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CompTIA

220-1101 · Question #742

A user connects a laptop to a conference room audiovisual system using a VGA cable. The TV displays the image correctly, but the audio is not working. Which of the following will most likely resolve t

The correct answer is C. Using HDMI to connect. VGA (Video Graphics Array) cables transmit analog video signals only and do not carry audio signals. When a user connects a laptop to an audiovisual system using a VGA cable, the lack of audio is due to VGA's inability to transmit sound. Switching to an HDMI (High-Definition Mult

Hardware and network troubleshooting

Question

A user connects a laptop to a conference room audiovisual system using a VGA cable. The TV displays the image correctly, but the audio is not working. Which of the following will most likely resolve the issue?

Options

  • AReplacing the VGA cable
  • BSwitching inputs
  • CUsing HDMI to connect
  • DRestarting the audiovisual system

How the community answered

(22 responses)
  • A
    14% (3)
  • B
    5% (1)
  • C
    77% (17)
  • D
    5% (1)

Explanation

VGA (Video Graphics Array) cables transmit analog video signals only and do not carry audio signals. When a user connects a laptop to an audiovisual system using a VGA cable, the lack of audio is due to VGA's inability to transmit sound. Switching to an HDMI (High-Definition Multimedia Interface) cable, which supports both audio and video signals, will most likely resolve the issue by enabling the transmission of sound to the audiovisual system alongside the video.

Topics

#VGA#HDMI#Display interfaces#Audio troubleshooting

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