在线浏览, 第4页, 戴尔 Dell Optiplex 7020 小型 用户手册

安装币形电池 ........................................................................................................................................25 卸下散热器部件 ....................................................................................................................................25 安装散热器部件 ....................................................................................................................................26 卸下处理器 ........................................................................................................................................... 26 安装处理器 ........................................................................................................................................... 27 卸下防盗开关 ........................................................................................................................................27 安装防盗开关 ........................................................................................................................................27 卸下系统板 ........................................................................................................................................... 28 安装系统板 ........................................................................................................................................... 29 系统板布局 ........................................................................................................................................... 29 3 系统设置程序.........................................................................................................31 引导顺序 ............................................................................................................................................... 31 导航键 ...................................................................................................................................................31 系统设置程序选项 ................................................................................................................................ 32 更新 BIOS ............................................................................................................................................40 跳线设置 ............................................................................................................................................... 41 系统密码和设置密码 .............................................................................................................................41 设定系统密码和设置密码 ................................................................................................................41 删除或更改现有系统密码和 /或设置密码 ........................................................................................ 42 禁用系统密码 ..................................................................................................................................42 4 Diagnostics（诊断程序）...................................................................................44 增强型预引导系统评估 (ePSA) 诊断程序 ..............................................................................................44 5 排除计算机故障.................................................................................................... 45 电源 LED 诊断程序 ...............................................................................................................................45 哔声代码 ...............................................................................................................................................46 错误消息 ...............................................................................................................................................46 6 规格........................................................................................................................52 7 联系 Dell................................................................................................................58