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 E6400 System BIOS, A12
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.Find the best download for your system
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Fixes & Enhancements
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1. Updated Intel(R) Active Management Technology firmware for AMT-configured systems:
- Fixed a vulnerability in which an ME-knowledgeable malicious user with local machine access could potentially exploit boundary errors in some ME application functions to gain control over those ME applications.
- Fixed a remote Denial of Service (DOS) vulnerability which a malicious user could potentially exploit to cause the reboot of a system running susceptible versions of Intel® Active Management Technology (Intel® AMT).
2. Added USB provision file format 2.0 support for Intel(R) vPro-configured systems.
3. Updated warning message when changing the SATA Operation field in BIOS Setup.
4. Added support to make Pre-Boot Authentication single sign on work with hard disk drive passwords.
5. Fixed the issue where Dell Diagnostics fan script test fails with a USB 2.0 scanner attached.
6. Fixed the issue where Dell Diagnostics LCD brightness test fails when ALS is enabled.
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RecommendedBy downloading, you accept the terms of the Dell Software License Agreement.
- Download file to Desktop
- Use one of the methods below to flash the Bios.
- Run the BIOS update utility from Windows environment
- Run the BIOS update utility from DOS environment (Non-Windows users)
Download file to Desktop
The file E6400A12.EXE is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.
- Click Download now.
The File Download window appears. - Click the Save button.
The Save As window appears. - Select Desktop using the drop-down menu to the right of Save in.
- Click the Save button.
A progress meter moves as the download is completed. - If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.
NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system in order to get the new BIOS loaded.
Run the BIOS update utility from Windows environment
- Double click the Icon on your desktop labeled E6400A12.EXE.
The Dell BIOS Flash window appears - Click the Continue button.
The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears. - Click the OK button.
The system will restart and the BIOS Flash will be completed.
Run the BIOS update utility from DOS environment (Non-Windows users)
NOTE: You will need to provide a bootable DOS diskette. This executable file does not create the DOS system files.
- Copy the file E6400A12.EXE to a bootable floppy.
- Boot from the floppy to the DOS prompt.
- Run the file by typing Y:\E6400A12.EXE (where y is the drive letter where the executable is located).