Gary purchased a new USB 2.0 input device for his iMac (Late 2013). He installed the software that shipped with the device, but it does not seem to work. He has
tried all of the USB ports on the back of the iMac, but the issue persists. Which of the following troubleshooting tools or techniques would help Gary isolate the
issue?

A.
Apple Hardware Test

B.
Activity Monitor

C.
Apple Diagnostics

D.
System Information