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Laptop screen not coming on - mobo issue?

This is a discussion on Laptop screen not coming on - mobo issue? within the Motherboards, Bios & CPU forums, part of the Tech Support Forum category. Hi I have a gaming laptop that I got not too long ago. It was all working fine until one


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Old 01-21-2020, 04:51 AM   #1
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Hi

I have a gaming laptop that I got not too long ago. It was all working fine until one day I was using it without it plugged in to the charger and the battery died. I plugged it in and charged it, but when turning the laptop on the screen just stayed blank. I've tried pressing all the function buttons for the screen brightness, or to enable/disable the screen, but it was still blank. I ordered a new screen today in case for some reason the battery dying caused the screen to fail. I have fitted the new screen, but the issue remains. If I plug the laptop in to my TV via a HDMI cable, then the screen is visible on the TV, so the laptop itself still works and doesn't seem to have any trouble processing video. I just can't get the built-in screen to work, neither the original or the replacement.

I'm thinking it might be something I need to open up the laptop to address. Any ideas on what it could be and what I would need to do, please?

Thank you!
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Old 01-21-2020, 05:08 AM   #2
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Little update - I powered it on and shone a torch on the display, it turns out that there IS something on the screen - just ridiculously dark. I'm guessing it's a backlight issue? Any ideas where to go from here?
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Old 01-23-2020, 04:55 AM   #3
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Yep, sounds like a faulty backlight.

They can be replaced. Cost varies by brand/model. And of course once you know the cost of the replacement, you need to decide if it's a cost effective option as compared to a replacement laptop.
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