Portable hard drive?
Answers:
You can use it in Vista. It maybe possible that that disk was manufacture before Vista came to market. Since Vista is Plug and Play Operating system, it will recognize and work with your drive.
When you say portable harddrive I assume you mean USB harddrive? The harddrive is not operating system specific and you should be able to use it just fine. You may have to reformat once in windows vista.
The drive was packaged before Vista thats all it should work fine (Vista can access most external drives that are XP compatable)
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