Dell G5 5590, G7 7590, and G7 7790 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 : T1HDX

Importance : Critical

Version : 1.8.0, 1.8.0 Latest version Recommended version Latest and Recommended version

Release Date : 25 Jul 2019

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. This package addresses Intel security advisories INTEL-SA-00213 and INTEL-SA-00233. The security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.

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: G5_5590_G7_7590_7790_1.8.0_64.exe

File size: 7.95 MB

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

MD5: 09e4956a164b3b1459bf481bb337c2b2

SHA1: 26229cecd57f2b800fb59d78785a3d6698685ea2

SHA-256: 8f0c323c1030e0310c0ba249543a16d842b33c88d2b9b1e0a7533bcb79667655

Download .EXE

Fixes & Enhancements

- Fixed the issue where the touchpad stops working after resuming from sleep mode on systems with 144Hz monitor that supports the nVIDIA G-SYNC technology.
- Firmware updates to address security advisories INTEL-SA-00233 (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130 and CVE-2019-11091).
- Firmware updates to address security advisory INTEL-SA-00213 (CVE-2019-0090, CVE-2019-0086, CVE-2019-0091, CVE-2019-0093 and CVE-2019-0098).
- Removed the Pre-Boot Intel RST Manager Optimized Defaults option.

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.
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 G5 5590, G7 7590, and G7 7790 System BIOS

Download Files

Fixes & Enhancements

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to