Dell Dimension E520 Manual do Proprietário Página 120
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120 Appendix
Changing Boot Sequence for Future Boots
1
Enter system setup (see "Entering System Setup" on page 113).
2
Use the arrow keys to highlight the
Boot Sequence
menu option and press <Enter> to access the
menu.
NOTE: Write down your current boot sequence in case you want to restore it.
3
Press the up- and down-arrow keys to move through the list of devices.
4
Press the spacebar to enable or disable a device (enabled devices have a checkmark).
5
Press plus (+) or minus (–) to move a selected device up or down the list.
Clearing Forgotten Passwords
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide.
1
Follow the procedures in "Before You Begin" on page 59.
2
Locate the 2-pin password jumper (CLRPSWD) on the system board (see "System Board
Components" on page 68), and remove the jumper plug from pins 1 and 2 to clear the password.
3
Close the computer cover (see "Replacing the Computer Cover" on page 106).
4
Connect your computer and monitor to electrical outlets, and turn them on.
5
After the Microsoft
®
Windows
®
desktop appears on your computer, shut down the computer (see
"Turning Off Your Computer" on page 59).
6
Turn off the monitor and disconnect it from the electrical outlet.
- Dell™ Dimension™ E520 1
- Owner’s Manual 1
- Notes, Notices, and Cautions 2
- Abbreviations and Acronyms 2
- Contents 3
- 4 Contents 4
- 6 Contents 6
- 8 Contents 8
- Finding Information 9
- 10 Finding Information 10
- 12 Finding Information 12
- Setting Up a Printer 13
- Connecting to the Internet 14
- Playing CDs and DVDs 16
- Adjusting the Volume 17
- Adjusting the Picture 17
- Copying CDs and DVDs 18
- Helpful Tips 19
- Connecting Two Monitors 22
- Connecting a TV 23
- Changing the Display Settings 23
- Standby Mode 25
- Hibernate Mode 25
- Power Options Properties 26
- Hyper-Threading 27
- About RAID Configurations 27
- RAID Level 1 28
- Troubleshooting RAID 29
- RAID Option ROM Utility 29
- Dell™ DataSafe (Optional) 30
- Solving Problems 31
- Drive Problems 32
- Hard drive problems 33
- Error Messages 34
- Keyboard Problems 35
- Lockups and Software Problems 36
- Media Card Reader Problems 38
- Memory Problems 39
- Mouse Problems 39
- Network Problems 40
- Power Problems 41
- Printer Problems 42
- Scanner Problems 43
- Sound and Speaker Problems 43
- No sound from headphones 44
- Video and Monitor Problems 45
- 46 Solving Problems 46
- Troubleshooting Tools 47
- 48 Troubleshooting Tools 48
- Dell Diagnostics 50
- What Is a Driver? 51
- Reinstalling Drivers 52
- Identifying Drivers 52
- Troubleshooting Tools 53 53
- Using Microsoft 54
- Windows XP System Restore 54
- Enabling System Restore 55
- Removing Dell PC Restore 56
- Using the Operating System CD 57
- 58 Troubleshooting Tools 58
- Front View of the Computer 61
- Back View of the Computer 63
- Back Panel Connectors 64
- Removing the Computer Cover 65
- Inside View of Your Computer 67
- System Board Components 68
- DDR2 Memory Overview 69
- Installing Memory 70
- Removing Memory 72
- PCI Cards 73
- Installing a PCI Card 74
- PCI Express Cards 77
- Installing a PCI Express Card 78
- Drive Panel 82
- Removing the Drive Panel 83
- Replacing the Drive Panel 85
- Connecting Drive Cables 87
- Drive Interface Connectors 87
- Hard Drive 88
- Installing a Hard Drive 90
- Adding a Second Hard Drive 91
- Installing a Floppy Drive 94
- Media Card Reader 97
- CD/DVD Drive 100
- 1 power cable 2 data cable 101
- Installing a CD/DVD Drive 102
- 1 CD/DVD drive 2 screws (3) 103
- Replacing the Battery 105
- Replacing the Computer Cover 106
- Removing and Installing Parts 108
- Appendix 109
- 110 Appendix 110
- 112 Appendix 112
- System Setup 113
- System Setup Options 114
- Onboard Devices 115
- Execute Disable 117
- Power Management 117
- 118 Appendix 118
- Maintenance 118
- POST Behavior 118
- Boot Sequence 119
- Clearing Forgotten Passwords 120
- Clearing CMOS Settings 121
- Cleaning Your Computer 121
- Floppy Drive 122
- CDs and DVDs 122
- FCC Notice (U.S. Only) 123
- Contacting Dell 124
- 126 Appendix 126
- 128 Appendix 128
- 130 Appendix 130
- 132 Appendix 132
- 134 Appendix 134
- 136 Appendix 136
- 138 Appendix 138
- 140 Appendix 140
- 142 Appendix 142
- 144 Appendix 144
- Printers, and Projectors 144
- 146 Appendix 146
- Glossary 147
- 148 Glossary 148
- 150 Glossary 150
- 152 Glossary 152
- 154 Glossary 154
- 156 Glossary 156
- Index 157 157
- 158 Index 158
- Index 159 159
- 160 Index 160
- Index 161 161
- 162 Index 162
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