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 390 System BIOS, A02
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 contains the Dell system BIOS update for OptiPlex 390 system. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives and other devices. This update includes the latest CPU microcode, Intel Management Engine Firmware and fixes the issue where the hard drive doesn’t get detected.
To view all drivers for your OptiPlex 390, go to Drivers and downloads.
Recommended
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O390A02.exe | 2.69 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:
O390A02.exe
File Size:
2.69 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:
f866f48298fc16e3cdf0324089d23f0f
SHA1:
80781a61653f5e2ef0091f0871a2a47b72319900
SHA-256:
8df914e08736a22b7fa447166131f4bf1b72fc4e810f7c1c8f53899843591bad
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:
1. Updated onboard LAN OROM 1.0.4
2. Updated D3 microcode for D2 and Q0 Sandybridge.
3. Fixes the issue where the 250 GB hard drive doesn't reflect in BIOS in OptiPlex 390.
4. Fixes the issue where the hard drive cannot be found/ detected in OptiPlex 390.
5. Updated Intel Management Engine Firmware.
Enhancements:
- N/A
Read More
1. Updated onboard LAN OROM 1.0.4
2. Updated D3 microcode for D2 and Q0 Sandybridge.
3. Fixes the issue where the 250 GB hard drive doesn't reflect in BIOS in OptiPlex 390.
4. Fixes the issue where the hard drive cannot be found/ detected in OptiPlex 390.
5. Updated Intel Management Engine Firmware.
Enhancements:
- N/A
Version
A02, A02
Release date
25 Oct 2011
Download Type
System BIOS
Category
BIOS
Importance
OptionalDell 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.
Supported Operating Systems
BIOS
Looking for a different OS? View the list of Dell supported operating systems
Applies to
Dell Optiplex 390
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.