Hello, Need help urgently please. I opened my laptop casing to remove the cd/dvd drive but after closing it up and powering it on the screen is black. The fan is working properly and even the caps lock lights blink on and I've tried reseating the cables from the monitor to the motherboard but still the screen is black. I even tried the thing where i remove the battery, unplug from socket and press power button for sixty seconds but still nothing changes. What could be the issue and what do i do?