Dell Latitude 7320/7420/7520 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 : GYXXJ

Importance : Critical

Version : 1.4.1, 1.4.1 Latest version Recommended version Latest and Recommended version

Release Date : 09 Mar 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.

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_7X20_1.4.1.exe

File size: 18.89 MB

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

MD5: 02776794e6ddbfc51c4072c1c6ef9110

SHA1: 941e27590ac320aa5f7de4cfe88111298cede101

SHA-256: dd14fc44bad8d4da4c11ed548d1a8bebe8683778274cbc08e8788157473d3752

Download .EXE

File Format: This file format contains plain text which can be viewed with a standard text editor.

File Name: Third-party License.txt

File size: 1.17 KB

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

MD5: fcf94f322af0e9ea2c8e7653119f536e

SHA1: 38221f0be18db3b392359d21beda45372a48f723

SHA-256: 6712dba91fdc70396b373e98587ec4669e8c8b0e24e1bcda8dce94e11c96abd4

Download .TXT

Fixes & Enhancements

Fixes:
- Fixed the issue where the system does not detect USB drives that are plugged into the port at the back of Dell Thunderbolt Dock WD19TB.
- Fixed the distorted screen issue that is displayed after entering the system password.
- Fixed the issue where the USB mouse does not work when Disable USB Type-C or Thunderbolt 3 Boot support option is disabled.
- Fixed the issue where the BIOS password does not meet the rule of Password Configuration.
- Fixed the issue where the system displays a warning message to disable Total Memory Encryption (TME) in the BIOS setup. This issue occurs before running memory diagnostics in SupportAssist on systems without vPro Intel Processors.

Enhancements:
- Updated the video BIOS to version 1055v00.
- Updated the Embedded Controller Engine firmware.
- Updated the Intel Management Engine firmware.

Important Information

- Once the BIOS is upgraded, you cannot downgrade the BIOS EXE/Recovery (RCV) to versions earlier than 1.4.1 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.
- 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.

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.

Dell Latitude 7320/7420/7520 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to