KCC wrote:
> External Hard drive
>
> I had a 200 gig external hard drive and used it as a backup for both of my
> systems (Xp home W/sp2 and XP pro W/sp2) for about one year. Just recently
> the hard drive does not show up in my computer or explorer

So, we have: PC1 + external Case + Drive1 = Problem

> ...I replaced the
> drive in the external case with a new 160 gig drive already formatted. Now
> when I plug the drive into the USB port is says that it found a new mass
> storage device but it still does not show up anywhere.

Now we have: PC1 + external Case + Drive2 = Problem

> It also does the same
> thing on both computers.

And finally, we have: PC2 + external Case + Drive? = Problem

I can't help but suggest that perhaps the external case needs to be
checked :-)