The problem is that both SLEEP and HIBERNATION work 95% of the times. Just that 5% where sometime computer comes on but there is no picture on the screen. Therefore, driver might not be the issue because if it was the driver, then it would not work in the first place.

I still think it might be the graphic card, power supply or the new memory not setting correctly on the voltage. My LCD is first generation and bought it like 8 years ago.