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: XPS_8940_2.19.1.exe
File size: 17.2 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 25084234624490a291fcb0af9d6e7a82
SHA1: 6d0d577f67de5b1454940ac3ed790adb5604f57c
SHA-256: af8602f6e91a31ab7915df3c49dd0b9daf495a6e2e0ce6a86bc299ff4e969d5a
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: 17.19 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: c254ac2e90cb8bae5b92a4049fd97b1b
SHA1: 9d05bb9eccbeb1029361396415a1a39154cc1e9d
SHA-256: a43b5515db1d9b7d96b10164a81725d3c5fefd0bab2369c7b4b660fa9f8a4a7b
Fixes & Enhancements
- Fixed the issue where the system updates the BIOS after you resume it from Sleep mode. This issue occurs when you try to update the BIOS in silent mode by using the Command prompt then enter the sleep mode.
Important Information
- Do not turn off the system until the BIOS update process has been completed.
- Once the BIOS is upgraded, you cannot downgrade the BIOS to versions earlier than 2.2.0. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- Ensure to update the BIOS to the latest version before upgrading the processor to the 11th generation Intel processor.
- 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. 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.