如果某些 Dell Pro Max 筆記型電腦的 Ubuntu 音量設為 100%,左側喇叭會發出蜂鳴雜音
Summary: 在 Ubuntu 24.04 中將音量設為 100% 時,左側喇叭會出現蜂鳴雜音。這會發生在 Dell Pro Max 14 MC14250、Dell Pro Max 16 MC16250、Dell Pro Max 14 MC14255 和 Dell Pro Max 16 MC16255上。
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Symptoms
音量輸出設為 100% 時,左側喇叭會發出蜂鳴雜音。
受影響的平台:
- Dell Pro Max 14 MC14250
- Dell Pro Max 16 MC16250
- Dell Pro Max 14 MC14255
- Dell Pro Max 16 MC16255
Cause
音訊編解碼器驅動程式中的「amp configuration」參數會導致喇叭發出異常的蜂鳴雜音。
Resolution
Ubuntu 線上升級命令:
- 使用 Ctrl + Alt + T 組合鍵連線至網際網路並開啟終端機。
- 執行命令
$ sudo apt update。 - 執行命令
$ sudo apt upgrade -y。 - 重新開機筆記型電腦。
Affected Products
Dell Pro Max 14 MC14250, Dell Pro Max 14 MC14255, Dell Pro Max 16 MC16250, Dell Pro Max 16 MC16255Article Properties
Article Number: 000339624
Article Type: Solution
Last Modified: 18 Sept 2025
Version: 4
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