John states that the external hard drive he uses to store music is not visible in the Finder. Your drive
is properly plugged in and listed in System Information. How should you continue troubleshooting
the issue?

A.
Troubleshoot the issue using Activity Monitor.

B.
Troubleshoot the issue using Disk Utility.

C.
Troubleshoot the issue using Apple Diagnostics.

D.
Troubleshoot the issue using Console.