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 5290/5490/5590 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. 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 Technical Advisory INTEL-TA-00391, and Intel Security Advisories INTEL-SA-00358, INTEL-SA-00381, INTEL-SA-00389, and INTEL-SA-00391. A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
To view all drivers for your Latitude 5590, go to Drivers and downloads.
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Latitude_5X90_1.16.3.exe | 10.76 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.
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File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_5X90_1.16.3.exe
File Size: 10.76 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:
dcca7b946a6b410a262819770b537476
SHA1:
808f0865824863fecd773ea3b02d3dbcde2172a3
SHA-256:
15d66d121648da82cc6c06cee952a93dcfa3bd8d471f47a0e34ae40611f6ae6b

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

Fixes & Enhancements

Fixes:
- Firmware updates to address the Intel Technical Advisory INTEL-TA-00391 (CVE-2020-8753, CVE-2020-8744, CVE-2020-8745, CVE-2020-8705, CVE-2020-8757, CVE-2020-8756, CVE-2020-8760, CVE-2020-8754, CVE-2020-8747, CVE-2020-8755, CVE-2020-8746, CVE-2020-8749, CVE-2020-8752, CVE-2020-12303, CVE-2020-12355, and CVE-2020-12356).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00358 (CVE-2020-0587, CVE-2020-0591, CVE-2020-0592, and CVE-2020-0593).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00381 (CVE-2020-8696 and CVE-2020-8698).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00389 (CVE-2020-8694 and CVE-2020-8695).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00391 (CVE-2020-8705).

Enhancements:
- Updated the Intel Management Engine firmware.
- Updated the Intel UEFI firmware.
- Updated the Intel Micro Controller Unit firmware.
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Version

1.16.3, 1.16.3

Release date

23 Apr 2021

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.
View Important Information
File Format: External release notes
File Name: Latitude_5X90_1.16.3-eng.txt
File Size: 219.1 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:
f566707282a3a83e627c3263ce25502b
SHA1:
a2cfc473ff48c9754e9e8a9581667d7749ffcad8
SHA-256:
8075804c346d34b3205ab994e8509635e643434b788527c2235ec873bbae6d90

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

Additional details

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- Once the BIOS is upgraded, you cannot downgrade the BIOS EXE/Recovery (RCV) to versions earlier than 1.2.3. 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.
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
1.16.030 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
1.9.026 Jun 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. 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.

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 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 the 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.

Installation
1. Copy the downloaded file to a USB drive. You do not need a bootable USB drive.
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 Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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