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 : 3GY1X

Importance : Critical

Version : 1.7.1, 1.7.1 Latest version Recommended version Latest and Recommended version

Release Date : 21 Jun 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 Advisories INTEL-SA-00459, INTEL-SA-00464, INTEL-SA-00442 and INTEL-SA-00463. 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_7X20_1.7.1.exe

File size: 22.41 MB

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

MD5: b3cf409a993bde1b75a62a9487980486

SHA1: 25508627e9b410ab30c2eac474f69baa4c9e5b53

SHA-256: 0f4a52d92042515a163d88031819052c054dd9a4dd0430482facc33a0cf48e59

Download .EXE

Fixes & Enhancements

Fixes:
- Firmware updates to address security vulnerabilities.
- Firmware updates to address the Intel Security Advisory INTEL-SA-00459 (CVE-2020-24507, CVE-2020-8703, and CVE-2020-24516).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00464 (CVE-2020-24512).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00442 (CVE-2020-24489).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00463 (CVE-2020-12359).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00463 (CVE-2020-8700).
- Fixed the issue where the system screen flashes after booting.
- Fixed the issue where the BIOS recovery is initiated when you quickly turn off and turn on the system.
- Fixed the issue where the system with USB port disabled does not recognize the dock even though Type-C dock override is enabled in the BIOS. This issue occurs after the system restart.

Enhancements:
- Enhanced the CPU thermal stability.

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