Boots in black screen

Well i have a toshiba satellite c655-spst04m and it boots on black, not totally black. The screen has the lcd backlight on, the caps lock and number caps work but it doesn’t make any beeps or nothing just black i tried the “hard reset” and cmos reset and nothing any help please? I forgot to mention if i connect an external keyboard and press d+power it starts an infinite loop of beeps