ASUS model X455L screen wont turn on but the fan is running [Solved]

Ask a question Danish - Latest answer on Sep 16, 2016 10:36AM
Hello, my laptop ASUS model X455L screen wont turn on but the fan is running. I havent used this laptop for a week. I was browsing and the screen went dark all of a sudden
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Hello Danish,

In situations like this it's recommended connecting the laptop to an external monitor to see will there be any video signal going out from the laptop. If it does go out, then there's a need for LCD inverter replacement. If there's nothing showing either on external monitor nor display, but the fans are still working, the problem that you have may be due to the failure of the video chip. Sometimes, after much of a use and less cooling the graphics processor which is responsible for video signal transmission get unsolders, the thermic paste goes away and it gets unsoldered, therefore the screen doesn't show anything. If you possess knowledge of notebooks' hardware you can change the paste yourself by opening the laptop and check if the chipset that is next to the processor has got unsoldered or you can bring your laptop to a technician to get it soldered again.
Whether the problem is this or not, please come to the topic to share what happened with the tests.

Good luck!
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