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

安装热感器 ........................................................................................................................................... 22 卸下电源开关 ........................................................................................................................................22 安装电源开关 ........................................................................................................................................23 卸下输入 /输出 (I/O) 面板 ..................................................................................................................... 24 安装输入 /输出（I/O）面板 .................................................................................................................. 25 卸下系统板 ........................................................................................................................................... 25 安装系统板 ........................................................................................................................................... 26 系统板组件 ........................................................................................................................................... 27 3 系统设置程序........................................................................................................ 28 引导顺序 ...............................................................................................................................................28 导航键 .................................................................................................................................................. 28 系统设置程序选项 ................................................................................................................................ 29 更新 BIOS ............................................................................................................................................ 37 跳线设置 ...............................................................................................................................................38 系统密码和设置密码 ............................................................................................................................ 38 设定系统密码和设置密码 ............................................................................................................... 38 删除或更改现有系统密码和 /或设置密码 ........................................................................................ 39 禁用系统密码 ................................................................................................................................. 40 4 Diagnostics（诊断程序）................................................................................... 41 增强型预引导系统评估 (ePSA) 诊断程序 .............................................................................................. 41 5 排除计算机故障.................................................................................................... 42 电源 LED 诊断程序 ...............................................................................................................................42 哔声代码 ...............................................................................................................................................43 错误消息 ...............................................................................................................................................43 6 规格........................................................................................................................49 7 联系 Dell................................................................................................................56