30
Quick Reference Guide
•
Tips and information for using the Microsoft Windows XP operating system
•
Instructions for removing and installing parts, including memory, cards, drives, the microprocessor,
and the battery
•
Information for troubleshooting various computer problems
•
Instructions for using the Dell Diagnostics and reinstalling drivers
•
Information on how to contact Dell
You can access the
User’s Guide
from your hard drive or the Dell Support website at
support.dell.com
.
Removing the Computer Cover
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide
.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before
removing the cover.
NOTICE:
To prevent static damage to components inside your computer, discharge static electricity from your
body before you touch any of your computer’s electronic components. You can do so by touching an unpainted
metal surface on the computer.
1
Follow the procedures in "Before You Begin" in your
User’s Guide
.
NOTICE:
Opening the computer cover while the computer is running could result in a shutdown without warning
and a loss of data in open programs. The computer cooling system cannot function properly while the cover
is removed.
2
If you have installed a security cable, remove it from the security cable slot.
NOTICE:
Ensure that sufficient space exists to support the removed cover—at least 30 cm (1 ft) of desk top space.
NOTICE:
Ensure that you are working on a level, protected surface to avoid scratching either the computer or the
surface on which it is resting.
3
Lay your computer on a flat surface with the cover facing up.
Summary of Contents for Precision PD055
Page 4: ...4 Contents ...
Page 47: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell Precision Workstation 490 快速参考指南 型号 DCTA ...
Page 50: ...50 目录 ...
Page 56: ...56 快速参考指南 3 您可以采用不同方式连接显 示器 视您的图形卡而定 注 您可能需要使用附带 的适配器或电缆 才能将 显示器连接至计算机 连接显示器 ...
Page 59: ...快速参考指南 59 4 注 如果您的计算机 已安装声卡 请将扬 声器连接至此卡 连接扬声器 5 连接电源电缆并打开 计算机和显示器 ...
Page 72: ...72 快速参考指南 内部视图 1 电源设备 2 可旋转的硬盘驱动器托架 3 灵活托架 4 下部 5 25 英寸驱动器托架 5 上部 5 25 英寸驱动器托架 1 2 3 4 5 ...
Page 73: ...快速参考指南 73 内部视图 已旋出硬盘驱动器托架 1 电源设备 2 系统板 3 内存风扇 4 前面风扇 5 卡风扇 1 2 3 4 5 ...
Page 74: ...74 快速参考指南 系统板组件 3 4 5 6 7 12 22 23 24 25 26 2 27 10 13 14 15 16 17 19 20 11 9 21 18 1 8 ...
Page 90: ...90 快速参考指南 ...
Page 96: ...96 目次 ...
Page 138: ...138 クイックリファレンスガイド ...
Page 142: ...42 索引 142 索引 ...