Quote: "[quote]"I need to dual connect them for it to work""
that doesn't make any sense. any harddrive can run alone. John pretty much has the answer. A repair will usually put back that ntldr file which randomly gets corrupted occationally.[/quote]
Chances are the drive of your that wont work unless it is slaved to the other is that way because you have it jumpered to slave. Try changing the jumper settings to master and see how it works. If you want a new drive though, any IDE drive should work well for you.
Computers are like air conditioners, they stop working when you open windows.