My screen isn't turning on, it's completely black

The caps lock light is on constantly but nothing on screen completely blank

Has anyone came across this?

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kanebaby7 double check that your computer is indeed a CQ59 I am wondering if it has a inverter but cannot find anything on a CQ59


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This could be an host of issues any one of which can cause this so lets start with the basic. remove the laptop battery and disconnect the power then hold down the power button for 60 seconds. Then reinstall the battery and plug in the power and boot the laptop. If it works it was a case of static discharge if there is no joy lets move on to the ram . Remove one stick of ram and try to boot the laptop if it doesnt boot then move that stick to a different dimm slot and try to boot again if the laptop boots it means one stick of ram was bad if not then switch out and test with the other stick keep trying until you have tried each dimm in each slot . If you have no joy then we move on to the GPU. Try pluging in an external monitor. If it works then your LCD screen is bad and will need to be replaced if it doesn't work then the issue is probably with the GPU. This is a issue with the motherboard and can offten be fixed by reflowing the solder on the GPU. Hope this helps

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kanebaby7 could be an issue with your GPU on the motherboard or an issue with the LCD display. Try to shine a flashlight at an angle toward your LCD and see if you can make out shapes of your desktop etc. (computer on and starting your OS of course) If so you know you are having a backlight issue. Next you want to install an external monitor. If that displays your desktop than you know your GPU is okay but your LCD is not. Let us know what you find.

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