How do I get my computer to recognize my hard drive?

What to Do When Your External Hard Drive Won’t Show Up

1. Make Sure It’s Plugged In and Powered On. Western Digital My Book. …
2. Try Another USB Port (or Another PC) …
3. Update Your Drivers. …
4. Enable and Format the Drive in Disk Management. …
5. Clean the Disk and Start From Scratch. …
6. Remove and Test the Bare Drive.