Dell 400 Manuel d'utilisateur Page 123
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Appendix 123
Clearing Forgotten Passwords
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
1
Follow the procedures in "Before You Begin" on page 63.
2
Locate the 3-pin password jumper (PSWD) on the system board (see page 71), and attach the
jumper plug to pins 2 and 3 to clear the password.
NOTE: When you receive your computer, the jumper plug is attached to pins 1 and 2.
3
Close the computer cover (see page 110).
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 page 63).
6
Turn off the monitor and disconnect it from the electrical outlet.
7
Disconnect the computer power cable from the electrical outlet, and press the power button
to ground the system board.
8
Open the computer cover (see page 68).
9
Locate the 3-pin password jumper (PSWD) on the system board (see page 71) and attach the
jumper to pins 1 and 2 to reenable the password feature.
RTCRST
3 2 1
PSWD
3 2 1
- Dell™ XPS™ 400 1
- Owner’s Manual 1
- Notes, Notices, and Cautions 2
- Contents 3
- 2 Solving Problems 4
- 3 Troubleshooting Tools 5
- 6 Contents 6
- 5 Appendix 7
- 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
- Copying CDs and DVDs 18
- Using Blank CDs and DVDs 19
- Helpful Tips 19
- Connecting Two Monitors 21
- VGA (blue) connector 22
- DVI (white) connector 22
- TV-OUT connector 22
- Connecting a TV 23
- Changing the Display Settings 23
- Network Setup Wizard 24
- Power Management 25
- Power Options Properties 26
- IEEE 1394 27
- Hyper-Threading 28
- About Your RAID Configuration 28
- RAID Level 1 Configuration 29
- RAID Option ROM Utility 31
- Deleting a RAID Volume 32
- Application Accelerator 33
- Creating a Spare Hard Drive 36
- Solving Problems 37
- Drive Problems 38
- Hard drive problems 39
- 40 Solving Problems 40
- Error Messages 41
- Media Card Reader Problems 42
- Keyboard Problems 42
- Lockups and Software Problems 43
- A solid blue screen appears 44
- Other software problems 44
- Memory Problems 45
- Mouse Problems 45
- Network Problems 46
- Power Problems 47
- Printer Problems 48
- Scanner Problems 48
- Sound and Speaker Problems 49
- Video and Monitor Problems 50
- 52 Solving Problems 52
- Troubleshooting Tools 53
- 54 Troubleshooting Tools 54
- Dell Diagnostics 56
- What Is a Driver? 57
- Identifying Drivers 58
- Reinstalling Drivers 58
- Troubleshooting Tools 59 59
- Using Microsoft 60
- Windows XP System Restore 60
- Enabling System Restore 61
- Removing and Installing Parts 63
- Front View of the Computer 65
- Back View of the Computer 67
- Removing the Computer Cover 68
- Inside View of Your Computer 70
- System Board Components 71
- Memory Overview 72
- Installing Memory 74
- Removing Memory 76
- PCI Cards 77
- Removing a PCI Card 80
- PCI Express Cards 81
- Installing a PCI Express Card 82
- Removing a PCI Express Card 87
- Drive Panels 90
- Replacing the Drive Panel 93
- Hard Drive 94
- Removing a Hard Drive 95
- Installing a Hard Drive 96
- Adding a Second Hard Drive 97
- Media Card Reader 101
- Removing a Media Card Reader 102
- *Media Card Reader 103
- Not present on all computers 103
- CD/DVD Drive 105
- Removing a CD/DVD Drive 106
- Installing a CD/DVD Drive 107
- Replacing the Battery 109
- Replacing the Computer Cover 110
- Appendix 111
- 112 Appendix 112
- 114 Appendix 114
- System Setup 115
- Entering System Setup 116
- Appendix 117 117
- System Setup Options 118
- 120 Appendix 120
- Boot Sequence 121
- F2 = Setup, F12 = Boot Menu 122
- Clearing Forgotten Passwords 123
- Clearing CMOS Settings 124
- Cleaning Your Computer 124
- Floppy Drive 125
- CDs and DVDs 125
- FCC Notices (U.S. Only) 126
- Appendix 127 127
- Contacting Dell 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
- TV, Printers, and 145
- Projectors 145
- 146 Appendix 146
- Index 147 147
- 148 Index 148
- Index 149 149
- 150 Index 150
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