Driver Details

Dell BIOS 6430U A04

Latitude 6430U System BIOS

Fixes & Enhancements

1. Updated BIOS UEFI GOP (Graphics Output Protocol) driver.
2. Improved the format of help messages in One-time Boot Menu.
3. Enhanced TPM control for CCTK/OMCI application.
4. Improved PXE boot screen.
5. Enhanced Blue Tooth control function.
6. Synchronized Intel Smart Connect Technologies status between application and BIOS.
7. Enhanced HDD Remote Wipe feature.
8. Improved DCIM/DFEP application support.

The BIOS release has been validated on the following operating systems:
1. Microsoft Windows 8
2. Microsoft Windows 7
3. Microsoft Windows XP Service Pack 3


Version A04, A04



Release date

18 Feb 2013

Last Updated

18 Feb 2013



Available formats

File Format:Windows/DOS
File Name:6430UA04.exe
Download Type:HTTP
File Size: 8MB
Format DescriptionThis file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from Windows 8, Windows 7, Windows XP, Windows 2000, NT, Windows 9X, Windows ME or a MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.

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

Compatible Systems

Supported Operating Systems


Applies to

Dell Latitude 6430U

Installation instructions

Installation Instructions for the Universal (Windows/ DOS) format

1. Download file to Desktop

2. 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 6430UA04.exe is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.

1. Click Download now.The File Download window appears.

2. Click the Save button.The Save As window appears.

3. Select Desktop using the drop-down menu to the right of Save in.

4. Click the Save button.A progress meter moves as the download is completed.

5. 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

1. Double click the Icon on your desktop labeled 6430UA04.exe.The Dell BIOS Flash window appears

2. Click the Continue button.The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears.

3. 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 USB key. This executable file does not create the DOS system files.

1. Copy the file 6430UA04.exe to a bootable USB key.

2. Boot from the USB key to the DOS prompt.

3. Run the file by typing Y:\6430UA04.exe (where y is the drive letter where the executable is located).

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

Important Information

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This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details
Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).