Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Precision 3480 and Latitude 5440 System BIOS

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses the Dell Security Advisories (DSA). A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
To view all drivers for your Precision 3480, go to Drivers and downloads.
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Latitude_5440_Precision_3480_1.18.1.exe | 51.59 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.
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File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_5440_Precision_3480_1.18.1.exe
File Size: 51.59 MB
Format Description
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
42b3954d7560961319516001a7e555ca
SHA1:
765ee6aebce6fa8c99e6d054f1701e8f6d139c81
SHA-256:
8e7362f56669d1bb0fb5bfb76fce49f0ae22965ac7b69a95998d6c0bb0e71980

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Fixes:
- This release contains security updates as disclosed in the Dell Security Advisories DSA-2024-373 and DSA-2024-281. For more information, see Dell Security Advisories and Notices.
- Fixed the issue where the system cannot exit the EFI Shell after entering it.
- Fixed the issue where the BIOS Recovery takes a long time when the Dell WD19 dock is connected to the system.
- Fixed the issue where the Integrated webcam version is displayed incorrectly in the Preboot Diagnostics.
- Fixed the issue where you cannot resume the system to the Preboot Execution Environment (PXE) through the Wake-on-LAN feature. This issue occurs when the system is connected to a dock.

Enhancements:
- Added the Wi-Fi 6 GHz certification for Mexico.
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Version

1.18.1, 1.18.1

Release date

12 Nov 2024

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
View Important Information
File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 51.59 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.
To ensure the integrity of your download, please verify the checksum value.
MD5:
42b3954d7560961319516001a7e555ca
SHA1:
765ee6aebce6fa8c99e6d054f1701e8f6d139c81
SHA-256:
8e7362f56669d1bb0fb5bfb76fce49f0ae22965ac7b69a95998d6c0bb0e71980
File Format: External release notes
File Name: Third-party License.txt
File Size: 1.17 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
fcf94f322af0e9ea2c8e7653119f536e
SHA1:
38221f0be18db3b392359d21beda45372a48f723
SHA-256:
6712dba91fdc70396b373e98587ec4669e8c8b0e24e1bcda8dce94e11c96abd4

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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- Once the BIOS is upgraded, you cannot downgrade the BIOS to earlier versions. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.
1.20.216 Jan 2025
1.19.018 Dec 2024
1.16.019 Aug 2024
1.14.321 June 2024
1.13.016 Apr 2024
1.12.013 Mar 2024
1.4.516 June 2023
1.3.005 May 2023
1.2.030 Mar 2023
1.1.116 Mar 2023
1.0.113 Mar 2023
BIOS
Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Updating the BIOS from BIOS Boot Menu (independent of operating system)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Installation
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click Ok.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a progress bar at the Dell logo screen. The system restarts again when the update is complete.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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