Service Manual
安装显示屏部件............................................................................................................................................................ 36
系统板...................................................................................................................................................................................39
卸下系统板.................................................................................................................................................................... 39
安装系统板..................................................................................................................................................................... 41
掌垫和键盘部件..................................................................................................................................................................45
卸下掌托和键盘部件....................................................................................................................................................45
安装掌托和键盘部件....................................................................................................................................................46
章 3: 驱动程序与下载...................................................................................................................... 47
章 4: 系统设置程序......................................................................................................................... 48
进入 BIOS 设置程序........................................................................................................................................................... 48
导航键...................................................................................................................................................................................48
引导顺序...............................................................................................................................................................................48
一次性引导菜单..................................................................................................................................................................49
系统设置程序选项..............................................................................................................................................................49
清除 CMOS 设置................................................................................................................................................................ 58
清除 BIOS（系统设置）和系统密码...............................................................................................................................58
章 5: 故障排除............................................................................................................................... 59
SupportAssist 诊断程序.....................................................................................................................................................59
找到戴尔计算机的服务编号或快速服务代码................................................................................................................59
内置自检 (BIST)..................................................................................................................................................................59
系统主板内置自检 (M-BIST)......................................................................................................................................60
显示屏面板电源导轨内置自检 (L-BIST)...................................................................................................................60
显示屏面板内置自检 (LCD-BIST)...............................................................................................................................61
结果..................................................................................................................................................................................61
系统诊断指示灯..................................................................................................................................................................62
恢复操作系统...................................................................................................................................................................... 63
刷新 BIOS.............................................................................................................................................................................63
刷新 BIOS（USB 闪存盘）...............................................................................................................................................63
备份介质和恢复选项..........................................................................................................................................................63
WiFi 重启.............................................................................................................................................................................. 64
耗尽剩余弱电（执行硬重置）.........................................................................................................................................64
4 目录