I know there are a few computer gurus on here, so I was hoping maybe someone can help me out. I have a desktop that a guy I used to work with helped me build about 5 years ago. It isn't much of anything now, but at the time it was a pretty good computer. Not top of the line, but it was a pretty decent gaming machine. Anyway, I had it in storage for about a year and a half, and it wouldn't boot up again when I first plugged it in. I let it sit overnight, and it booted up the next morning. I used it every now and then, and it always started up no problem. Then I tried to turn it on about two weeks ago, and it won't even show the boot up screen. It just beeps at me. About once every 2 or 3 seconds it will beep. Anyone have any idea what is wrong or what I should check?