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Dell EMC PowerEdge R440 安装和服务手册

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拆装计算机内部组件之前

前提条件

请遵循安全说明中列出的安全原则。

步骤

  1. 关闭系统，包括所有连接的外设。
  2. 断开系统与电源插座和外围设备的连接。
  3. 卸下系统护盖。

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