Dell Precision 690 Manuel d'utilisateur Page 19
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
2. Remove the computer cover (see Removing the Computer Cover).
3. Locate the 2-pin password jumper (PSWD) on the system board, and remove the jumper plug; set the plug aside. For help locating the jumper, see
System Board Components.
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 your computer (see Turning Off Your Computer).
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. Remove the computer cover (see Removing the Computer Cover).
9. Locate the 2-pin password jumper on the system board and attach the jumper plug to its pins to re-enable the password feature. For more information
see System Board Components.
10. Replace the computer cover (see Replacing the Computer Cover).
11. Connect your computer and devices to electrical outlets, and turn them on.
12. Assign a new system and/or setup password. See System Setup.
Clearing CMOS Settings
1. Follow the procedures in Before You Begin.
2. Remove the computer cover (see Removing the Computer Cover).
3. Reset the current CMOS settings:
a. Locate the password and CMOS jumpers (RTCRST) on the system board (see System Board Components.
b. Remove the password jumper plug from its pins.
c. Place the password jumper plug on the RTCRST pins and wait approximately 5 seconds.
Jumper
Setting
Description
PSWD
Password features are enabled (default setting).
Password features are disabled.
RTCRST
The real-time clock has not been reset (default setting).
The real-time clock is being reset.
jumpered unjumpered
NOTE: When you receive your computer, the password jumper plug is on the password jumper.
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
NOTE: This procedure enables the password feature. When you enter system setup (See System Setup), both system and administrator password
options appear as Not Set—meaning that the password feature is enabled but no password is assigned.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
- Notes, Notices, and Cautions 1
- About Your Computer 2
- Back View 3
- Back Panel Connectors 3
- Inside View 5
- System Board Components 5
- Cable Colors 7
- Advanced Features 8
- Security 9
- Password Protection 10
- Typing Your System Password 11
- Administrator Password 12
- System Setup 13
- System Setup Options 14
- Boot Menu 17
- Booting to a USB Device 18
- Clearing CMOS Settings 19
- Power Management 20
- IEEE 1394 20
- About RAID Configurations 21
- RAID Configuration Utility 22
- Exit Screen 23
- Activating a RAID Volume 25
- Deleting a RAID Volume 25
- Battery 26
- Replacing the Battery 27
- Before You Begin 28
- Cards 30
- Removing an Expansion Card 34
- Copying CDs and DVDs 45
- Helpful Tips 46
- Cleaning Your Computer 47
- CDs and DVDs 48
- Processor 49
- Installing the Processor 51
- Drives 54
- Hard Drive 55
- Drive Panels 63
- Removing the Drive Panel 64
- Floppy Drive 66
- Installing a Floppy Drive 68
- Media Card Reader 70
- CD/DVD Drive 73
- Installing a CD/DVD Drive 75
- FCC Notice (U.S. Only) 77
- Finding Information 78
- Operating System CD 79
- Specifications 80
- Getting Help 84
- Problems With Your Order 85
- Product Information 85
- Before You Call 86
- Contacting Dell 86
- Glossary 96
- I/O Panel 104
- Replacing the I/O Panel 105
- Memory 106
- Power Supply 119
- Replacing the Power Supply 120
- Computer Stand 127
- Chassis Intrusion Switch 129
- System Board 131
- Replacing the System Board 133
- Diagnostic Lights 136
- Beep Codes 138
- Error Messages 139
- Dell Diagnostics 143
- Drivers 144
- Identifying Drivers 145
- Creating a Restore Point 146
- Enabling System Restore 147
- Removing Dell PC Restore 148
- Before You Begin 148
- Reinstalling Windows XP 149
- Solving Problems 150
- Card Fan Problems 151
- Drive Problems 151
- CD and DVD drive problems 152
- Hard drive problems 152
- IEEE 1394 Device Problems 153
- Keyboard Problems 154
- Media Card Reader Problems 155
- Memory Problems 156
- Mouse Problems 156
- Network Problems 157
- Power Problems 157
- Printer Problems 158
- Sound and Speaker Problems 159
- Video and Monitor Problems 160
- Back to Contents Page 161
- Choosing a Wallpaper 164
- Choosing a Screen Saver 165
- Choosing a Desktop Theme 165
- Desktop Cleanup Wizard 166
- Network Setup Wizard 167
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