戴尔 SB725 音棒在连接到戴尔显示器时不输出音频
Summary: 本文提供了有关如何将戴尔 SB725 音棒连接到连接了戴尔显示器的戴尔计算机的指导。
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Symptoms
Cause
如果显示器 USB 上行线缆未连接到戴尔计算机，则计算机和戴尔显示器之间不会发送音频数据。
Resolution
USB 上行线缆
如果显示器使用 HDMI 或 DisplayPort 连接连接到计算机，则必须将戴尔显示器 USB 上行线缆连接到计算机才能为音棒供电。
将戴尔显示器随附的 USB 上行线缆连接到显示器，然后将线缆的另一端连接到计算机。
提醒：您需要确保戴尔显示器与音棒兼容。您可以在音棒产品页面找到兼容性列表，向下滚动到技术规格，也可以在其他部分中找到。
戴尔 Pro 高级会议音棒 - SB725 技术规格
戴尔 Pro 高级会议音棒 - SB725 技术规格
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
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Article Properties
Article Number: 000350991
Article Type: Solution
Last Modified: 15 Sep 2025
Version: 3
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