Dell P21T owner manual Updating the Bios, System and Setup Password

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Updating the BIOS

It is recommended to update your BIOS (system setup), on replacing the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet

1.Re-start the computer.

2.Go to dell.com/support.

3.Enter the Service Tag or Express Service Code and click Submit.

NOTE: To locate the Service Tag, click Where is my Service Tag?

NOTE: If you cannot find your Service Tag, click Detect My Product. Proceed with the instructions on screen.

4.If you are unable to locate or find the Service Tag, click the Product Category of your computer.

5.Choose the Product Type from the list.

6.Select your computer model and the Product Support page of your computer appears.

7.Click Get drivers and click View All Drivers. The Drivers and Downloads page opens.

8.On the Drivers and Downloads screen, under the Operating System drop-down list, select BIOS.

9.Identify the latest BIOS file and click Download File.

You can also analyze which drivers need an update. To do this for your product, click Analyze System for Updates and follow the instructions on the screen.

10.Select your preferred download method in the Please select your download method below window, click Download File.

The File Download window appears.

11.Click Save to save the file on your computer.

12.Click Run to install the updated BIOS settings on your computer. Follow the instructions on the screen.

System and Setup Password

You can create a system password and a setup password to secure your computer.

Password Type

Description

System 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 the BIOS settings of 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: Your computer is shipped with the system and setup password feature disabled.

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Contents Dell Latitude Page Contents Contacting Dell Working on Your Computer Before Working Inside Your ComputerTurning Off Your Computer After Working Inside Your Computer Recommended Tools Removing the Base CoverRemoving the Battery Installing the Base CoverFollow the procedures in After Working Inside Your Computer Base cover Battery Installing the BatteryRemoving the Audio Board Installing the Audio Board Removing the Display AssemblyPage Base cover Battery Display assembly Installing the Display AssemblyRemoving the Display Bezel Installing the Display Bezel Base cover Battery Display assembly Display bezel Removing the Display PanelInstalling the Display Panel Removing the CameraInstalling the Camera Removing the Power-Connector PortInstalling the Power-Connector Port Removing the Hard-Drive AssemblyPage Installing the Hard-Drive Assembly Installing the LED Board Base cover Battery Hard-drive assemblyRemoving the LED Board Removing the MemoryInstalling the Memory Removing the Coin-Cell BatteryRemoving the Keyboard Trim Installing the Coin-Cell BatteryFollow the steps in Before Working Inside Your Computer Battery Base cover Keyboard trim Installing the Keyboard TrimRemoving the Keyboard Installing the Keyboard Removing the Wlan Card Installing the Wlan CardRemoving the Heatsink Installing the Heatsink Base cover Battery Memory Heatsink Removing the System BoardBase cover Battery Memory Heatsink System board Installing the System BoardRemoving the Speaker Installing the Speaker Boot Sequence Navigation KeysSystem Setup Options UefiSATA-0 Video Functional in the operating system KEK Page Post Behavior Wlan Updating the Bios System and Setup PasswordAssigning a System Password and Setup Password Technical Specifications USB Page Page Page Diagnostics Enhanced Pre-Boot System Assessment ePSA DiagnosticsDevice Status Lights Battery Status Lights Contacting Dell