Dell Precision 7540 and 7740 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.

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Driver Id : G4MXG

Importance : Critical

Version : 1.8.2, 1.8.2 Latest version Recommended version Latest and Recommended version

Release Date : 29 Apr 2020

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-00307, INTEL-SA-00289, and INTEL-SA-00317. 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: Precision_7X40_1.8.2.exe

File size: 17.16 MB

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

MD5: 2d23f2a2bc81767f196b7de95c331fb8

SHA1: 39be5b07133bd7168e258bd2aca5b849dee14b4a

SHA-256: 1ae132d120ef8537e0909e504ca1b00d5c3778f3d4ef2a63612e3f6bcd9940b8

Download .EXE

Fixes & Enhancements

- Firmware updates to address the Intel Security Advisory INTEL-SA-00307 (CVE-2019-14598).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00289 (CVE-2019-11157).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00317 (CVE-2019-14607).
- Fixed the issue where there is no user interface for wireless connection in BIOS Connect cloud SOS interface.
- Fixed the issue where the Wi-Fi option turns off. Also, the system does not connect to network automatically when resuming from Sleep mode or when logging in after leaving the system on the locked screen.
- 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:
- Updated the Intel Management Engine firmware.
- Enabled the SupportAssist OS recovery.
- Supports 5G band.
- Enhanced the system firmware auto recovery function when system firmware does not work.
- Updated the BIOS warning message that is displayed when an AC adapter with low wattage is connected to the system.

Important Information

- Once the BIOS is upgraded, you cannot downgrade BIOS EXE/ Recovery (RCV) to the versions earlier than 1.5.1. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- If the current system BIOS is under version 1.2.3, it is recommended that you first update the BIOS to version 1.3.3.
- 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. Download and Installation
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.

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 file.
5. Click Yes to open the BIOS update utility.
6. Click Update to initiate the update process. A progress bar is displayed.
7. Click Restart to restart the system once the progress bar reaches 100%.
The update process initiates at the Dell logo and an update initiation message is displayed with a progress bar. After the update finishes, the system automatically restarts.

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 Precision 7540 and 7740 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to