Skip to main content
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.

故障診斷 AC 變壓器發出的噪音

Summary: 下列文章提供有關解決 AC 變壓器噪音和/或蜂鳴音的相關資訊。

This article applies to   This article does not apply to 

Symptoms

解決連接之電源變壓器發出噪音的問題

 

  1. 從筆記型電腦或其他裝置拔下交流電 (AC) 變壓器,並測試每個零件是否有發出噪音的跡象,以確定噪音來自何處。

  2. 請嘗試將變壓器/充電器裝入其他牆壁插座 (直接插入插座,請勿連接至任何電湧保護器或不斷電電源供應器 (UPS)),並檢查噪音。

  3. 下載並安裝筆記型電腦或裝置的最新 BIOS,位於:Dell 支援網站

  4. AC 變壓器仍發出噪音。從插座拔下 AC 變壓器,然後將電源纜線從變壓器拔下。重定纜線和 AC 變壓器。將電源纜線插回插座,然後檢查噪音。

  5. 如果變壓器仍會發出噪音,最佳行動方針是:聯絡技術支援

  6. 如果噪音發生在筆記型電腦或裝置上,請繼續前往下列文章的故障診斷步驟:

Cause

本節不適用於本文章。

Resolution

本節不適用於本文章。
Article Properties
Article Number: 000130860
Article Type: Solution
Last Modified: 10 Nov 2023
Version:  6
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.
Article Properties
Article Number: 000130860
Article Type: Solution
Last Modified: 10 Nov 2023
Version:  6
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.