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 AUTO 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 systems that run the 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 INTEL-SA-00213 and INTEL-SA-00233. The security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.
To view all drivers for your Latitude 5590, go to Drivers and downloads.
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Latitude_5X90_1.9.0.exe | 10.2 MB
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File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_5X90_1.9.0.exe
File Size: 10.2 MB
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:
fd9d9a2f095b24e9607b8b77cddbeb5d
SHA1:
1a09dab8213a99c1d5db4b0f976bf5166bb95818
SHA-256:
800310e0abca2cbe805286b3f2edc4a04b70f6759645621a15c22587d33c4cf1

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Fixes:
- Fixed the issue where the boot mode setting is ineffective when it is changed from Boot Menu.
- Firmware updates to address security advisory INTEL-SA-00213 (CVE-2019-0090, CVE-2019-0086, CVE-2019-0091, CVE-2019-0092, CVE-2019-0093, CVE-2019-0094, CVE-2019-0096, CVE-2019-0097, CVE-2019-0098, CVE-2019-0153 and CVE-2019-0170).
- Firmware updates to address security advisories INTEL-SA-00233(CVE-2018-12126, CVE-2018-12127, CVE-2018-12130 and CVE-2019-11091).
- Removed the pre-boot Intel RST Manager Optimized Defaults option.

Enhancements:
- Updated the Enhanced Pre-Boot System Assessment (ePSA) firmware.
- Updated the Embedded Controller Engine firmware.
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Version

1.9.0, 1.9.0

Release date

26 Jun 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.

Additional details

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Once the BIOS is upgraded, you cannot downgrade BIOS EXE/ Recovery (RCV) to the versions before 1.2.3.
1.34.018 Mar 2024
1.33.020 Feb 2024
1.32.007 Dec 2023
1.31.017 Nov 2023
1.30.021 Sep 2023
1.29.010 Aug 2023
1.28.025 May 2023
1.27.124 Feb 2023
1.26.020 Dec 2022
1.25.023 Nov 2022
1.24.012 Aug 2022
1.23.014 Jul 2022
1.22.027 May 2022
1.21.002 Mar 2022
1.20.028 Jan 2022
1.19.009 Nov 2021
1.18.004 Oct 2021
1.17.030 Jul 2021
1.16.323 Apr 2021
1.16.030 Nov 2020
1.14.014 Sep 2020
1.13.106 May 2020
1.12.119 Dec 2019
1.11.111 Nov 2019
1.10.112 Sep 2019
1.8.330 Apr 2019
1.7.023 Jan 2019
1.6.212 Dec 2018
1.5.026 Sep 2018
1.4.209 Aug 2018
1.3.211 Jul 2018
1.2.317 Apr 2018
1.1.919 Mar 2018
1.0.814 Mar 2018
1.0.023 Jan 2018
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 and usage guide.

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