Split Second Boot

Hello, My pc is (for what I know) correctly installed. My motherboard LEDs are comstantly on, which is normal. But when I turn on the pc every fan and only the LED from the videocard is turning on for like half a second. What I'm missing is: LED from watercooling, RAM and case fans. And ofcourse...

I recently bought an Asus Q551L, but the warranty has expired because it has passed the 90-day expiration. The laptop suddenly became tinted green, as well has having Pink 'afterimages' burned into the screen after the pixels on the screen change. Due to the pink images, I often find it a little...