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 AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
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.
To view all drivers for your XPS 8940, go to Drivers and downloads.
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XPS_8940_2.5.1.exe | 15.33 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.
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File Format: CPG BIOS Executable for Windows/DOS
File Name: XPS_8940_2.5.1.exe
File Size: 15.33 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:
235cd388802923217041b23c33d5dad5
SHA1:
b5f1500f1ddb3198a83bcb31758de03c36604f24
SHA-256:
036fa5ea033cb937c3ce2c34f6899763d8df29199c660986afdef28ea00b8813

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

- Firmware updates to address security vulnerabilities including (Common Vulnerabilities and Exposures - CVE) CVE-2022-21166, CVE-2022-21151, and CVE-2022-0005.
- Firmware updates to address security vulnerabilities.
Read More

Version

2.5.1, 2.5.1

Release date

16 Apr 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.
View Important Information
File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 15.32 MB
This is a large file. Depending on your connection speed, it may take some time to download.
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:
ae45d395d62540e4fb86febb5c5fe4d6
SHA1:
a70639ae54ff0c177db1b6a71ccb2f768321bf58
SHA-256:
6cb7f4779ce1b9951b6092a353f98f48abf6fef5b91504cfc0a2d705c06db764

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 EXE/Recovery (RCV) 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.
- It is necessary to update the BIOS to the latest version before upgrading to an 11th generation Intel processor.
- 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.
2.18.112 Apr 2024
2.17.021 Feb 2024
2.16.008 Dec 2023
2.15.109 Nov 2023
2.14.011 Sept 2023
2.13.109 Jun 2023
2.12.010 Apr 2023
2.11.124 Feb 2023
2.10.011 Oct 2022
2.9.008 Aug 2022
2.8.006 Jul 2022
2.7.009 Jun 2022
2.6.011 May 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 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.

Need help with BIOS issues?

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

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