Dell XPS 8940 System BIOS

Restart required

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.

Driver Id : W0CMX

Importance : Critical

Version : 2.11.1, 2.11.1 Latest version Recommended version Latest and Recommended version

Release Date : 24 Feb 2023

Download Type : System BIOS

Category : BIOS

This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses Common Vulnerabilities and Exposures (CVE). Common Vulnerabilities and Exposures (CVE) is a list of security vulnerabilities and exposures that are publicly disclosed.

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_2.11.1.exe

File size: 16.64 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: af694381201f260ad321fd1936cd0e35

SHA1: f1aa55c353c798c9d485c1530e80fe4a52322171

SHA-256: 0f1e13e2506abfba336f162206e80c892cbe8244ecf98365c1b0112ab5377c02

Download .EXE

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: 16.63 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 398133f88b63e7d22dbcd1ea8895c0cd

SHA1: d0442b3df6a7a3c9cf3ad6a95a0f04d2b1b401c8

SHA-256: fb17fd2161f9de0b2fbd3f3c94782cae8d9d248be897f62adecf1c4976254002

Download .RCV

Important Information

- 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.
- Before upgrading the processor to 11th generation Intel processor, you must update the BIOS to the latest version.
- Do not turn off the system until the BIOS update process has been completed.
- 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.

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 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.

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 progress bar at the Dell logo screen. The system restarts again when the update is complete.

Dell XPS 8940 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to