Dell Latitude 5290/5490/5590 System BIOS

Restart required

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.

hi testing

Driver Id : FNM40

Importance : Critical

Version : 1.39.0, 1.39.0 Latest version Recommended version Latest and Recommended version

Release Date : 13 Mar 2025

Download Type : System BIOS

Category : BIOS

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.

Download Files

File Format: 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.

File Name: Latitude_5X90_1.39.0.exe

File size: 13.02 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: e8237193568da3ccd1743f974adcb2a7

SHA1: 9c5ba27a9644247a515acf67d69449378f223e73

SHA-256: 8a0453aaa408e858fc07208f6eadbbee6efcd80c3e8abe2e34dd5a5380f8b1df

Download .EXE

File Format: 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.

File Name: BIOS_IMG.rcv

File size: 13.02 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: e8237193568da3ccd1743f974adcb2a7

SHA1: 9c5ba27a9644247a515acf67d69449378f223e73

SHA-256: 8a0453aaa408e858fc07208f6eadbbee6efcd80c3e8abe2e34dd5a5380f8b1df

Download .RCV

File Format: This file format contains plain text which can be viewed with a standard text editor.

File Name: Latitude_5X90_1.39.0-eng.txt

File size: 294.78 KB

To ensure the integrity of your download, please verify the checksum value.

MD5: f5f8b8588e8ef390563df9656f4f4383

SHA1: 70a67438b65dd1ef6bfdb6f9c4fff816d9462b42

SHA-256: 5a13df0d639855c532bfe1ad6884d854945c24a8237b514e21cac7e0e78ed48d

Download .TXT

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisories DSA-2025-044, DSA-2025-045, and DSA-2024-351. For more information, see Dell Security Advisories and Notices.
- Fixed an issue where the restart pending is displayed as true in the PowerShell. This issue occurs after you clear the TPM and then run the get-tpm command.

Compatible Systems

Latitude 5290

Latitude 5490

Latitude 5590

Installation instructions

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 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.

Dell Latitude 5290/5490/5590 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to