卸下无线网卡 ............................................................................... 22 前提条件 ........................................................................................................... 22 步骤 ...................................................................................................................22 装回无线网卡 ............................................................................... 24 步骤 .................................................................................................................. 24 完成条件 ........................................................................................................... 25 卸下扬声器 ...................................................................................26 前提条件 ........................................................................................................... 26 步骤 .................................................................................................................. 26 装回扬声器 ...................................................................................28 步骤 .................................................................................................................. 28 完成条件 ........................................................................................................... 28 取出币形电池 ............................................................................... 29 前提条件 ........................................................................................................... 29 步骤 .................................................................................................................. 29 装回币形电池 ............................................................................... 31 步骤 ................................................................................................................... 31 完成条件 ............................................................................................................31 卸下散热器 ................................................................................... 32 前提条件 ........................................................................................................... 32 步骤 ...................................................................................................................32 装回散热器 ...................................................................................34 步骤 .................................................................................................................. 34 完成条件 ........................................................................................................... 34 4