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: OptiPlex_9020M_A04.exe
File size: 9.32 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: a9344d442cb3e00ab2f172c71cc6a1dd
SHA1: 3d1c370060e3be7140e9832aa8eab5dd2eaab900
SHA-256: 5e654f9044879f9bf23afdc656f196667de9c2e5654591fc07ee4fa8ed68a8e0
Fixes & Enhancements
Fixes
- Addressed an issue that the BIOS item can't be modified in Dell tool.
- Addressed the fan sensor doesn't report correctly.
- Addressed the USB wake up doesn't react correctly.
Enhancements
- Added to improve the BIOS security.
- Added to improve the security of pre-boot environment.
- Added to improve the PCI's compatibility.
- Added to improve the stability of Wake-On-Lan.
- Added the BIOS downgrade restriction function in BIOS menu.
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 if Legacy Boot Mode(Non-Windows users).
1. Copy the downloaded file to a bootable DOS USB key and rename the file name to less than or equal to 8 characters (8.3 format), like 9020MA04.exe.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment if UEFI boot mode with Load Legacy Option disabled (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key and rename the file name to less than or equal to 8 characters (8.3 format), like 9020MA04.exe.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to "General-Boot Sequence - Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Click "Apply","Exit" to save changes and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. DOS system will auto restart and update BIOS while system startup screen.
8. After BIOS update finished, system will auto reboot.
9. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
10. Change "Legacy" to "UEFI" Boot Option.
11. Go to "Exit > Exit Save Changes" and reboot system.
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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.
Reboot will be required