Download Files
File Format: 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.
File Name: M4400A29.exe
File size: 2.84 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: c2537286df891ce41e3508dd14dc86be
SHA1: d20e303332611346184d48b76283cc564ace553d
SHA-256: 6710725858800e3672aa84102cff076f6056c6898ed84db83ea5fea1fcecb32f
Fixes & Enhancements
Fixes/Enhancements
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1. Enhance System Security.
Supported Operating Systems
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)
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Download file to Desktop
The file M4400A29.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.
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Run the BIOS update utility from Windows environment
1. Double click the Icon on your desktop labeled M4400A29.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 M4400A29.exe to a bootable USB key.
2. Boot from the USB key to the DOS prompt.
3. Run the file by typing Y:\M440A29.exe (where y is the drive letter where the executable is located).
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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.
Reboot will be required