Well, I'm up for anything that might find the problem here. I have a spare HD, so I hooked it up as a slave on the Sec IDE with my main HD. Same thing, constant LED on.
Somewhere, in one of the many threads I've been searching the last few days, I think I saw someone mention a freebee little application that puts an icon on the tray, that indicates HD activity. Maybe I'm just getting bonkers over all this. I don't even know for sure why I'm spending so much time on the problem. The computer works fine. I guess it's just that having something that doesn't work right bugs me.
Anyway, Crossq, thanks for the answer. If you happen to think of anything else, I'm all ears.
I've run quite a few Virus and Spyware scans, to make sure that I haven't inherited something from "The Net". However, nothing shows up. I have AVG 7 (Pro), the Microsoft Antispyware (Beta), Spybot and Ad-Aware. They all show negative, except for the odd tracking cookie. I update them all regularily, at least every 2 or 3 days.
The Maxtor HDD that I'm using clicks quietly when it is doing anything. That's why I can say that the LED is on when the drive is not doing anything (not clicking). However, I'm not an expert on any of this. There's no indication of anything unusual running in Task Manager . The computer hasn't slowed down or anything, so I've convinced myself that the HDD isn't working all the time. I don't know of any other way to check that out, other than the clicking sound and Task Manager. Any ideas?
Thanks for the answer.