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 OptiPlex 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.
Optiplex GX240 A05 FlashBIOS
Recommended

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Fixes & Enhancements

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

1. Added support for new Processors.
2. Fixed possible CMOS corruption when adjusting system configuration
through
Open Manage.
3. Updated ACPI sleep state mapping code to fix USB 2.0 devices not being
found after a resume.
4. Added IDE UDMA support to speed up resume from Hibernate (when
enabled).
6. Adjusted USB Emulation support for special keys, and non-US keyboards.
7. Fixed false error on Floppy Drive when running Diags From Bootable Diags
CD without a Floppy Drive.
8. Fixed issues with some USB devices causing a keyboard POST error with a
USB keyboard.
9. Reduce POST time when no PS/2 keyboard or Mouse installed.
10.Added two new diagnostic LED codes for better memory failure isolation.
No Memory Detected (ABCD=Grn, Yel, Yel, Yel)
Memory Configuration Failure (ABCD=Grn, Yel, Grn, Yel)
11.Fixed potential hang when exiting SETUP after defaulting device boot
list.
Read More

Version

A05, A05

Release date

16 Aug 2002

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: Bgx24005.exe
File Size: 477 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: gx240a05.exe
File Size: 303.83 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

Show All | Hide All
OPTIPLEX 330 SYSTEM BIOS
OptiPlex System BIOS


Default Instructions for gx240a05.exe:

Non-Packaged
Creating the disk:
NOTE: This procedure requires one blank bootable, formatted 3.5-inch
floppy disk; label the disk BIOS.

1. When the File Download window appears, click “Save this program to
disk”.
2. Choose “Desktop” as the location.
3. Click “Ok”.
4. After the file has finished copying files, click “Close”.
5. Press the “Windows” + “M” keys at the same time to minimize all
the open windows.
6. Insert the blank bootable formatted 3.5-inch floppy disk.
7. Right-click the copy of the file, point to “Send To”, click “3 1/2
Floppy (a)”, and then skip to the section Flashing the BIOS below.

Flashing the BIOS:
NOTICE: Changing the system BIOS may result in unintended side affects,
such as incompatibility of the new BIOS with installed hardware. If
problems arise after a BIOS change, it may be necessary to return the
system to the original version of the BIOS.
1. If you are flashing the BIOS on a portable computer, be sure that
the AC adapter is plugged in and the computer is not operating on battery
power.
2. Ensure that the Flash BIOS disk is inserted into the floppy disk
drive.
3. Click the “Start” button, click “Shut Down”, click “Restart”, and
then click “Ok”.
The computer should restart and boot to the floppy disk.

NOTE: If the flash BIOS program does not start, and you see only an A:\
prompt, refer to the instructions from the Dell File Library page for the
BIOS update or to the Readme.txt instructions. Generally, you will type
the name of the executable flash BIOS file such as BGX1_A10.exe for BIOS
version A10 on the OptiPlex™ series system.

A Press any key to continue prompt appears.
4. Press the “Enter” key.
A Press Y to replace old BIOS with new BIOS prompt appears.
5. Press the “Y” key.

NOTICE: Do not interrupt the system during this process. Please refrain
from pressing any keys on the keyboard, moving the mouse, or interrupting
power to the system. Failure to do so could result in damage to the system
BIOS.

When the computer has finished updating the BIOS, a Flash program
successful. Press any key to reboot prompt appears.
6. Remove the floppy disk and press the “Enter” key.
7. The computer will now restart with the new revision of the BIOS
installed.
The boot screen will indicate the BIOS version.

If you encounter device or resource errors after flashing the system BIOS,
enter the System Setup, clear the NVRAM and restore the system defaults.
For more information, refer to Dell Knowledge Base Articles:
· FA1035264 Title "How do I restore setup defaults on my Dell
OptiPlex system?"
· FA1035227 Title "How do I clear NVRAM on my Dell OptiPlex system?"



Floppy Disk Boot to Disk for Bgx24005.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

Need help with BIOS issues?

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

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