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
To view all drivers for your OptiPlex 790, go to Drivers and downloads.
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O790-A14.exe | 5.53 MB
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File Format: Flash BIOS executable
File Name: O790-A14.exe
File Size: 5.53 MB
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:
22d7793f05ac2880aff0e1c332de91f4
SHA1:
2479280e2961650a870dda879a54b579305905c1
SHA-256:
Not available

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

Fixes & Enhancements

Fixes/Enhancements
1. Addressed PCI/PCIE card detection issue.
2. Addressed PXE boot issue.
3. Addressed boot sequence issue.
4. Addressed some bootable devices not show up in boot menu issue.
5. Addressed UEFI OS boot and hibernation issue.
6. Addressed F12 administrator boot options issue.
7. Fixed the issue where UEFI OS hang during installation when fastboot is minimal.
8. Fixed system cannot wakeup by Add-on LAN issue.
9. Add BIOS control item for audio Disabled/Enabled.
10. Update Intel Video BIOS to 2120v17.
Read More

Version

A14, A14

Release date

06 Sep 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.

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.
A2221 Aug 2018
A2121 Mar 2018
A1830 Sep 2013
A1721 Mar 2013
A1615 Oct 2012
A1510 Sep 2012
A1324 May 2012
A1108 Mar 2012
A1008 Dec 2011
Dell Optiplex 790
Reboot will be required

Need help with BIOS issues?

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

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