Dell OptiPlex 745c (Early 2007) - Manual (Page 7)

To escape from the field without assigning a system password, press or the key combination to move to another field, or press at
any time before you complete step 5.
1. Enter system setup (see Entering System Setup ) and verify that Password Status is set to Unlocked.
2. Highlight System Password, and then press the left- or right-arrow key.
The option heading changes to Enter Password, followed by an empty 32-character field in square brackets.
3. Type your new system password.
You can use up to 32 characters. To erase a character when entering your password, press or the left-arrow key. The password is not
case sensitive.
Certain key combinations are not valid. If you enter one of these combinations, the speaker emits a beep.
As you press each character key (or the spacebar for a blank space), a placeholder appears in the field.
4. Press .
If the new system password is less than 32 characters, the whole field fills with placeholders. Then the option heading changes to Verify Password,
followed by another empty 32-character field in square brackets.
5. To confirm your password, type it a second time and press .
The password setting changes to Set.
6. Exit system setup.
Password protection takes effect when you restart the computer.
Typing Your System Password
When you start or restart your computer, the following prompt appears on the screen.
If Password Status is set to Locked:
Type the password and press .
If you have assigned an administrator password, the computer accepts your administrator password as an alternate system password.
If you type a wrong or incomplete system password, the following message appears on the screen:
** Incorrect password. **
If you again type an incorrect or incomplete system password, the same message appears on the screen. The third and subsequent times you type an
incorrect or incomplete system password, the computer displays the following message:
** Incorrect password. **
Number of unsuccessful password attempts: 3
System halted! Must power down.
Even after your computer is turned off and on, the previous message is displayed each time you type an incorrect or incomplete system password.
Deleting or Changing an Existing System Password
1. Enter system setup (see Entering System Setup ).
2. Highlight System Password and press .
3. When prompted, type the system password.
4. Press twice to clear the existing system password. The setting changes to Not Set.
If Not Set is displayed, the system password is deleted. If Not Set is not displayed, press to restart the computer, and then repeat steps 3
and 4.
5. To assign a new password, follow the procedure in Assigning a System Password .
6. Exit system setup.
NOTE: You can use Password Status in conjunction with System Password and Admin Password to further protect your computer from unauthorized
changes.