You didn't mention what happens when you try to access the drive from
Windows. Is Windows unable to see the drive?

If the drive is showing signs of bad sectors a tool such as SpinRite (
www.grc.com) may be able to recover the data on those sectors and move it to
a good sector. Costs you some money, but you don't have to learn how to use
the tool, just run it and let it do it's work.

ddrescue appears to attempt a similar operation, but instead of trying to
recover data and remap bad sectors is just copies the data from one drive to
another. Not a bad idea in case your attempts at data recovery make the
situation worse.

-- 
Andrew S. Zbikowski | http://andy.zibnet.us
IT Outhouse Blog Thing | http://www.itouthouse.com
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