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_7090_1.11.0.exe
File size: 49.54 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 75c9fc97a106a406d0415d9c61e1b1a9
SHA1: 964617be4fc9374dac6fc7b4f5c057302f633297
SHA-256: bd966298048ec6a1382058142a6360a7e9873e7ea0943dbb8f0dd85c6867a6e4
File Format: This file format consists of a BIOS Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.
File Name: BIOS_IMG.rcv
File size: 49.52 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 5d1abf4284856974a557d02a996cc338
SHA1: 48079e9c70575fce185e3bee49fa4938d19dfc9c
SHA-256: 921759e80ac6ede693a02586de66071705835e617dc40634aa25839dae12cce1
Fixes & Enhancements
- Fixed the issue where the admin password window is displayed when you run the Pre-Boot System Assessment (ePSA) in the BIOS setup.
- Fixed the issue where the ESC key on the system keyboard stops working in the BIOS setup. This issue occurs when an external USB keyboard is connected to the system.
- Fixed the issue where the system stops responding at the Dell logo while booting.
Important Information
- Do not power off the system until the process of updating the BIOS is completed.
- Once the BIOS is upgraded, you cannot downgrade the BIOS to version 1.6.1 or earlier. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- The Watchdog Timer option in BIOS Setup must be disabled before updating the BIOS.
- BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.
Supported Operating Systems
Installation instructions
Updating the BIOS from Windows
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.
Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.
Updating the BIOS from BIOS Boot Menu (independent of operating system)
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.
Installation
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
2. Insert the USB drive 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 the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click Ok.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.
Applies to
OptiPlex 7090 System BIOS