I'veseen similiar problems to this. Why do you need to repartition? If you really must then a third party program such as Paragon Partition Manager is what I use.
Have a wd 80 gb unable to see the drive in my computer.followed directions of previous post but...
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Have a wd 80 gb unable to see the drive in my computer.followed directions of previous post but still don't see the port in order to access the ext hard drive