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.

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.
OptiPlex 790 System BIOS
Recommended

Find the best download for your system

Please enter your product details to view the latest driver information for your system

Search support

Enter your Dell Service Tag or model

Want to look up your product? Enter a product identifier. Show me how

This driver is not compatible

This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

1.Addressed F12 administrator boot options issue.
Read More

Version

A16, A16

Release date

15 Oct 2012

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: Flash BIOS executable
File Name: O790-A16.exe
File Size: 5.53 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. 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:
68b9205a88704284d4d5013f2d54b46d
SHA1:
f6a11a4e90fbae9410224237eeab573ed270313d
SHA-256:
ecabed4fb97926e7df64d5b251ea61b266d9d286b97e9392c9f7a43148050217

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

Additional details

Show All | Hide All
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
Installation Instructions for the Universal (Windows/ DOS) format
Download file to Desktop
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)

Reboot will be required

Need help with BIOS issues?

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

Drivers help and tutorials