Hi, I have run into a huge problem. I walked away from the computer for about a half an hour, and when I came back, the light on the monitor was orange and the screen was black, like what happens during inactivity to save power. Only it wouldn't turn back on after shaking the mouse. So I restarted the computer and it's still acting like there's no activity. When I turn the computer on I see that it's turning on but it's not making any of the noises it usually does when it starts up. I have not taken this computer apart EVER, have not modified its contents or any of that. I have an external drive but I've had it for almost 6 months and there's been no problems. I didn't change anything prior to this happening. Is there anything I can do? It's a 2002 Compaq Presario with a ridiculously slow processor and RAM, if you need that info...I know it's really old and slow but I've been trying to save up for a new one.