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
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.
Recommended
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O790-A15.exe | 5.53 MBEnter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.
File Format:
Flash BIOS executable
File Name:
O790-A15.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:
199cdb5c69a37c729aab20ca0c6d59ce
SHA1:
1f51b480bc02961cc982fc55da51b7545978ddb4
SHA-256:
e18d05e2f35f2b76245a25fcbdb6c6cf2e787a6f7b1d5e577cbd8fc4904f60f4
Sign in to Windows as an admin to use automatic scan. If your're already signed in as an admin and seeing this message, please reboot.
Your system is managed by your IT admin and features might be limited.
Find more updates. Use SupportAssist to find all the latest driver updates for your device.
Fixes & Enhancements
Fixes/Enhancements
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1. Addressed some hard drives detection issue.
2. Addressed disable serial port cause system long boot issue.
3. Addressed PCI card not properly recognized.
4. Updated to the 7.1.52.1176 version of the Intel MEFW.
Read More
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1. Addressed some hard drives detection issue.
2. Addressed disable serial port cause system long boot issue.
3. Addressed PCI card not properly recognized.
4. Updated to the 7.1.52.1176 version of the Intel MEFW.
Version
A15, A15
Release date
10 Sep 2012
Download Type
System BIOS
Category
BIOS
Importance
RecommendedDell 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.
Important Information
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.
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.
Supported Operating Systems
BIOS
Looking for a different OS? View the list of Dell supported operating systems
Applies to
Dell Optiplex 790
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting and usage guide.Drivers help and tutorials
For more downloads go to the Drivers and downloads.
For help on using the information on this page, please visit Driver Help and Tutorials.