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_5000_1.9.1.exe
File size: 49.3 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 558c209a453e4b797d1d57bc0b4b2f63
SHA1: d97e9fe835528f7a6d3ae1b9b0b563d9ea8fa442
SHA-256: b45bfbeb0d0f914bb16ad24bf4cae792354101ef8c92ac6c30da51be48af643a
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: 49.29 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 731a6bec5d1e833c7029e15556fa7b3b
SHA1: 10e5692683277ddc4b28d17fc3b526c12a254b6b
SHA-256: d692288aab0d98a466d2a7508f2a382a37da31273549f4ee1565859115633929
Fixes & Enhancements
- Fixed the issue where the CPU speed runs at a lower frequency when VT and VT-d are disabled in the BIOS setup. This issue occurs when the system resumes from sleep mode.
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 versions earlier than 1.0.30. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- 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.
5. 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. You do not need a bootable USB drive.
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.