 3 1 · Answer 1 · 2019-07-20T09:57:34-07:00

Fixandinstall @fixandinstall

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Fix & Install

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problems with the screen are usually related to one of three causes: the graphics card, the lcd itself, or the lcd cable, connecting the lcd to the motherboard. First step would be to see if you can get an image via an external monitor. If you do, the graphics card is ruled out (if you don’t, it’s the card). Distinguishing between lcd and cable is harder to do.

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Dell Inspiron Duo

Why is my laptop screen not on but it makes the on sound

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