Dell XPS 430 Manuel d'entretien - Page 37

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Dell XPS 430 Manuel d'entretien
5. Press plus (+) or minus (–) to move a selected device up or down the list.
 Clearing Forgotten Passwords
 
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.
NOTICE:
This process erases both the system and setup passwords.
 
1. Follow the procedures in
Before You
 
2. Remove the computer cover (see
 
3. Locate the RTCRST_PSWD jumper on the system board (see
and set the plug aside.
 
4. Close the computer cover.
 
5. Connect your keyboard and mouse, then connect your computer and monitor to electrical outlets and turn them on.
 
6. After the Microsoft® Windows® desktop appears on your computer, turn the computer off:
a.  Save and close all open files and exit all open programs.
b.  Shut down the operating system.
NOTE:
Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the operating system,
press and hold the power button for 4 seconds.
 
7. Disconnect the keyboard and mouse, then disconnect the computer and monitor from their electrical outlets.
 
8. Press the power button on the computer to ground the system board.
 
9. Open the computer cover (see
 
10. Locate pins three and four of the RTCRST_PSWD jumper on the system board (see
enable the password feature.
 
11. Replace the computer cover (see
 
12. Connect your computer and devices to electrical outlets, and then turn them on.
NOTE:
In system setup (see
enabled but a password is not assigned.
 Clearing CMOS Settings
 
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.
NOTE:
This procedure clears and resets system and setup passwords.
 
1. Follow the procedures in
Before You
Begin.
Removing the Computer
Cover).
System Board
Removing the Computer
Cover).
Replacing the Computer
Cover).
Entering System
Setup), both system and administrator password options appear as Not Set. The password feature is
Begin.
Components), then remove the jumper plug (located on pins three and four)
System Board
Components), and then reinstall the jumper plug to