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 Dimension System BIOS, A05

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.
Dimension 2400 A05 FlashBIOS
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Fixes & Enhancements

The following changes have been made to BIOS rev A04 to create A05:

1. Improve splash screen logo positioning.
2. Prevent loss of audio on power-up or after S3 resume.
3. If AC lost during S3 standby, don't attempt S3 resume when AC restored.
Read More

Version

A05, A05

Release date

19 Dec 2003

Download Type

System BIOS

Category

BIOS

Importance

Optional
Dell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
Available formats

File Format: One or more self extracting disk images inside of a self extracting zip
File Name: BR70278.exe
File Size: 605.16 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, then double-click it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.
MD5:
Not available
SHA1:
Not available
SHA-256:
Not available

File Format: Flash BIOS executable
File Name: D2400A05.EXE
File Size: 506.15 KB
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:
Not available
SHA1:
Not available
SHA-256:
Not available

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

Additional details

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Dimension System BIOS


Installation Instructions


The file D2400A05.EXE is using the Hard Drive format and is designed to be directly executed from Windows environments.




    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.





    1. Double click the Icon on your desktop labeled D2400A05.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.









    Floppy Disk Boot to Disk for BR70278.exe

    Download

    1. Click Download Now, to download the file.
    2. When the File Download window appears, click Save (Windows XP users will click Save) this program to disk and click OK. The Save In:
    window appears.
    3. From the Save In: field, click the down arrow then click to
    select Desktop and click Save. The file will download to your desktop.
    4. If the Download Complete window appears, click Close. The file
    icon appears on your desktop.

    Hard Drive Floppy Disk Creation

    1. Get 1 blank, formatted floppy disks.
    2. Double-click the new icon (it looks like a floppy diskette) on
    the desktop. The Self-Extractor window appears.
    3. Click Setup. An black MS-DOS window appears with a message
    indicating that you need 1 floppy diskettes.
    4. Press the [ENTER] key.
    A message appears prompting you to insert a blank floppy diskette.
    5. Insert a floppy disk into the floppy disk drive.
    6. Press the [ENTER] key. A message appears indicating that all
    data on the disk will be erased.
    7. Press the [y] key and then press the [ENTER] key.
    The files are copied to the floppy diskette. If the procedure requires
    more than one diskette, repeat steps 5 – 7 until you reach the end of the diskette set.
    8. After all the files have been copied to the last floppy disk,
    press the [ENTER] key and the MS-DOS window closes.

    Install

    1. Insert the first (or the only) disk of the set into the Floppy
    drive.
    2. Click Start, click Shutdown, click Restart, and then click OK.
    Windows XP Users need only click restart.
    3. Follow the on-screen instructions.





Need help with BIOS issues?

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

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