Solved! Toshiba satellite pro r50 b 12w blinking lights

[Hydr0FluoricAcid]

My Toshiba laptops seccond light is blinking white and amber every twice for each colour then changing I don’t know why it’s doing this but it’s not stopping the fan turns on for a seccond then stops but the screen stays black

solved

 

[AlHuneke]

Probably a HW problem that is being detected by the power on testing. Look up "blink codes" for Toshiba to see what it means.