How to fix a dead hard drive
 

The first thing is that in his view, about 85% of the dead drives are due to software, not hardware. This can be fixed with a bunch of tools, mounting in a different OS, using a LiveCD, or simply trying it in a different version of the OS itself. There are tons of tools, ranging from really expensive to free to help you here, try them all if you need to.

If you're realy bored or realy desperate: 200 ways to fix a hdd:
http://www.hddrecovery.com.au/downloads/200ways.pdf

(I've read it quickly, seems rahter useless, but it might be worth trying)