連接至 Dell 顯示器時，Dell SB725 Sound Bar 無法輸出音訊

Summary: 本文提供如何將 Dell SB725 Sound Bar 連接至連接 Dell 顯示器的 Dell 電腦的指南。

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

當 Dell SB725 Sound Bar 連接至 Dell 顯示器上的 USB 連接埠時，您可能沒有音訊。

受影響的裝置：

  • Dell Pro Premium Conferencing Sound Bar SB725

Cause

如果顯示器的 USB 上游纜線未連接至 Dell 電腦，則電腦與 Dell 顯示器之間不會傳送任何音訊資料。

Resolution

USB 上游纜線

如果顯示器使用 HDMI 或 DisplayPort 連接至電腦，則必須將 Dell 顯示器的 USB 上游纜線連接至電腦，才能為 Sound Bar 供電。

將 Dell 顯示器隨附的 USB 上游纜線連接至顯示器，然後將纜線的另一端連接至電腦。
使用 USB 上游纜線連接至 Dell 筆記型電腦的 Dell 顯示器範例

注意：您想要確保 Dell 顯示器與 Sound Bar 相容。您可以在 Sound Bar 產品頁面、向下捲動至技術規格和其他區段中找到相容性清單。
Dell Pro Premium Conferencing Sound Bar - SB725 技術規格

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Affected Products

Dell P2222H, Dell P2422H, Dell P2422HE, Dell P2721Q, Dell P2722H, Dell P2722HE, Dell P3221D, Dell P3222QE, Dell P3421W, Dell Pro Premium Conferencing Soundbar SB725, Dell U2421E, Dell U2422H, Dell U2422HE, Dell U2422HX, Dell U2722D, Dell U2722DE , Dell U2722DX, Dell P2223HC, Dell P2225H, Dell P2422HA, Dell P2423, Dell P2423D, Dell P2423DE, Dell P2425, Dell Pro 24 Plus QHD Monitor P2425D, Dell Pro 24 Plus QHD USB-C Hub Monitor P2425DE, Dell P2425E, Dell P2425H, Dell P2425HE, Dell P2723D, Dell P2723DE, Dell P2723QE, Dell Pro 27 Plus QHD Monitor P2725D, Dell Pro 27 Plus QHD USB-C Hub Monitor P2725DE, Dell P2725H, Dell P2725HE, Dell Pro 27 Plus 4K USB-C Hub Monitor P2725QE, Dell P3223DE, Dell P3223QE, Dell Pro 32 Plus QHD USB-C Hub Monitor P3225DE, Dell Pro 32 Plus 4K USB-C Hub Monitor P3225QE, Dell P3424WE, Dell Pro 34 Plus USB-C Hub Monitor P3425WE, Dell U2424H, Dell U2424HE, Dell U2723QE, Dell U2723QX, Dell U2724D, Dell U2724DE, Dell UltraSharp 27 4K Thunderbolt Hub Monitor U2725QE, Dell U3023E, Dell U3223QE, Dell UltraSharp 32 4K Thunderbolt Hub Monitor U3225QE ...
Article Properties
Article Number: 000350991
Article Type: Solution
Last Modified: 15 Sep 2025
Version:  3
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