Audio Level Changes or Mutes Unexpectedly on Certain Dell Monitors

摘要: Information about Dell monitors (with or without external speakers) that the Dell display software may try to sync the system and monitor volume. This causes the sound to suddenly go to 100 percent, mute unexpectedly, or briefly show "Off" (Mute) on the screen. ...

本文章適用於 本文章不適用於 本文無關於任何特定產品。 本文未識別所有產品版本。
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症狀

You may experience one of both of the following behaviors:

  • The volume goes to 100 percent when playing music or video through the monitor's integrated speakers.
  • The sound becomes muted after the on-screen menu (OSD) disappears while audio is playing.

Windows Audio Options Example

Affected Monitors:

  • Dell Pro 22 Adjustable Stand Monitor with Speakers E2226HS
  • Dell Pro 24 Conferencing Monitor E2426HB
  • Dell Pro 24 Adjustable Stand Monitor with Speakers E2426HS
  • Dell 32 Plus 4K QD-OLED Monitor S3225QC
  • Dell UltraSharp 32 4K QD-OLED Monitor U3226Q
  • Dell UltraSharp 52 Thunderbolt Hub Monitor U5226KW

原因

Older versions of Dell Display and Peripheral Manager (DDPM) are trying to keep the system volume and monitor volume synchronized. This can cause the volume to change unexpectedly.

解析度

Dell Display and Peripheral Manager

Updating to Dell Display and Peripheral Manager (DDPM) version 2.2.0.19 or later resolves this issue.

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受影響的產品

Dell Display and Peripheral Manager, Dell Pro 22 Adjustable Stand Monitor with Speakers E2226HS, Dell Pro 24 Conferencing Monitor E2426HB, Dell Pro 24 Adjustable Stand Monitor with Speakers E2426HS, Dell S 32 4K QD-OLED Monitor S3225QC , Dell UltraSharp 32 4K QD-OLED Monitor U3226Q, Dell UltraSharp 52 Thunderbolt Hub Monitor U5226KW ...
文章屬性
文章編號: 000451054
文章類型: Solution
上次修改時間: 23 7月 2026
版本:  4
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