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.

Dell XPS 8940 System BIOS

Restart required
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.

Fixes & Enhancements

- Firmware updates to address security vulnerabilities including (Common Vulnerabilities and Exposures - CVE) such as CVE-2022-0004 and CVE-2022-32488.
Read More

Version

2.8.0, 2.8.0

Release date

06 Jul 2022

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats View Important Information

File Format: CPG BIOS Executable for Windows/DOS
File Name: XPS_8940_2.8.0.exe
File Size: 15.34 MB
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
3bcd5e700b54859b11fbdc9d25ee8f44
SHA1:
ad28c826cba3c18d53ff22ae7ddd4d11dc57c6a4
SHA-256:
6b301342966145864877cb29c0cd449a89a9caa2deaeb1f32413578e5ace6b03

File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 15.33 MB
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
abb2f18099d7128e9d66eae76de20033
SHA1:
28475bc65cea023c06a32a84ac4ff363b2ae4f2f
SHA-256:
448c9ee6c77ece15abe93334b43dfa18e66e6e5ac0a397e010675f699ddfb457

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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- 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.
2.10.011 Oct 2022
2.9.008 Aug 2022
2.7.009 Jun 2022
2.6.011 May 2022
2.5.116 Apr 2022
2.4.010 Jan 2022
2.3.009 Nov 2021
2.2.005 Oct 2021
2.1.327 Aug 2021
2.1.129 Jun 2021
2.0.1308 Jun 2021
2.0.1221 Apr 2021
2.0.1102 Mar 2021
Dell Inspiron 5600,7600
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.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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