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 GX620/GX520 System BIOS

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.
This package provides the Dell System BIOS Update and is supported on Dell Optiplex GX620/GX520 for Windows and DOS Operating Systems.
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Fixes & Enhancements

Fixes - Not Applicable Enhancements - Improved OROM shadowing into BIOS
Read More

Version

A11, A11

Release date

05 Dec 2006

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: CPG BIOS Executable for Windows/DOS
File Name: A11GX620.EXE
File Size: 524.24 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. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
22d53a94a0f21520c310ec93cd586440
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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OPTIPLEX 330 SYSTEM BIOS
OptiPlex System BIOS
BIOS Update Executable for Windows/DOS Download 1. Click Download File, to download the file. 2. When the File Download window appears, click Save to save the file to your hard drive. Run the BIOS update utility from Windows environment 1. Browse to the location where you downloaded the file and double-click the new file. 2. Windows System will auto restart and update BIOS while system startup screen. 3. After BIOS update finished, system will auto reboot to take effect. Run the BIOS update utility from DOS environment (Non-Windows users) 1. Copy the downloaded file to a bootable DOS USB key. 2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt. 3. Run the file by typing copied file name where the executable is located. 4. DOS System will auto restart and update BIOS while system startup screen. 5. After BIOS update finished, system will auto reboot to take effect. -------------------------------------------------------------------------------- Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files. Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system. If you don't enable BitLocker on your system you can ignore it. BIOS Update Executable for Windows/DOS Download 1. Click Download File, to download the file. 2. When the File Download window appears, click Save to save the file to your hard drive. Run the BIOS update utility from Windows environment 1. Browse to the location where you downloaded the file and double-click the new file. 2. Windows System will auto restart and update BIOS while system startup screen. 3. After BIOS update finished, system will auto reboot to take effect. Run the BIOS update utility from DOS environment (Non-Windows users)

Need help with BIOS issues?

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

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