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 XPS 15 7590 System BIOS

Restart required AUTO 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. 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.
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Fixes & Enhancements

Fixes:
- 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 the keyboard and touchpad lags when the system is connected to a Dell U2419HC monitor using the USB Type-C port.
- Fixed the issue where the system updates the BIOS continuously when the embedded controller firmware is upgraded or downgraded.

Enhancements:
- Updated the BIOS warning message that is displayed when an AC adapter with low wattage is connected to the system.
- Updated the Enhanced Pre-Boot System Assessment (ePSA) firmware.
- Updated the Power Delivery firmware.
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Version

1.6.0, 1.6.0

Release date

07 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: XPS_7590_1.6.0.exe
File Size: 20.64 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:
b3dda5a9f8a98168706ad6d12f7fdd4c
SHA1:
c0bbd4ae4fa16be2d65aaf3b69681319b591e478
SHA-256:
685f583147b438b0f94252e137f589518b71b012c95bd5e1fd9c330dad6842c9

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

Additional details

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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.
XPS 15 7590 System BIOS
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.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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