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.

Driver Id : 5YW7H

Importance : Critical

Version : 1.4.2, 1.4.2 Latest version Recommended version Latest and Recommended version

Release Date : 09 Aug 2018

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. The update addresses the Intel security advisories INTEL-SA-00125, INTEL-SA-00131 and INTEL-SA-00141. 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_5X90_1.4.2.exe

File size: 9.94 MB

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

MD5: 097fed1f29116d5cd08ef2a689e5ceed

SHA1: d41d30b93652c34baa33e90d407848d430124f8d

SHA-256: 96dade87fe71894b9a7ff60b11a0e9f7a02fcd5138db89378037ccb0461f81a3

Download .EXE

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

File Name: Latitude_5X90_1.4.2.txt

File size: 5.82 KB

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

MD5: 5d327e142380549d8e19160964510593

SHA1: 9bc0dff97ba396d67bd48e4bfdd9ab3232449969

SHA-256: 4f585c25e1aa48e45cad2ba78f8b905535db1561e6c1da2acf0cb7947813bb24

Download .TXT

Fixes & Enhancements

Fixes:
- Fixed a potential issue with binary image measurement using the Linux UEFI shim boot loader.
- Fixed the issue where the system stops responding when an incorrectly formatted password is entered at the BIOS Security Manager (BIOS preboot password) prompt.
- Updated Intel ME Firmware to address security advisories INTEL-SA-00125 (CVE-2018-3655), Intel-SA-00131 (CVE-2018-3643 CVE-2018-3644) & INTEL-SA-00141 (CVE-2018-3657 CVE-2018-3658 CVE-2018-3616).

Enhancement:
- Updated the Embedded Controller Engine Firmware.
- Updated the Realtek USB LAN firmware.
- Added BIOS Password Feature: Master Password Lockout.
- Updated the Thermal Algorithm for performance.
- Updated the UEFI compliance level to 2.6.

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.

Dell Latitude 5290/5490/5590 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to