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Released June 2012, identified by model number 3560.

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My laptop screen wont turn on (Dell Vostro 3350)

So I stacked my laptop in my locker, along with other stuff, and when I turn it out, The screen wont turn on. The laptop is working properly except the screen. I need to wait at least an hour for the screen to suddenly went on. I want to know whats wrong and how to fix it myself. Can anybody help?

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Hi,

Connect an external monitor to the laptop and check if it shows a display OK.

If there is a desktop display on the external monitor

Use a torch and shine it at an angle close the the laptop's LCD screen to check if you can see a display on the LCD screen when the laptop is on. It will be very faint so try it in a darkened room to make it easier.

If you can detect a display then you have a backlight problem. This could be caused by either a faulty backlight power supply, a faulty backlight power cable, a faulty lid switch or a faulty LCD screen

If there is no display then you either have a faulty video cable, faulty video cable connection (at either end - motherboard or screen) or a faulty LCD screen.

If there is no desktop display on the external monitor then you either have a faulty GPU or a faulty motherboard, (which is usually the same thing as the GPU is permanently mounted onto the motherboard)

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