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.
To view all drivers for your Precision 3480, go to Drivers and downloads.
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Latitude_5440_Precision_3480_1.0.1.exe | 26.83 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.

File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_5440_Precision_3480_1.0.1.exe
File Size: 26.83 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:
0440c7014bfa6903e7d34b74fe9c792c
SHA1:
5e4af05c22272621d9a3d822954f387720f16e5c
SHA-256:
4bf7fa44358640229083326efdc48981172f0b088bd34a96702fe8a6c5260e9c

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

Fixes & Enhancements

- Initial Release
Read More

Version

1.0.1, 1.0.1

Release date

13 Mar 2023

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
View Important Information

File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 26.83 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:
0440c7014bfa6903e7d34b74fe9c792c
SHA1:
5e4af05c22272621d9a3d822954f387720f16e5c
SHA-256:
4bf7fa44358640229083326efdc48981172f0b088bd34a96702fe8a6c5260e9c

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

Additional details

Show All | Hide All
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
1.18.112 Nov 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
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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