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Precision 490 Desktop
Dell Precision 490 Desktop User Manual
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4.
On the desktop computer, reattach the power cables to the side of the hard drive.
5.
Run the cables underneath the tabs, and press the tabs to close them over the cables.
6.
Replace the computer cover (see
Replacing the Computer Cover
).
7.
Connect your computer and devices to electrical outlets, and turn them on.
Back to Contents Page
NOTICE:
To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
122
124
Table of Contents
Abbreviations and Acronyms
1
About Your Computer
2
Front View (Tower Orientation)
2
Back View (Tower Orientation)
3
Back Panel Connectors
3
Front View (Desktop Orientation)
5
Back View (Desktop Orientation)
5
Inside View - Hard Drive Bay Rotated out
6
System Board Components
7
Advanced Features
9
Legacyselect Technology Control
9
Alert Standard Format
9
Dell Openmanage Client Instrumentation
9
Chassis Intrusion Detection
10
Option Settings
10
Padlock Ring and Security Cable Slot
10
Password Protection
11
System Password
11
Assigning a System Password
11
Typing Your System Password
12
Deleting or Changing an Existing System Password
12
Administrator Password
12
Assigning an Administrator Password
13
Operating Your Computer with an Administrator Password Enabled
13
Deleting or Changing an Existing Administrator Password
13
Disabling a Forgotten Password and Setting a New Password
14
Entering System Setup
14
System Setup Screens
14
System Setup Options
15
Selecting the Boot Device for the Current Boot
19
Changing Boot Sequence for Future Boots
19
Boot Menu
19
Clearing Forgotten Passwords
20
Booting to a USB Device
20
Memory Key
20
Clearing CMOS Settings
21
Power Management
22
Hyper-Threading and Dual-Core Technology
22
About RAID Configurations
22
RAID Level
22
Raid Level 1
23
Raid Level 5
23
Setting Your Computer to RAID-Enabled Mode
24
Configuring Your Computer for RAID Using the Intel Matrix Storage Manager
24
Creating a RAID Level 0 Configuration
24
Creating a Raid Level 1 Configuration
25
Deleting a Raid Volume
25
Migrating to a Raid Level 0 Configuration
26
Migrating to a RAID Level 1 Configuration
27
Migrating to a RAID Level 5 Configuration
27
Creating a Spare Hard Drive
27
Configuring Your Computer for RAID Using the Intel® RAID Option ROM Utility
28
About the Battery
31
Replacing the Battery
31
Before You Begin
33
Recommended Tools
33
Turning off Your Computer
33
Before Working Inside Your Computer
33
Expansion Card Support
35
Installing an Expansion Card
35
Removing an Expansion Card
38
Copying Cds and Dvds
41
How to Copy a CD or DVD
41
Using Blank Cds and Dvds
41
Helpful Tips
42
Cleaning Your Computer
43
Computer, Keyboard, and Monitor
43
Floppy Drive
43
Cleaning an Optical Mouse
43
Cds and Dvds
44
Removing the Processor
45
Installing the Processor
47
Tower Computer Drives
50
Desktop Computer Drives
50
General Drive Installation Guidelines
52
Power Cable Connectors
52
Hard Drive
53
Removing the Drive Panel
64
Removing a Drive-Panel Insert
65
Replacing a Drive-Panel Insert
66
Replacing the Drive Panel
66
Floppy Drive
67
Media Card Reader
75
CD/DVD Drive
82
FCC Notice (U.S. Only)
89
FCC Class B
89
Information about Your Computer
90
Finding Information
90
Specifications
92
Caring for Your Computer
95
Getting Help
96
Technical Assistance
96
Online Services
96
Problems with Your Order
97
Product Information
97
Returning Items for Warranty Repair or Credit
97
Autotech Service
97
Technical Support Service
97
Before You Call
98
Contacting Dell
98
I/O-Panel Components
115
Removing the I/O Panel
115
Replacing the I/O Panel
116
Fully Buffered DIMM (FBD) Memory Overview
118
Addressing Memory with 4-GB or Greater Configurations
118
Memory Installation
118
Removing Memory
119
Installing Memory
119
Removing the Power Supply
122
Replacing the Power Supply
122
Removing the Computer Cover and Front Panel
124
Rotating the Hard-Drive Carrier out of the Computer
125
Removing the Front Panel
125
Changing between Tower and Desktop Modes
127
Replacing the Front Panel and Computer Cover
130
Rotating the Hard-Drive Carrier Back into the Computer
130
Replacing the Front Panel
131
Replacing the Computer Cover
131
Removing the Chassis Intrusion Switch
135
Replacing the Chassis Intrusion Switch
135
Resetting the Chassis Intrusion Detector
135
Removing the System Board
137
Replacing the System Board
139
Notes, Notices, and Cautions
140
Abbreviations and Acronyms
140
Diagnostic Light Codes before POST
141
Diagnostic Lights
141
Diagnostic Light Codes During POST
142
Beep Codes
143
Error Messages
144
When to Use the Dell Diagnostics
147
Starting the Dell Diagnostics from Your Hard Drive
147
Starting the Dell Diagnostics from the Drivers and Utilities CD
148
Dell Diagnostics Main Menu
148
What Is a Driver
149
Identifying Drivers
149
Reinstalling Drivers and Utilities
149
Using Windows Xp Device Driver Rollback
149
Restoring Your Operating System
150
Using the Drivers and Utilities CD
150
Manually Reinstalling Drivers
150
Using Microsoft Windows Xp System Restore
150
Using Dell PC Restore by Symantec
151
Creating a Restore Point
151
Restoring the Computer to an Earlier Operating State
151
Undoing the Last System Restore
151
Enabling System Restore
151
Removing Dell PC Restore
152
Using the Operating System CD
153
Reinstalling Windows Xp
153
Solving Problems
154
Troubleshooting Tips
154
Battery Problems
154
Card Problems
154
Card Fan Problems
155
Drive Problems
155
E-Mail, Modem, and Internet Problems
156
CD and DVD Drive Problems
156
Hard Drive Problems
156
IEEE 1394 Device Problems
157
Keyboard Problems
158
Lockups and Software Problems
158
The Computer Does Not Start up
158
The Computer Stops Responding
158
A Program Stops Responding
158
A Program Crashes Repeatedly
158
Media Card Reader Problems
159
A Solid Blue Screen Appears
159
Other Software Problems
159
Memory Problems
160
Mouse Problems
160
Network Problems
161
Power Problems
161
Printer Problems
162
Serial or Parallel Device Problems
162
Sound and Speaker Problems
162
No Sound from Speakers
163
No Sound from Headphones
163
Video and Monitor Problems
163
If the Screen Is Blank
164
If the Screen Is Difficult to Read
164
Transferring Information to a New Computer
165
Running the Files and Settings Transfer Wizard with the Operating System CD
165
Running the Files and Settings Transfer Wizard Without the Operating System CD
166
Start Menu
167
Control Panel
167
Choosing a Wallpaper
167
Choosing a Screen Saver
168
Creating Shortcuts
168
Desktop Cleanup Wizard
169
Internet Connection Firewall
169
Setting up a Home and Office Network
169
Connecting to a Network Adapter
169
Network Setup Wizard
170
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Dell Precision 490 Desktop Specifications
General
Brand
Dell
Model
Precision 490 Desktop
Category
Desktop
Language
English
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