Lenovo y40 non responsive

[xsaberx890]

My lenovo y40 will not turn on with no real reason. The power switch lights up and the laptop can indicate it being on and charging. The keyboard backlight can also be operated but the screen does not turn on and nothing can be heard booting. Any one know anything that might help?

 

[Doseq]

Its most likely motherboard/GPU failure (I've had the same problem with lenovo y40).
If your laptop is under warranty then you should sent it to lenovo/reseller to replace the broken element.