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 5290, 5490, and 5590 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. It is supported on Dell Latitude 5290, 5490, and 5590 system that run Windows operating system. 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 package addresses Intel security advisories. The security advisory is an official statement when a product is impacted by a security vulnerability and a remedy is available.
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Fixes & Enhancements

Fixes:
- Fixed the issue where the restart time is prolonged when connected to Intel SSDs.
- Fixed the issue where a non-US language keyboard does not work in the Dell Data Protection Encryption environment.
- Fixed the issue where the TPM setting may be unexpectedly enabled after loading the Custom User Settings in BIOS.
- Fixed the issue where the system does not pass POST when the security boot on dual UEFI mode on the Dell Command Configure tool is enabled.
- Firmware updates to address security advisories INTEL-SA-00191(CVE-2018-12201, CVE-2018- 12202, CVE-2018-12203).
- Firmware updates to address security advisory INTEL-SA-00185 (CVE-2018-12188 CVE-2018-12190 CVE-2018-12191 CVE-2018-12192 CVE-2018-12199 CVE-2018-12198 CVE-2018-12200 CVE-2018-12187 CVE-2018-12196 CVE-2018-12185).

Enhancement:
- Supports Dell Dock Station WD19.
- Updated the Thermal Algorithm for enhancing the performance of the system.
- Added BIOS Setup configuration of Intel(R) Active Management Technology.
- Updated the Realtek USB LAN firmware.
- Updated the Power Delivery firmware.
- Updated the Embedded Controller Engine firmware.
- Updated the Intel Video BIOS.
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Version

1.8.3, 1.8.3

Release date

30 Apr 2019

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_5X90_1.8.3.exe
File Size: 10.22 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:
4a8d6db84e6513b8a68fb404851bfc44
SHA1:
42f0646810e06a05e4be466e5a45aa32fb5ac019
SHA-256:
093b45971c38f2b68b5b95595cedfaab84f24c5352a5fb0fea073834a3c7cf06
File Format: External release notes
File Name: Latitude_5X90_1.8.3.txt
File Size: 10.41 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:
dd7bba84d8447339da50b2b2c156ea7a
SHA1:
2d1c247688e0a71610e05e32f5ae6c5897adae3f
SHA-256:
ecfa73eeef4ed3b149110e6c68c5151fe7ea2b1732f4e670b8896379e9603ead

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 versions before 1.2.3 due to restrictions.
Latitude 5290;Latitude 5490;Latitude 5590
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.
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 file.
4. Click Yes to open the BIOS update utility.
5. Click Update to initiate the update process. A progress bar is displayed.
6. Click Restart to restart the system once the progress bar reaches 100%.
The update process initiates at the Dell logo and an update initiation message is displayed with a progress bar. After BIOS update finishes, system will auto reboot to take effect.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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