If so, try it without a HDD and boot off of CD/USB/DVD to see if it's just a blown OS or something else.
Using bootable sticks and more is widely discussed so I'll hang here.
I have a Toshiba laptop which I turn on and just turns off right after it displays the Toshiba logo. It does this constantly and only turns on and off by itself. I am not sure what Is wrong with it. Could anyone help me out. I am gonna put this link also on a video of me showing you exactly what the laptop does.
https://www.youtube.com/watch?v=HRQxLbWI0CM
Specs
Toshiba Satellite C55-A5285
Windows 8
6 gb RAM
Intel Core I3

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