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_5040_1.6.5.exe
File size: 8.31 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 2fc26edba429e7e72688c7bece019f21
SHA1: 73677621ef0f4831926108daaec3b8ebc77f87ee
SHA-256: e5bb5ee92d35100b2fcc1c42383395cf653757197fb0d8904e16be87f93eeafd
Fixes & Enhancements
Fixe
- Fixed primary display will automatically be switched to Auto from ATI to Nvidia graphics.
- Fixed system will no boot when excrypt the M.2 NVMe SED SSD with DDPE in AHCI mode.
- Fixed MEI exist after set ME status to lockout.
- Fixed a potential security issue with Bootguard code integrity chaining enforcement.
Enhancements:
- Enhance Asset Tag support from 10 to 14 characters.
- Updated processor microcode
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.
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.
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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.
Applies to
OptiPlex 5040 System BIOS