I added a second hard drive over the weekend to my Dell. When I plug in the power cord, the powersupply fan comes on immediately, the power button in the front flashes amber, the floppy drive sounds like it's trying to read a disk when there's nothing in there, and the machine won't boot up.
The primary hd is a 120gb SATA drive and the secondary is a 300gb SATA.
I had opened up the case to see what was making the noise and for some reason, as I closed it the machine booted up. It hasn't been able to boot up again since then, though.
Thanks for your advice.