Driver Details

Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

Dell OptiPlex 7020 System BIOS

This package provides the BIOS update for Dell OptiPlex 7020 running in the following Operating Systems: Windows and DOS.

Fixes & Enhancements

Fixes:
- Addressed the PCI device doesn't show up in BIOS menu correctly.
- Addressed the system doesn't boot to next device when system is Wake-on-Lan.
- Addressed the USB Keypad doesn't work in the system.

Enhancements:
- Added to improve the compatibility of add-on graphic cards.
- Added to improve the usability for using cloud desktop in BIOS menu.
- Added to improve the networking reliability for pre-boot environment.
- Added to stick to the boot mode when loading the BIOS default.
- Added to improve the BIOS security.
- Updated CPU microcode.
- Updated ePSA to 4236.21.

Version

Version A03, A03

Category

BIOS

Release date

01 Apr 2015

Last Updated

01 Apr 2015

Importance

Available formats

File Format:Windows/DOS
File Name:O7020A03.exe
Download Type:HTTP
File Size: 9 MB
Format Description: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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
c647e6a283c6d0719f0184867da9b634
SHA1:
518375dd51bbfd4989b86d97db0a52fb49c46829
SHA-256:
265b5632d750df2cc7fd10c663ea10e9ab1668140222ef664ddbfed0dfeb9adf

By downloading, you accept the terms of the Dell Software License Agreement.

Applies to
Dell OptiPlex 7020
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.
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.
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.

--------------------------------------------------------------------------------
Note 1: You will need to provide a bootable DOS USB key. This executable file does not createthe 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
x
Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell highly recommends applying this update as soon as possible. The update contains changes to improve the reliability and availability of your Dell system.