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 5491/5591 and Precision 3530 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 5491/5591 and Precision 3530 for Windows Operating Systems.
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Fixes & Enhancements
Fixes:
- Fixed fan noisy when unit connecting WD15/TB16 dock.
- Update Intel ME Firmware to address security advisories INTEL-SA-00125 (CVE-2018-3655), Intel-SA-00141 (CVE-2018-3657 CVE-2018-3658 CVE-2018-3616) & Intel-SA-00131 (CVE-2018-3643 CVE-2018-3644)
Enhancement:
- Improve Embedded Controller Engine Firmware.
Read More- Fixed fan noisy when unit connecting WD15/TB16 dock.
- Update Intel ME Firmware to address security advisories INTEL-SA-00125 (CVE-2018-3655), Intel-SA-00141 (CVE-2018-3657 CVE-2018-3658 CVE-2018-3616) & Intel-SA-00131 (CVE-2018-3643 CVE-2018-3644)
Enhancement:
- Improve Embedded Controller Engine Firmware.
Version
1.4.2, 1.4.2
Release date
25 Sept 2018
Download Type
System BIOS
Category
BIOS
Importance
CriticalDell 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: Flash BIOS executable
File Name: Latitude_5X91_Precision_3530_1.4.2.exe
File Size: 11.06 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:
dbb9b027c9007a4582d9a5b3c24e5b4d
SHA1:
74dedcd3f745ede20cf005a3474a9dd98392a388
SHA-256:
b4f2f486620d76cb30b4d85bdab67bc0907bd42580b2f9b8613c3a6f11efb482
File Format: External release notes
File Name: Latitude_5X91_Precision_3530_1.4.2.txt
File Size: 3.21 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:
df789399266402e52bbc8d4ee676fe7c
SHA1:
0d0e7876ab37d947ebb8d22930f078289ec23f37
SHA-256:
8609ab84a104349e07b86dc082356e757269803ef1439b5870289919bded4304
By downloading, you accept the terms of the Dell Software License Agreement.
Important Information
Important:
- Not allowed to downgrade BIOS EXE / Recovery (RCV) to the version before 1.1.6.
- Not allowed to downgrade BIOS EXE / Recovery (RCV) to the version before 1.1.6.
Applies to
Latitude 5491, 5591, Precision 3530
Installation instructions
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.
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 guideDrivers help and tutorials
For more downloads go to the Drivers and downloads. For help on using the information on this page, please visit Driver Help and Tutorials.