Clearing nvram, Clearing forgotten passwords – Dell Dimension 4400 User Manual
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Clearing NVRAM
To clear NVRAM for all devices and restart the computer:
1.
Enter the system setup program.
2.
Press the right-arrow key to move to the Advanced menu.
3.
Select the
Boot Configuration submenu by pressing
4.
Press the down-arrow key to highlight Reset Config Data. Then change the setting to Yes (see "
").
5.
Press
Clearing Forgotten Passwords
If you forget your supervisor 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 power cable from your computer, and then press the power button to ground the system board.
4.
Open the computer cover.
5.
Locate the
configuration jumper
on the system board, and move the jumper plug so that pins 2 and 3 are jumpered (to "clear" the password when you
turn on the computer).
6.
Close the computer cover
, connect your computer to an electrical outlet, and turn on the computer.
Option
Function
Exit Saving Changes
Saves any changes you have made, exits the system setup program, and restarts the computer.
Exit Discarding
Changes
Discards any changes you have made, exits the system setup program, and restarts the computer.
Load Setup Defaults
Discards any changes you have made and reverts all options to their defaults, but does not exit the system setup program.
Load Custom Defaults
Discards any changes you have made and reverts all options to their defaults, but does not exit the system setup program.
Save Custom Defaults
Saves any changes you have made, but does not exit the system setup program.
Discard Changes
Discards any changes you have made and reverts all options to their last saved settings, but does not exit the system setup
program.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in "
Safety Instructions
."
NOTICE:
The following procedure resets all standard settings for your computer. Before proceeding, record all current settings so that you can restore
them when you finish this procedure.
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.