Dear Rbmartiniv,
The ticking sound is often de heads of the hd searching for some track, not finding it and trying again.
I wouldn't trust your c:, though it seems oké now.
1. Backup everything you are able to backup!!! (c: and d; and whatever).
2. Look at things in your Bios. Are there two hd's recognised here?
2. If you absolutely positively can't find your d: (I assume it's a different drive and not a different partition), open your computer and get the disk out for a try and check in another computer. If this works, backup you 15 gig mpeg, but you also know that the disk is oké.
3. That leaves the c: (as master without anything else). Check thoroughly.
4. For a little extra info: (also smart info) go to
http://www.aida32.hu/aida-download.php?bit=32 and download and install Aida32 and use this to investigate your c:-drive (and after connecting again your d
I don't like the sound you mention. Perhaps advisable to replace your hd (at least the c: one).
Bodosan