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HDMI Audio Device Not Detected on ChengMing 3980, Vostro 3670 or Inspiron 3670

Summary: Refer to the information concerning the audio device that may not be detected on your computer.

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Symptoms

  N/A

Cause

  N/A

Resolution

Symptom

You may notice that the audio device may not be detected on your Dell PC (Figure 1). The onboard HDMI device should be available as an audio output option. This issue may occur when you enable the Legacy Option ROM in the BIOS.

SLN309517_en_US__1PSE1
Figure 1: Audio device not detected in Windows Sound Playback settings

Solution

To help resolve this issue, disable the Legacy Option ROM option in the BIOS

  1. Power on the PC and press F2 key on the keyboard to enter System Setup or BIOS
  2. In System Setup or BIOS screen, under General, select Advanced Boot Options
  3. Uncheck Enable Legacy Option ROMs and click Apply
  4. Click Exit to restart the PC

Affected Products

Inspiron 3670, Vostro 3670