Updating the Dell BIOS in Linux and Ubuntu environmentsIf you want to update the system BIOS in a Linux environment such as Ubuntu, see https://www.dell.com/support/article/us/en/19/sln171755/.System and setup passwordTable 50. System and setup passwordPassword type DescriptionSystem password Password that you must enter to log on to your system.Setup password Password that you must enter to access and make changes to theBIOS settings of your computer.You can create a system password and a setup password to secure your computer.CAUTION: The password features provide a basic level of security for the data on your computer.CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended.NOTE: System and setup password feature is disabled.Assigning a system setup passwordYou can assign a new System or Admin Password only when the status is in Not Set.To enter the system setup, press F2 immediately after a power-on or re-boot.1 In the System BIOS or System Setup screen, select Security and press Enter.The Security screen is displayed.2 Select System/Admin Password and create a password in the Enter the new password field.Use the following guidelines to assign the system password:• A password can have up to 32 characters.• The password can contain the numbers 0 through 9.• Only lower case letters are valid, upper case letters are not allowed.• Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).3 Type the system password that you entered earlier in the Confirm new password field and click OK.4 Press Esc and a message prompts you to save the changes.5 Press Y to save the changes.The computer reboots.Deleting or changing an existing system setup passwordEnsure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/orSetup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked.To enter the System Setup, press F2 immediately after a power-on or reboot.1 In the System BIOS or System Setup screen, select System Security and press Enter.System setup 141