HP hard drive been formatting for three hours

WDC WD10 EADS-65L5B1 (1000 GB)

Is this typical or do I have other problems, like needing another hard drive ?

I have a Tablo Dual Lite

Not typical. Try reformatting on your computer. If that works, try again on the Tablo - after rebooting Tablo. If all fails send our support team a ticket. a ticket for professional help.

Thanks, I’m gonna try a different hard drive.

I really don’t know how to format on my computer.

How do I start all over with the set up process ?

Press the blue reset button on the back to start all over