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戴尔 Precision 5550 服务手册
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注意、小心和警告
版权
拆装计算机内部组件
拆装计算机内部组件之前
安全说明
静电释放 — ESD 保护
ESD 现场服务工具包
拆装计算机内部组件之后
卸下和安装组件
建议工具
螺钉列表
系统的主要组件
底座护盖
卸下底座护盖
安装基座护盖
电池
卸下电池
安装电池
内存模块
卸下内存
安装内存
固态硬盘
卸下固态硬盘 1
安装固态硬盘 1
卸下固态硬盘 2
安装固态硬盘 2
安装 M.2 2230 固态硬盘
风扇
卸下左侧风扇
安装左侧风扇
卸下右侧风扇
安装右侧风扇
散热器
卸下散热器
安装散热器
扬声器
卸下扬声器
安装扬声器
I/O 板
卸下 I/O 板
安装 I/O 板
显示屏组件
卸下显示屏部件
安装显示屏部件
系统主板
卸下系统板
安装系统板
掌托和键盘组件
卸下掌托和键盘部件
安装掌托和键盘部件
驱动程序与下载
BIOS 设置
BIOS 概览
进入 BIOS 设置程序
导航键
F12 一次性启动菜单
系统设置选项
更新 BIOS
在 Windows 中更新 BIOS
在 Linux 和 Ubuntu 环境中更新 BIOS
在 Windows 环境中使用 USB 驱动器更新 BIOS
从 F12 一次性启动菜单更新 BIOS
系统密码和设置密码
分配系统设置密码
删除或更改现有的系统设置密码
清除 BIOS(系统设置程序)和系统密码
故障处理
处理膨胀的可充电锂离子电池
SupportAssist 诊断程序
内置自检 (BIST)
M-BIST
液晶屏电源导轨测试 (L-BIST)
LCD 内置自检 (BIST)
系统诊断指示灯
恢复操作系统
备份介质和恢复选项
Wi-Fi 重启
耗尽剩余弱电(执行硬重置)
获取帮助和联系戴尔
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