Dell Precision 220 Manuel d'utilisateur Page 79
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Type the password and press <Enter>.
After you type the correct system password and press <Enter>, your system boots and you can use the keyboard and/or mouse to operate your
system as usual.
If you enter a wrong or incomplete system password, the following message appears on the screen:
** Incorrect password. **
Enter password:
If you again enter an incorrect or incomplete system password, the same message appears on the screen.
The third and subsequent times you enter an incorrect or incomplete system password, the system displays the following message:
** Incorrect password. **
Number of unsuccessful password attempts: 3
System halted! Must power down.
The number of unsuccessful attempts made to enter the correct system password can alert you to an unauthorized person attempting to use your
system.
Even after your system is turned off and on, the previous message is displayed each time an incorrect or incomplete system password is entered.
Deleting or Changing an Existing System Password
To delete or change an existing system password, perform the following steps:
1. Enter System Setup by pressing <F2>, and verify that Password Status is set to Unlocked.
2. Reboot your system to force it to prompt you for a system password.
3. When prompted, type the system password.
4. Press <Ctrl><Enter> to disable the existing system password, instead of pressing <Enter> to continue with the normal operation of your
system.
5. Confirm that Not Enabled is displayed for the System Password option of System Setup.
If Not Enabled appears in the System Password option, the system password has been deleted. If you want to assign a new
password, continue to step 6. If Not Enabled is not displayed for the System Password option, press <Alt><B> to reboot the system,
and then repeat steps 3 through 5.
6. To assign a new password, follow the procedure in "Assigning a System Password."
Using the Setup Password Feature
Your Dell system is shipped to you without the setup password feature enabled. If system security is a concern, you should operate your system
with setup password protection.
You can assign a setup password, as described in "Assigning a Setup Password," whenever you use System Setup. After you assign a setup
password, only those who know the password have full use of System Setup. See "Operating Your System With A Setup Password Enabled" for
more information.
To change an existing setup password, you must know the setup password. If you assign and later forget a setup password, you need to remove
the computer cover to change a jumper setting that disables the setup password feature (see "Disabling a Forgotten Password"). Note that you
erase the system password at the same time.
Assigning a Setup Password
You can assign a setup password only if Setup Password is set to Not Enabled. To assign a setup password, highlight Setup Password and
press the left- or right-arrow key. The system prompts you to enter and verify the password. If a character is illegal for password use, the system
emits a beep.
NOTE: If you have assigned a setup password (see "Using the Setup Password Feature"), the system accepts your setup password as
an alternate system password.
NOTE: You can use Password Status in conjunction with System Password and Setup Password to further protect your system from
unauthorized changes.
NOTES: The setup password can be the same as the system password.
- Backing Up Your Files 2
- Basic Checks 2
- Look and Listen 3
- System Setup 3
- Replacing the Battery 4
- International Dialing Codes 6
- Americas Contact Numbers 7
- Europe Contact Numbers 9
- Overview 15
- Features 15
- Before You Start Testing 15
- Advanced Testing 16
- Installing an Expansion Card 23
- Removing an Expansion Card 25
- Troubleshooting the Keyboard 26
- Troubleshooting the Mouse 26
- Troubleshooting the Monitor 26
- Troubleshooting I/O Ports 27
- Back to Contents Page 29
- Help Overview 29
- Contacting Dell 29
- Installing SCSI Devices 35
- Technical Assistance 38
- Help Tools 38
- Problems With Your Order 39
- Product Information 39
- Before You Call 40
- Internal Views 44
- System Board Components 45
- System Board Jumpers 46
- System Board Labels 47
- Troubleshooting the Battery 52
- Troubleshooting Drives 55
- Hardware Features 56
- Software Features 57
- Manageability Features 57
- ENERGY STAR®Compliance 59
- Installing RIMMs 60
- Removing Modules 61
- Securing clips (2) 62
- System Messages 63
- System Beep Codes 66
- Warning Messages 67
- Diagnostics Messages 67
- Diagnostic LEDs 68
- Getting Started 73
- Controls and Indicators 75
- Chassis Intrusion 77
- Password." 81
- AC Power Recovery 82
- Asset Tag 82
- Auto Power On 82
- Boot Sequence 82
- CPU Speed 83
- Integrated Devices 83
- Keyboard NumLock 85
- PCI IRQ Assignment 85
- Remote Wake Up 86
- Report Keyboard Errors 86
- Second Processor 86
- System Data 87
- System Date 87
- System Memory 87
- System Security 87
- System Time 88
- ZIP Floppy Support 88
- Error Messages 90
- Input Errors 90
- Memory-Resident Programs 91
- Program Conflicts 91
- Memory Address Conflicts 91
- BIOS Recovery Utility 92
- Processor 93
- System Information 93
- Expansion Bus 94
- Key Combinations 95
- Physical 96
- Environmental 96
- Using System Setup 97
- System Setup Options 97
- Entering System Setup 98
- System Setup Screen 98
- System Setup Navigation Keys 98
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