Satellite L750D system stops unexpectedly

My Satellite 750 D is about 1 1/2 years and for about two months, he has developed this habit simply turn off the entire system as if I pressed the power button or surprisingly cut energy.
The sound he does is something like a whistle made his last.
I have really no idea why my laptop does. I checked the virus several times and there is nothing. It cannot be lack of battery either since I do not use it on battery.
I should add that the LED of the symbol of cable turns off a few seconds when it happens.
I'm afraid to give my laptop for repair, because his problem does not appear each time. But it happened twice yesterday and twice today, and it's starting to annoy me.

Any good advice for me? I would be grateful!

Hey Buddy,

I've never heard of this model of Toshiba laptop satellite 750D is unclear. Can you check the model number right on the lower side again?

If your laptop is already 1.5 years, have you ever cleaned using compressed air stream? Theoretically, it could close due to a higher internal temperature.

Tags: Toshiba

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