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 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.
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Fixes & Enhancements

- Initial Release.
Read More

Version

1.0.0, 1.0.0

Release date

23 Jan 2018

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats
File Format: Flash BIOS executable
File Name: Latitude_5X90_1.0.0.exe
File Size: 9.88 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. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
MD5:
50b1edbde3f665f5398393b5e412ed70
SHA1:
2b240a0f7579f366de0019011344612d5c3c4a2b
SHA-256:
5899674cc40453c7e6127992da66c672b925024ec5ddb3d77471d3cf54b44580
File Format: External release notes
File Name: Latitude_5X90_1.0.0.txt
File Size: 312 Bytes
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:
b6990db78cc18ce512787e68d5d297df
SHA1:
5c6e35745c64f7bd7eb1482415724ae9d5d94747
SHA-256:
ee8f2894a4f826556f96e7c3ba70b90fa18085066ecfd9f515a248dddf3a5a0a

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

Additional details

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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.

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.
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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