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 7040 System BIOS

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 provides the BIOS update for Dell OptiPlex 7040 running in the following Operating Systems: Windows and DOS.

Before updating BIOS to 1.5.9, must upgrade Intel Graphic driver to 10.18.15.4279, A01, or above version to avoid blurred screen after resuming system from sleep stage. If blurred happens, please force to restart the computer then upgrade Intel Graphic driver to 10.18.15.4279, A01, or above version.
To view all drivers for your OptiPlex 7040 Tower, go to Drivers and downloads.
Recommended
Loading the latest available version of the driver...

This is the latest Dell validated version of this driver

This is not the latest Dell validated version of this driver

OptiPlex_7040_1.5.9.exe | 8.2 MB
Enter 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.
Download Go to Latest Version
Show details | Download current version instead | View Important Information
File Format: CPG BIOS Executable for Windows/DOS
File Name: OptiPlex_7040_1.5.9.exe
File Size: 8.2 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:
4f5807e2f22ea22d4e256294836cdad4
SHA1:
8e620758017dede58c6aff4d5f3d641fb24e56fa
SHA-256:
4d97cfc37dea7a6c22bc887dffc6cd90a25b118802dc64704eeac484b5b53b54

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Fixes
- Address BIOS auto-on feature malfunction when critical shutdown.

Enhancements
- Enhance secure boot path feature and support Dell Command | Configure(DCC) related setting.
- Enhance Device Guard behavior in Windows 10 RS1 Enterprise.
Read More

Version

1.5.9, 1.5.9

Release date

27 Feb 2017

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell 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.

Additional details

Show All | Hide All
Before updating BIOS to 1.5.9, must upgrade Intel Graphic driver to 10.18.15.4279, A01, or above version to avoid blurred screen after resuming system from sleep stage. If blurred happens, please force to restart the computer then upgrade Intel Graphic driver to 10.18.15.4279, A01, or above version.
OptiPlex 7040 System BIOS
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.

Perform the BIOS update from the BIOS Boot Menu, independent of operating system, if BIOS supported
1. Copy the downloaded file to a USB flash device. It does not need to be bootable.
2. Insert the USB flash device into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one time boot menu.
5. Select "BIOS Flash Update" in the "Other Options" section.
6. Click on the "..." button to browse the USB flash device to locate the downloaded file.
7. Select the file and click "Ok"
8. Confirm the Existing System BIOS Information and the BIOS Update Information are as expected.
9. Click "Begin Flash Update"
10. Reviewing the Warning message and click "Yes" to proceed with the update.
11. The system should restart and show a Flash Progress bar on the Dell logo screen as the BIOS update is being performed.
12. The system will restart once again when the Flash update is complete.
--------------------------------------------------------------------------------------------------
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

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

Drivers help and tutorials