Correct Answer. B. Verify that the device is paired correctly with its receiver Incorrect pairing or connection disruptions between the device and its receiver can prevent it from being recognized by the computer.
Option A is incorrect. While important, updating the driver is not the first step if the device is not recognized due to pairing issues.
Option C is incorrect. A hardware reset of the computer is a more drastic step that should be considered only if other simpler solutions fail.
Option D is incorrect. Firewall settings affect network traffic and are unrelated to local peripheral device connectivity.