在线浏览, 第4页, 戴尔 Dell Optiplex 9020 超小型 用户手册

取出币形电池 ........................................................................................................................................................24 安装币形电池 ........................................................................................................................................................24 卸下系统风扇 ........................................................................................................................................................25 安装系统风扇 ........................................................................................................................................................26 卸下系统板 ............................................................................................................................................................26 系统板布局 ............................................................................................................................................................27 安装系统板 ............................................................................................................................................................28 3 系统设置程序...........................................................................................................................29 引导顺序 ................................................................................................................................................................29 导航键 .................................................................................................................................................................... 29 系统设置程序选项 ................................................................................................................................................30 更新 BIOS ..............................................................................................................................................................38 跳线设置 ................................................................................................................................................................39 系统密码和设置密码 ............................................................................................................................................39 设定系统密码和设置密码 ............................................................................................................................. 39 删除或更改现有系统密码和 /或设置密码 ....................................................................................................40 禁用系统密码 ................................................................................................................................................. 40 4 Diagnostics（诊断程序）......................................................................................................42 增强型预引导系统评估 (ePSA) 诊断程序 .......................................................................................................... 42 5 排除计算机故障...................................................................................................................... 43 电源 LED 诊断程序 ................................................................................................................................................43 哔声代码 ................................................................................................................................................................44 错误消息 ................................................................................................................................................................44 6 规格.............................................................................................................................................49 7 联系 Dell.....................................................................................................................................56