When pressing the power button, the following happens 60% of time: 1. Fans will go on 2. Toshiba POST message appears and loads very shortly (under a second) 3. Blinking white cursor appears on the top left screen 4. All lights are off except the following blue power button, the AC adaptor indicator, the on light, the battery light and one of the media lights. 5. The fans get louder after a while (indicating CPU stress). 30% of the time the following happens: 1. Fans will go on 2. Toshiba POST message appears and loads very shortly (under a second) 3. Nothing will be shown on the display at al