Download Files
File Format: 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.
File Name: O390-A11.exe
File size: 2.78 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: fa5fa7729d70b5ec3f0ef57b3750a65e
SHA1: 8785d7704964e2ead98799100823d2c0020953cd
SHA-256: fb5b82f692dbdf9b92e15af3187f4939231ef599974892d8e09db87727fffe1b
Fixes & Enhancements
Fixes
- Resolved add-on card issues.
- Addressed HDD password issue.
Enhancements
- Updated CPU Microcode.
Important Information
Note: Please note that if the A01 or before A01 BIOS is currently installed on your system, you must first update to A02 BIOS and then flash to the latest A-Rev BIOS.
A02 BIOS link: http://www.dell.com/support/home/us/en/04/drivers/DriversDetails?productCode=optiplex-390&driverId=1CR51
Supported Operating Systems
Installation instructions
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.
________________________________________
Note: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system. If you doesn't enable BitLocker on your system you can ignore it.
Reboot will be required