Question: After plugging in an external 3.5mm microphone, you stop hearing sound from the speakers. What is the most likely source of the problem?

1. You have plugged the microphone into the 3.5mm audio output jack.
2. The sound is muted.
3. The sound card has crashed.
4. The computer has connected to a nearby Bluetooth headset.

Answer: The correct answer of the above question is Option A:You have plugged the microphone into the 3.5mm audio output jack.