Hello,i'm not speek will try to show my problem with my computer. I have a Toshiba Satellite c655,after a power outage,my laptop don't boot on Windows 7,after the "Toshiba leading innovation" display nothing apair again,the screen stay black. I can't use a boot CD because i can't enter in BIOS,when i press on F2 or F12 touch nothing on screen also! I was test all of component of laptop,no problem on them. I need your help please!!!