Dell Dimension E520 Instrukcja Właściciela Strona 41
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Solving Problems 41
Power Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
RUN THE HARDWARE TROUBLESHOOTER — See "Resolving Software and Hardware Incompatibilities"
on page 53.
IF THE POWER LIGHT IS GREEN AND THE COMPUTER IS NOT RESPONDING — See "Diagnostic Lights"
on page 47.
IF THE POWER LIGHT IS BLINKING GREEN — The computer is in standby mode. Press a key on the
keyboard, move the mouse, or press the power button to resume normal operation.
IF THE POWER LIGHT IS OFF — The computer is either turned off or is not receiving power.
• Reseat the power cable into both the power connector on the back of the computer and the electrical
outlet.
• If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical
outlet and that the power strip is turned on. Also bypass power protection devices, power strips, and
power extension cables to verify that the computer turns on properly.
• Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
• Ensure that the main power cable and front panel cable are securely connected to the system board (see
"System Board Components" on page 68).
IF THE POWER LIGHT IS STEADY AMBER — A device might be malfunctioning or incorrectly installed.
• Ensure that the 12-volt power connector (12V) is securely connected to the system board (see "System
Board Components" on page 68).
• Remove and then reinstall the memory modules (see "Installing Memory" on page 70).
• Remove and then reinstall any cards (see "Cards" on page 73).
• Remove and then reinstall the graphics card, if applicable (see "PCI Express Cards" on page 77).
IF THE POWER LIGHT IS BLINKING AMBER — The computer is receiving electrical power, but an
internal power problem might exist.
• Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).
See "Back View of the Computer" on page 63.
• Ensure that the 12-volt power connector (12V) is securely connected to the system board (see "System
Board Components" on page 68).
- 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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