Dell Latitude 7400 2-in-1 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 : CN35R

Importance : Critical

Version : 1.14.1, 1.14.1 Latest version Recommended version Latest and Recommended version

Release Date : 11 Nov 2021

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 the Intel Security Advisory INTEL-SA-00562. A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.

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: Latitude_7400_2-in-1_1_14_1.exe

File size: 28.14 MB

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

MD5: 2E1B55C63BD12713085A2982A15FC0C6

SHA1: 09028aa1ad21c920f8af1687a3340737519b8709

SHA-256: 43d1c059ff6ccb8be33da210b340abdcab4ce12311ae0bd77255de2adc45e857

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: Latitude_7400_2-in-1_1_14_1.rcv

File size: 28.14 MB

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

MD5: 2e1b55c63bd12713085a2982a15fc0c6

SHA1: 09028aa1ad21c920f8af1687a3340737519b8709

SHA-256: 43d1c059ff6ccb8be33da210b340abdcab4ce12311ae0bd77255de2adc45e857

Download .RCV

Important Information

- Once the BIOS is upgraded, you cannot downgrade the BIOS EXE/Recovery (RCV) to versions earlier than 1.6.0 due to restrictions. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- If you must downgrade to an older BIOS version, you may follow one of the below steps:
1. Use BIOS Flash Update in the F12 Boot menu to downgrade the BIOS.
2. Disable the SMM Security Mitigation option from BIOS setup menu before to attempt the downgrade in Windows operating 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.

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.

Dell Latitude 7400 2-in-1 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to