Practice Quiz

CompTIA A+ 220-701/702 Practice Exam

Category - Essentials

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While playing a stereo audio CD, you notice that adjusting any attributes with the left hand speaker affects the right hand speaker. What are the most probable causes?
  1. The right hand speaker is plugged to the left connector on the sound card
  2. An IRQ conflict exists
  3. The volume controls are muted
  4. You need to run windows utility from the correct working directory
Explanation
Answer - A - The audio connector from the speaker is connected to the line-in port that controls the left speaker in the setup. Rearrange the settings to connect the connectors to the appropriate ports.

Key Takeaway: If the speaker connections are plugged into the wrong connectors, making changes to any of the attributes will not be reflected in the right speaker.

Most motherboards these days come along with an advanced configuration manager. This configuration manager lets you re-configure your audio ports to two line-in ports; one used for a left speaker, and another for a right speaker. Even if the ports are configured properly using the configuration manager, it is crucial to check the physical connections to these ports.
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