Dell Latitude 5420/5424 Rugged and Latitude 7424 Rugged Extreme 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.

Driver Id : 5CY6K

Importance : Critical

Version : 1.14.1, 1.14.1 Latest version Recommended version Latest and Recommended version

Release Date : 31 Aug 2021

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 Intel Security Advisory INTEL-SA-00545. 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_5420_5424_7424_Rugged_1.14.1.exe

File size: 17.27 MB

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

MD5: fb4d23148d3715601391396b26779e10

SHA1: 9bcf9b0d650fca13c7ff995fd230d2c72286cdd9

SHA-256: 11486d06faf27250ec8dc396240d5aeaf6ddbd7bc83b828106d2f6630e2c90da

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: 17.27 MB

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

MD5: fb4d23148d3715601391396b26779e10

SHA1: 9bcf9b0d650fca13c7ff995fd230d2c72286cdd9

SHA-256: 11486d06faf27250ec8dc396240d5aeaf6ddbd7bc83b828106d2f6630e2c90da

Download .RCV

Fixes & Enhancements

Fixes:
- Fixed the issue where the TPM firmware update fails on BIOS version 1.13.1.
- Fixed the issue where the system does not reconnect to Wi-Fi after the Ethernet cable is disconnected.
- Fixed the issue where the customized logo and product name are removed when you upgrade the BIOS and change the BIOS to its default settings.
- Fixed the issue where the preboot keyboard cannot be used under McAfee encrypted environment.
- Fixed the issue where the # key does not appear in the German preboot keyboard.
- Fixed the issue where the CPU usage drops to 0.4 GHz in the Performance tab in Task Manager when connected to a docking station.
- Firmware updates to address the Intel Security Advisory INTEL-SA-00545 (CVE-2021-0104).

Enhancements:
- Supports Realtek RTL8153DD-CG Ethernet Interface Controller.

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.
5. 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. You do not need a bootable USB drive.
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 Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.

Dell Latitude 5420/5424 Rugged and Latitude 7424 Rugged Extreme System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to