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 Latitude 7300/7400 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.

Fixes & Enhancements

Fixes:
- Firmware updates to address security advisory INTEL-SA-00307 (CVE-2019-14598).
- Firmware updates to address the Intel Security Advisories INTEL-SA-00289 (CVE-2019-11157) and INTEL-SA-00317 (CVE-2019-14607).
- Fixed the issue where the Type-C port works from BIOS Boot Menu with external USB port disabled.
- Fixed the issue where there is no user interface for wireless connection in BIOS Connect cloud SOS interface.
- Fixed the issue where the system stops responding on Dell logo when SMM Security mitigation and Secure Boot is enabled.
- Fixed the issue where the system is not able to update the BIOS from BIOS Boot Menu with SMM Security Mitigation enabled.

Enhancements:
- Enhanced the system firmware auto recovery function when system firmware does not work.
- Enabled the SupportAssist OS recovery.
- Updated the Intel Management Engine firmware.
Read More

Version

1.7.3, 1.7.3

Release date

08 Apr 2020

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: Latitude_7X00_1.7.3.exe
File Size: 25.17 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:
8773bba1474b46113da0112a2a30c159
SHA1:
daa18f621646b85c4712af33117e1baef6dfa274
SHA-256:
3e96d711ca80af85a1dc7b09c0fc71c53f7815e5fa893ce35a36d7c752d5f742

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

Additional details

Show All | Hide All
- Once the BIOS is upgraded, you cannot downgrade the BIOS EXE/Recovery (RCV) to versions earlier than 1.6.1 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.
1.23.031 Oct 2022
1.22.015 Sep 2022
1.21.010 Aug 2022
1.20.023 Jun 2022
1.19.125 Apr 2022
1.18.109 Mar 2022
1.17.014 Jan 2022
1.15.110 Nov 2021
1.14.002 Sep 2021
1.13.030 Jul 2021
1.12.006 Apr 2021
1.11.123 Nov 2020
1.10.109 Sep 2020
1.9.130 Jun 2020
1.7.422 May 2020
1.5.409 Oct 2019
1.3.1117 Jul 2019
1.2.007 May 2019
1.1.829 Apr 2019
1.0.129 Apr 2019
Dell Latitude 7X00
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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