Dell Latitude 7290/7390/7490 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 : T1WTG

Importance : Recommended

Version : 1.6.0, 1.6.0 Latest version Recommended version Latest and Recommended version

Release Date : 19 Sep 2018

Download Type : System BIOS

Category : BIOS

This package contains the Dell system BIOS update. BIOS is a firmware 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_7x90_1.6.0.exe

File size: 9.76 MB

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

MD5: cf71bf1098612c309393be127db72aad

SHA1: f36fef6f54b3d42721bc8d2991361636289a4438

SHA-256: c4682da27ebf86cfbeb6be39e87a3385a1f9263db63a20a9a68c79a20949e323

Download .EXE

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

File Name: Latitude_7x90_1.6.0.txt

File size: 6.8 KB

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

MD5: 721c79802c7213c54b509605113394dd

SHA1: 72034e36ded4120e2022d8340f3dcb53a86cf57d

SHA-256: 9626b88817e316b7e536d09ffafdbe75cfa68b2e23f80a9b46c721c5df83439e

Download .TXT

Fixes & Enhancements

Fixes:
- Fixed the issue with some processors not supporting Turbo Boost.
- Fixed the issue where the maximum speed of the processor that is displayed in the BIOS Setup menu is incorrect.
- Fixed the issue where the Dell Dock WD15 loses power when connected to a system with low battery.
- Fixed the issue where the system with Windows operating system displays a warning message when connected to dock TB16 and WD15.

Enhancements:
- Enhanced the system performance by updating the thermal algorithms.
- Updated the Embedded Controller Engine Firmware.

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 it 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.

Download and Installation
1. Click Download File, to download the file.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and double-click the new file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Dell Latitude 7290/7390/7490 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to