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 7390 2-in-1 System BIOS

Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This package contains the Dell system BIOS update for Dell Latitude 7390 2-in-1 system that runs the Windows operating system. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives and other devices. It fixes the issue that occurs in BIOS where the system stops responding when hot swapping a Dell dock that has an external monitor plugged in and the issue where the Dell WD15 dock loses connection when connected instantly after Dell TB16 dock is unplugged.
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Fixes & Enhancements

Fixes:
- Fixed the issue that occurs in the system setup (BIOS) where the system stops responding when hot swapping a Dell dock that has an external monitor plugged in.
- Fixed the issue where the system does not resume from sleep after you undock it from either a Dell WD15 or Dell TB16 docking station with USB power share enabled.
- Fixed the issue where characters take time to display or they fail to display on the screen while typing.

Enhancements:
- Updated Thermal Algorithm that balances the power and acoustic level to improve the performance of the system.
- Updated the Embedded Controller Engine firmware.
- Enhanced the supportability for BIOS attribute management through Windows Management Instrumentation service.
- Replaces Absolute Software service from Computrace to Absolute Persistence Module service.
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Version

1.6.2, 1.6.2

Release date

11 Dec 2018

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats View Important Information
File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_7390_2in1_1.6.2.exe
File Size: 13.61 MB
This is a large file. Depending on your connection speed, it may take some time to download.
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:
804764aef73cb41182de4b193eee80ea
SHA1:
cf0d01be1e99c675e82f07bdd86bbf15ff629f39
SHA-256:
258e0cb7edd9e5125effc70203d838866bbb1fd6de69251b5f7ebaa8304add0c
File Format: External release notes
File Name: Latitude_7390_2in1_1.6.2.txt
File Size: 6.51 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
e6d24c94b127c97c5593a2e9f840b6a5
SHA1:
3275d25ea0b9bb2730dd6151517eaa38bc4a0330
SHA-256:
2941573574ea9c3e8124b927dab35059fc4f2575fd5fbbed00b6a3f88e72bc7c

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

Additional details

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Important:
- Users are advised not to downgrade BIOS EXE/ Recovery (RCV) to the BIOS version before 1.1.4.
Latitude 7390 2-in-1
Note 1: Ensure that you suspend BitLocker encryption before updating BIOS on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step.
Note 2: Do not turn off power or interrupt BIOS update process during the update.

BIOS Update Executable for Windows

Download
1. Click Download File, to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Press Yes to confirm the BIOS version you want to update and start BIOS Update process.
3. After BIOS update finishes, press Yes and then system will shut down. Power on the system for the update to take effect.
4. If you are only updating BIOS, after the BIOS update finishes, press Yes and then system will restart automatically for the update to take effect.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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