A Territory Rep Has a Laptop with a Fingerprint Reader

Multiple Choice

A territory rep has a laptop with a fingerprint reader from the same manufacturer. He installed the hardware and software, and the device appears in the Windows Control Panel. However, when trying to use the reader, he receives an error message saying it is not connected to the computer. You check that all of the connections are in order and confirm the order of installation. All seems to be done correctly, but the device is not working correctly. What's the next step?

A) Uninstall and Install the device and software.
B) Contact the computer hardware vendor's customer support for assistance.
C) Contact MS Windows customer support.
D) Go to Windows Update and see if there is a driver update.