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 Latitude 7290/7390/7490 System BIOS

Restart required 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. This update addresses the Intel Security Advisories INTEL-SA-00125, INTEL-SA-00131, and INTEL-SA-00141. A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
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Fixes & Enhancements

Fixes:
- Fixed the issue where the system stops responding when an incorrectly formatted password is entered at the BIOS Security Manager (BIOS preboot password) prompt.
- Fixed a potential issue with binary image measurement using the Linux UEFI shim boot loader.
- Fixed the issue where Slow USB Charger Connected message is displayed when WD15 dock is hot plugged to the system.
- Firmware updates to address the Intel Security Advisory INTEL-SA-00125 (CVE-2018-3655).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00131 (CVE-2018-3643, and CVE-2018-3644).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00141 (CVE-2018-3657, CVE-2018-3658, and CVE-2018-3616).

Enhancements:
- Added new BIOS Password feature Master Password Lockout.
- Updated the Realtek USB LAN firmware.
- Updated the thermal Algorithm for performance.
- Updated the Embedded Controller Engine Firmware.
- Updated the UEFI compliance level to 2.6.
Read More

Version

1.5.1, 1.5.1

Release date

09 Aug 2018

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats View Important Information
File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_7x90_1.5.1.exe
File Size: 9.75 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 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:
17c501250334c78913d9b7029636cb96
SHA1:
6c6d1c255b742fd10b97bdfc7560ebbdb59e0079
SHA-256:
3fec142d13b0dde9b235a15105178fe10e96b81617166c47facba27ccf23d9f7
File Format: External release notes
File Name: Latitude_7x90_1.5.1.txt
File Size: 5.95 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
31ab4567de0d46a1311d64fbbb43506b
SHA1:
0f1cab292e437b90320b67377ab09d73c2141269
SHA-256:
a5d4432b7d4ca9b8e21d3b6c28d771119033efaa185065f65bc718fd038fca3f

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

Additional details

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- Once BIOS is upgraded, you cannot downgrade BIOS EXE/Recovery (RCV) to the version before 1.3.3. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- 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.
Dell Latitude 7X90
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.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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