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 3540 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 provide the BIOS update on Dell Latitude 3540 running the following Operating System: Windows and DOS.
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Fixes & Enhancements

Fixes
- Event Viewer error code


Enhancements
- Support Power Companion feature
Read More

Version

A10, A10

Release date

16 Mar 2015

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: CPG BIOS Executable for Windows/DOS
File Name: L3540A10.exe
File Size: 8.23 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:
c6640bbadcd12e7e32759bb983bb1313
SHA1:
25af3db8147d13cc932083358c0d54c9b263f81d
SHA-256:
552fedb36e60d838268ca861461d3a508faf684df0ed3e1c14af772b12e62816

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

Additional details

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Dell Latidude 3540 System BIOS
Run the BIOS update utility from Windows environment
1. Brose 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.
2. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS ev=nvironment (Non-Windows users)
NOTE: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable DOS USB key.
2. Boot from the USB key to the DOS prompt.
3. Run the file by typing copied file name where the executable is located.

Reboot will be required

Need help with BIOS issues?

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

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