Dell Dimension U7021 Manuals

Manuals and User Guides for Dell Dimension U7021. We have 1 Dell Dimension U7021 manual available for free PDF download: Owner's Manual

Dell Dimension U7021 Owner's Manual

Dell Dimension U7021 Owner's Manual (154 pages)

Dell Desktop Computer Owner's Manual

Brand: Dell | Category: Desktop | Size: 5.55 MB

Table of Contents

Table of Contents
3
Finding Information
9
1 Setting up and Using Your Computer

13
- Opening the Drive Door
  13
- Changing the Front-Panel Light Color
  14
- Connecting Two Monitors
  15
- About Serial ATA Drives
  17
- About Your RAID Configuration
  17
- Transferring Information to a New Computer
  25
- Playing Cds and Movies
  26
  - Playing a CD or DVD
    26
  - Adjusting the Volume
    28
  - Adjusting the Picture
    28
- Copying Cds and Dvds
  28
- Network Setup Wizard
  30
- Power Management
  31
  - Overview
    31
  - Standby Mode
    31
  - Hibernate Mode
    31
  - Power Options Properties
    32
2 Optimizing Performance

35
- Hyper-Threading
  35
- Overclocking
  35
- PCI Express Cards
  36
3 Solving Problems

37
- Troubleshooting Tips
  37
- Battery Problems
  37
- Drive Problems
  37
  - CD and DVD Drive Problems
    38
  - Hard Drive Problems
    39
- E-Mail, Modem, and Internet Problems
  39
- Error Messages
  40
- IEEE 1394 Device Problems
  41
- Keyboard Problems
  41
- Lockups and Software Problems
  42
- Memory Problems
  44
- Mouse Problems
  44
- Network Problems
  45
- Power Problems
  46
- Printer Problems
  47
- Scanner Problems
  47
- Sound and Speaker Problems
  48
  - No Sound from Speakers
    48
  - No Sound from Headphones
    49
- Video and Monitor Problems
  50
  - If the Screen Is Blank
    50
  - If the Screen Is Difficult to Read
    50
4 Advanced Troubleshooting

53
- Diagnostic Lights
  53
- Dell Diagnostics
  56
  - When to Use the Dell Diagnostics
    56
- Drivers
  59
  - What Is a Driver
    59
  - Identifying Drivers
    59
  - Reinstalling Drivers
    60
- Using Microsoft ® Windows ® XP System Restore
  61
- Using Dell PC Restore by Symantec
  63
- Resolving Software and Hardware Incompatibilities
  64
- Reinstalling Microsoft ® Windows ® XP
  64
  - Before You Begin
    64
  - Reinstalling Windows XP
    65
5 Removing and Installing Parts

67
- Before You Begin
  67
- Front and Back View of the Computer
  69
  - Front View
    69
  - Front View (Doors Open)
    70
  - Back View
    71
- Opening the Computer Cover
  73
- Inside View of Your Computer
  74
- System Board Components
  75
- Memory
  76
  - Installing Memory
    77
  - Removing Memory
    79
- Cards
  79
  - PCI Cards
    80
  - PCI Express Cards
    83
- Drives
  88
  - General Installation Guidelines
    88
  - Connecting Drive Cables
    89
- Hard Drive
  90
  - Removing a Hard Drive
    90
  - Installing a Hard Drive
    91
  - Adding a Second Hard Drive
    94
- Floppy Drive
  95
  - Removing a Floppy Drive
    96
  - Installing a Floppy Drive
    96
- CD/DVD Drive
  98
  - Removing a CD/DVD Drive
    98
  - Installing a CD/DVD Drive
    99
- Processor Airflow Shroud
  102
  - Removing the Processor Airflow Shroud
    102
  - Installing the Processor Airflow Shroud
    103
- Processor
  103
  - Removing the Processor
    103
  - Installing the Processor
    106
- Front Panel
  108
  - Removing the Front Panel
    108
  - Replacing the Front Panel
    109
- Drive Door
  110
  - Removing the Drive Door
    110
  - Replacing the Drive Door
    111
- Battery
  113
  - Replacing the Battery
    113
- Closing the Computer Cover
  114
6 Appendix

115
- Specifications
  115
- System Setup
  119
  - Overview
    119
  - Entering System Setup
    120
  - System Setup Options
    121
  - Boot Sequence
    124
- Clearing Forgotten Passwords
  126
- Clearing CMOS Settings
  127
- Cleaning Your Computer
  127
  - Computer, Keyboard, and Monitor
    127
  - Mouse
    128
  - Floppy Drive
    128
  - Cds and Dvds
    128
- Dell Technical Support Policy (U.S. Only)
  129
  - Definition of "Dell-Installed" Software and Peripherals
    129
  - Definition of "Third-Party" Software and Peripherals
    129
- FCC Notices (U.S. Only)
  129
  - Class a
    130
  - Class B
    130
  - FCC Identification Information
    131
- Contacting Dell
  131
Index

149

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