Dell Dimension 4300S - Manual (Page 43)

The following table shows System Security option information.
Clearing Forgotten Passwords
If you forget your system or setup password, you cannot operate your computer or change settings in the system setup program until you clear the forgotten
password(s).
1. Shut down the computer .
2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
4. Open the computer cover .
5. Locate jumper PSWD on the system board and remove the jumper plug.
6. Close the computer cover , plug your computer into an electrical outlet, and turn on the computer.
The existing password(s) are erased.
7. Shut down the computer .
8. Turn off any attached devices and disconnect them from their electrical outlets.
9. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
10. Open the computer cover .
11. Install the PSWD jumper plug.
12. Close the computer cover , plug your computer into an electrical outlet, and turn on the computer.
Turning on your computer with the PSWD jumper installed reenables the password feature.
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Diskette Interface Sets diskette interface options. The default is Auto.
PC Speaker Turns the PC speaker off and on. The default is On.
Primary Video Controller Sets the primary video controller. The default is AGP.
Video DAC Snoop Turns the video DAC Snoop off and on. The default is Off.
Option Function
Password
Status Locks and unlocks the password option. The default is Unlocked.
System
Password Enables and disables the system password. The default is Disabled.
Setup
Password Enables and disables the setup password. The default is Disabled.
PXE BIS
Default Policy Specifies how the computer will respond to boot integrity services authentication requests when no certificate has been installed. When set
to Deny (the default), this request is rejected. The request is accepted when set to Accept. (Dell does not support Wake on LAN or PXE on
this Dimension system and cannot assist you with debugging a Wake on LAN or a PXE failure—those features are enabled only for your
convenience.)
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions on " Safety Instructions ."
NOTICE: This process erases both the system and setup passwords.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.