Question Toshiba satellite laptop c55d-b5212 power on but screen not showing

[GoogleThread25]

I have a Toshiba satellite laptop c55d-b5212. Runs windows 8.1/64 bit.
The problem I'm having is when press the power button it stay a solid light and I hear the hard drive running and everything else but... the screen is black and not showing the Toshiba logo.
Hear is a video I did
Video

 

[GoogleThread25]

Ok Sorry about that Guys & Girls. It was just one of my ram cards were bad it good now I got a new ram card for it