Clearing forgotten passwords, Enabling the processor serial number – Dell Dimension 4500 User Manual
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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.
7.
and assign a new supervisor or setup password in the Maintenance menu.
8.
Exit and save the system setup program settings.
9.
After the computer boots, turn it off, and unplug it from the electrical outlet.
10.
Open the computer cover again.
11.
Move the configuration jumper plug so that pins 1 and 2 are jumpered (the "normal" setting).
12.
Close the computer cover, connect your computer to an electrical outlet, and turn on the computer.
Enabling the Processor Serial Number
The Intel® Pentium® microprocessor includes a processor serial number feature designed to provide additional user security and manageability benefits. By
default, this feature is disabled on Dell computers to protect your privacy. However, it can be enabled through the Processor Serial Number option in the
system setup program.
1.
Enter the system setup program.
2.
When the
screen appears, press the down-arrow key to highlight the Processor Serial Number option, and then press <Enter>.
3.
Select Enabled from the menu, and then press <Enter>.
4.
Use the right-arrow key to highlight Exit, and then press <Enter>.
5.
When prompted to confirm the changes you made, press <Enter>.
6.
The computer restarts with the processor serial number feature enabled.
To disable the processor serial number feature, repeat steps 1 through 5, selecting Disabled in step 3.
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Load Optimal 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.
NOTICE:
Do not change this setting by any means other than the system setup program. Otherwise, your computer may become unusable.
HINT:
The processor serial number feature remains enabled until you disable it in the system setup program.