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 5400/5500 and Precision 3540 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 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
- Supports the Intel 8th Generation Core i3, i5, and i7-8xx0U processors.
Read MoreVersion
1.2.3, 1.2.3
Release date
09 Sept 2019
Download Type
System BIOS
Category
BIOS
Importance
RecommendedDell 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 View Important Information
File Format: Flash BIOS executable
File Name: Latitude_5X00_Precision_3540_1.2.3.exe
File Size: 24.13 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:
9e739c45da03134d9e8e4321ba315ab0
SHA1:
e51d65ad4c0c97e0ba3e9a0c60c0a44ed01c07ef
SHA-256:
cf37c60b5d144336ef2306263393d150af1ba59ca7b98ee10254cb2662f18e74
File Format: External release notes
File Name: Latitude_5X00_Precision_3540_1.2.3.txt
File Size: 1.99 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:
c8bfa1f869e9ad2408ee43f08e2c5813
SHA1:
ffd70c699eb3d4a309b9ed87d4bab51c0daf4c72
SHA-256:
73a000149a9514e8c2180179902b5d6f1c7f9e5b0fe93645b208a69c3c8434f7
By downloading, you accept the terms of the Dell Software License Agreement.
Important Information
- Once BIOS is upgraded, you cannot downgrade BIOS EXE/ Recovery (RCV) to the versions before 1.1.8 due to restrictions.
Applies to
Latitude 5400;Latitude 5500;Precision 3540
Installation instructions
Updating the BIOS from Windows
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it 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.
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.
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it 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.
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 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.