Question: After installing internal HDD as a external ones by using USB 2.0 TO IDE cable,I cannot locate the 'J' drive 

Answer: First off, is the HDD already partitioned and formatted?  If not it won't show up as a drive.\n\nAssuming you're using windows xp, go to your control panel -> administrative tools -> computer management -> storage ->disk management.\n\nYou can then see if the HDD is already connected and whether or not it has been assigned a drive letter.  If it's unpartitioned and unformatted, you can do all that here.
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