Dell Latitude 5420/5424/7424 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 : 2W5GW

Importance : Critical

Version : 1.8.5, 1.8.5 Latest version Recommended version Latest and Recommended version

Release Date : 31 Jan 2020

Download Type : System BIOS

Category : BIOS

This package contains the Dell system BIOS update. BIOS is a firmware 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 Advisories INTEL-SA-00219, INTEL-SA-00220, INTEL-SA-00270, INTEL-SA-00241, INTEL-SA-00260, and INTEL-SA-00254. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.

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_1.8.5.exe

File size: 13.97 MB

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

MD5: af70a809470885d4ecc97481bbc9c9bd

SHA1: 547e8e613cca3c27e598e5c50f7f28c96eab95fb

SHA-256: e4f7dcaa7c709aaacce53bda6d7f85da4cf6828fb7d6c049b8f3962af39c3cab

Download .EXE

Fixes & Enhancements

Fixes:
- Firmware updates to address Intel security advisories INTEL-SA-00219 (CVE-2019-0117), INTEL-SA-00220 (CVE-2019-0123), and INTEL-SA-00270 (CVE-2019-11135).
- Firmware updates to address security advisory INTEL-SA-00241 (CVE-2019-0169, CVE-2019-11088, CVE-2019-11104, CVE-2019-0131, CVE-2019-11090, CVE-2019-0166, CVE-2019-0168, CVE-2019-11087, CVE-2019-11101, CVE-2019-11100, CVE-2019-11106, CVE-2019-11132, CVE-2019-11131, and CVE-2019-11147).
- Fixed a BIOS Setup configuration issue that occurs after clearing the CMOS.
- Firmware updates to address Intel security advisories INTEL-SA-00260 (CVE-2019-0154) and INTEL-SA-00254 (CVE-2019-0185).
- Fixed an issue with preboot TPM detection and error logging.
- Removed the IpSec driver and application.
- Fixed the issue where the BIOS Setup menu stops responding on systems with Personality Module.
- Fixed the issue where the ExpressCard does not work when the WLAN is disabled in BIOS.
- Fixed the issue where the system supports boot through Realtek USB LAN.

Enhancements:
- Added an enhancement to extend the BIOS password configuration measurements into the TPM.
- Added a new feature to automatically suspend BitLocker before upgrading the firmware. After the firmware upgrade is complete, BitLocker is automatically enabled.
- Modified battery algorithm to prolong lifespan and minimize risk of swelling.

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 it 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.

Download and Installation
1. Click Download File, to download the file.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and 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 it 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.

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 5420/5424/7424 Rugged Extreme System BIOS

Download Files

Fixes & Enhancements

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to