Dell PowerEdge 1750 - Manual (Page 51)

After you verify the password, the Setup Password setting changes to Enabled. The next time you enter the System Setup program, the system prompts you
for the setup password.
A change to the Setup Password option becomes effective immediately (restarting the system is not required).
Operating With a Setup Password Enabled
If Setup Password is set to Enabled, you must enter the correct setup password before you can modify most of the System Setup options. When you start
the System Setup program, the program prompts you to enter a password.
If you do not enter the correct password in three attempts, the system lets you view, but not modify, the System Setup screens—with the following
exception: If System Password is not set to Enabled and is not locked through the Password Status option, you can assign a system password (however,
you cannot disable or change an existing system password).
Deleting or Changing an Existing Setup Password
1. Enter the System Setup program and select the System Security option.
2. Highlight the Setup Password option, press <Enter> to access the setup password window, and press <Enter> twice to clear the existing setup
password.
The setting changes to Not Enabled.
3. If you want to assign a new setup password, perform the steps in " Assigning a Setup Password ."
Disabling a Forgotten Password
You can use the password jumper on the system board to enable or disable the password features or clear any password(s) currently in use.
To disable a forgotten system password or setup password, perform the following steps.
1. Open the system covers. See " Opening the System Covers ."
2. See Figure 5 -2 for the location of the password jumper (labeled "PASSWD") on the system board.
3. Remove the jumper plug from the PASSWD jumper.
4. Close the system covers. See " Closing the System Covers ."
5. Reconnect the system to an electrical outlet and turn it on.
The existing passwords are not disabled (erased) until the system boots with the PASSWD jumper plug removed. However, before you assign a new
system and/or setup password, you must reinstall the jumper plug.
6. Repeat step 1.
7. Install the jumper plug on the PASSWD jumper.
8. Close the system covers, and then reconnect the system and peripherals to their electrical outlets and turn them on.
9. Assign a new system and/or setup password.
To assign a new passwords using the System Setup program, see "Assigning a System Password" in the User's Guide.
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NOTE: You can use the Password Status option in conjunction with the Setup Password option to protect the system password from unauthorized
changes.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See
your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.
NOTE: If you assign a new system and/or setup password with the jumper plug still removed, the system disables the new password(s) the next
time it boots.