Dell Dimension C521 Bedienungsanleitung Seite 60
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60 Removing and Installing Parts
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help
ensure your own personal safety.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide.
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a
card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its
pins.
NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing
that is not authorized by Dell is not covered by your warranty.
NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself.
Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in the locking
tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any
connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.
NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the
computer.
1
Turn off your computer (see "Turning Off Your Computer" on page 59).
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the
network port or device.
2
Disconnect any telephone or telecommunication lines from the computer.
3
Disconnect your computer and all attached devices from their electrical outlets, and then press the
power button to ground the system board.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
removing the cover.
4
Remove the computer cover (see "Removing the Computer Cover" on page 60).
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface,
such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to
dissipate any static electricity that could harm internal components.
Removing the Computer Cover
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
removing the cover.
1
Follow the procedures in "Before You Begin" on page 59.
NOTICE: Ensure that sufficient space exists to support the removed cover—at least 30 cm (1 ft) of desktop space.
- 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
- NOTE: The color of your CD 12
- Front View of the Computer 13
- Back View of the Computer 15
- Back Panel I/O Connectors 16
- Setting Up a Printer 17
- Connecting to the Internet 18
- Playing CDs and DVDs 20
- Adjusting the Volume 21
- Copying CDs and DVDs 22
- Using Blank CDs and DVDs 23
- Helpful Tips 23
- Power Management 27
- Power Options Properties 28
- Advanced Tab 29
- Hibernate Tab 29
- Solving Problems 31
- CD and DVD drive problems 32
- Hard drive problems 33
- Error Messages 34
- Keyboard Problems 35
- Lockups and Software Problems 36
- A solid blue screen appears 37
- Other software problems 37
- Media Card Reader Problems 38
- Memory Problems 38
- Mouse Problems 39
- Network Problems 40
- Power Problems 40
- Printer Problems 41
- Scanner Problems 42
- Sound and Speaker Problems 43
- Video and Monitor Problems 44
- 46 Solving Problems 46
- Advanced Troubleshooting 47
- Diagnostic Lights 48
- Dell Diagnostics 50
- Dell Diagnostics Main Menu 51
- What Is a Driver? 52
- Identifying Drivers 52
- Reinstalling Drivers 53
- Using Microsoft 54
- XP System Restore 54
- Enabling System Restore 55
- Removing Dell PC Restore 57
- 58 Advanced Troubleshooting 58
- Removing and Installing Parts 59
- Removing the Computer Cover 60
- Inside View of Your Computer 62
- System Board Components 63
- DDR2 Memory Overview 64
- Installing Memory 65
- Removing Memory 68
- Installing an Expansion Card 69
- Removing an Expansion Card 73
- Connecting Drive Cables 75
- Drive Interface Connectors 76
- Power Cable Connector 76
- Hard Drive 77
- Installing a Hard Drive 78
- Installing a Floppy Drive 82
- Media Card Reader 83
- Removing a Media Card Reader 84
- CD/DVD Drive 86
- Removing a CD/DVD Drive 87
- Installing a CD/DVD Drive 87
- Replacing the Battery 89
- Replacing the Computer Cover 90
- Appendix 93
- 94 Appendix 94
- 96 Appendix 96
- System Setup 97
- System Setup Options 98
- 100 Appendix 100
- Boot Menu 102
- Jumper Locations 104
- Clearing Password Settings 104
- Cleaning Your Computer 105
- Floppy Drive 106
- CDs and DVDs 106
- FCC Notice (U.S. Only) 107
- Contacting Dell 108
- 110 Appendix 110
- 112 Appendix 112
- 114 Appendix 114
- 116 Appendix 116
- 118 Appendix 118
- 120 Appendix 120
- 122 Appendix 122
- 124 Appendix 124
- Printers, and Projectors 125
- 126 Appendix 126
- Glossary 127
- 128 Glossary 128
- 130 Glossary 130
- 132 Glossary 132
- 134 Glossary 134
- 136 Glossary 136
- Index 137 137
- 138 Index 138
- Index 139 139
- 140 Index 140
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