Dell Dimension 4600C - Manual (Page 48)

The following table shows System Security option information.
Clearing Forgotten Passwords
If you forget your user 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 through the Start menu.
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. Remove the computer stand , if it is attached.
5. Open the computer cover .
6. Locate password jumper PWD1 on the system board and remove the jumper plug.
7. Close the computer cover , plug your computer into an electrical outlet, and then turn on the computer.
The existing password(s) will be erased.
8. Shut down the computer through the Start menu.
9. Turn off any attached devices and disconnect them from their electrical outlets.
10. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
11. Open the computer cover .
12. Reconnect the jumper plug to password jumper PWD1 on the system board .
13. Close the computer cover .
14. Attach the computer stand (optional).
15. Connect your computer and devices to electrical outlets, and turn them on.
Low Power Mode Minimizes power use when the computer is off. The default is Disabled.
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 Not Enabled.
Setup Password Enables and disables the setup password. The default is Not Enabled.
POST Hotkeys Selects key that are active during POST. The default is F2 and F12.
PXE BIS Default
Policy
Specifies how the computer responds 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.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information
Guide.
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.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.