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 provides the Dell System BIOS update and is supported on Dell Latitude 5290/5490/5590 for Windows Operating Systems.
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Fixes & Enhancements

Fixes:
- Fixed show incorrect message when connect Thunderbolt connection on system without Thunderbolt.
- Fixed WiFi switching fails when Dell TB16 dock is disconnected during sleep.
- Fixed show incorrect message when update dock firmware.
- Fixed BIOS recovery via USB thumb drive show firmware update fail issue.
- Fixed Hard Disk Drive (HDD) password bypassed after shutting down system.
- Fixed take long time to exit BIOS setup by press Ctrl+Alt+Del on system without Thunderbolt.
- Updated Intel ME Firmware to address security advisories INTEL-SA-00112 (CVE-2018-3628 CVE-2018-3629 CVE-2018-3632 ) & INTEL-SA-00118(CVE-2018-3627).
- Fixed the TPM configuration on a TPM startup error during S3 resume.
- Updated CPU microcode to address security advisory Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).
- Fixed keyboard trigger abnormal when press multiple keys at the same time.

Enhancement:
- Updated Embedded Controller Engine Firmware.
- Added Wake on Lan to PXE feature.
- Updated UEFI compliance level to 2.5.
Read More

Version

1.3.2, 1.3.2

Release date

11 Jul 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_5X90_1.3.2.exe
File Size: 9.93 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:
d9d72bd4a23f6cab9d79a0bfadf28bf2
SHA1:
e43f8fea2610e9a947db81cc5645d429497cdc6a
SHA-256:
f4f96d4ec136a149a51f8970330206eb099d023fd79b38f143c686ecfaeb2ab2
File Format: External release notes
File Name: Latitude_5X90_1.3.2.txt
File Size: 4.66 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:
f2bffac226ccc3a19817dc8087e7dfc8
SHA1:
b386f754fc9a43aac8f63e00d9ad0810cb5674b0
SHA-256:
c05c0eae12ed59595d95cdca15129eebb27cb1512693d1e47e4aad7f2ea4b124

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

Additional details

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Important:
- Not allowed to downgrade BIOS EXE / Recovery (RCV) to the version before 1.2.3.
Latitude 5290;Latitude 5490;Latitude 5590
BIOS Update Executable for Windows

Download
1. Click Download File to download the file.
2. When the File Download window appears, click Save to save the file to your internal storage.

Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

Note : Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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