Qosmio F50 - screen still black power afer on

My Qosmio when I press the power button the light works but the monitor remains dark after turn it off and press the button on my laptop computer sotimes works and sometimes not.

So please help me to find a solution of this proplem

In my opinion, you must contact the nearest Toshiba service provider as soon as possible and check your laptop.
Behavior described is certainly not normal and I do not think there is nothing you can do about it. It really sounds like a hardware problem.

Tags: Toshiba

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