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 790 System BIOS

Restart required 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 BIOS Update on OptiPlex 790 that is running on following Operating Systems: Windows & DOS.
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Fixes & Enhancements

Fixes:
- Fixed CCTK issues.
- Fixed IDE-R issue

Enhancements:
- Enhanced Chassis intrusion function.
- Enhanced memory fault correction into Pre-Boot System Assessment Diagnostics.
- Enhanced MEFW to 7.1.70.1198.
- Enhanced ePSA to 4220.12.
- Enhanced CPU micro code for I5-2310
Read More

Version

A17, A17

Release date

21 Mar 2013

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats View Important Information

File Format: CPG BIOS Executable for Windows/DOS
File Name: O790-A17.exe
File Size: 5.57 MB
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:
2dc01beba5e5875406045c3f1b22f015
SHA1:
1f0dad682a11a6dfa90b83eb084c2f29f82e4e04
SHA-256:
8d8cde0b3945cf3d30582d1c38e6a84a3270937545c749797a2fad3b9caa5e15

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

Additional details

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Please note that if the A04 or before A04 BIOS is currently installed on your system you must first update to A05 BIOS and then flash to the latest A-rev BIOS. Please note that if the A05 or after A05 BIOS and before A10 is currently installed on your system you must first update to A10 BIOS and then flash to the latest A-rev BIOS.
Dell Optiplex 790
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)
NOTE: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable DOS USB key.
2. Boot from the USB key to the DOS prompt.
3. Run the file by typing copied file name where the executable is located.

Reboot will be required

Need help with BIOS issues?

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

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