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 Technical Advisory INTEL-TA-00391 and Intel Security Advisories INTEL-SA-00358, INTEL-SA-00381, and INTEL-SA-00389. A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
To view all drivers for your XPS 15 7590, go to Drivers and downloads.
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XPS_7590_1.9.1.exe | 20.78 MB
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File Format: CPG BIOS Executable for Windows/DOS
File Name: XPS_7590_1.9.1.exe
File Size: 20.78 MB
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:
50465dfb2ae3ca713f4a6ece45525286
SHA1:
7bbe2b0e3ced885ee12970741f092d9f2d9a3d15
SHA-256:
51d7ffd4eeb3aa0115772865c2a8b3007dfd710e0e6642d9341cdc10e55739b2

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Fixes:
- Fixed the issue where German language keyboard does not work in the Dell Data Protection Encryption environment.
- Fixed the issue where the system does not get charged using the AC adapter.
- Fixed the issue where an error message stating Key Mapping for Console Redirection BIOS is displayed before the Dell logo screen.
- Fixed the issue where the system always boots to Rufus formatted USB drives instead of the internal hard drive.
- Fixed the issue where the system displays a black screen when restarting the system after installing the Intel Rapid Storage Technology driver.
- Firmware updates to address the Intel Technical Advisory INTEL-TA-00391 (CVE-2020-8753, CVE-2020-8744, CVE-2020-8745, CVE-2020-8705, CVE-2020-8757, CVE-2020-8756, CVE-2020-8760, CVE-2020-8754, CVE-2020-8747, CVE-2020-8755, CVE-2020-8746, CVE-2020-8749, CVE-2020-8752, CVE-2020-12303, CVE-2020-12355, and CVE-2020-12356).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00358 (CVE-2020-0587, CVE-2020-0591, CVE-2020-0592, and CVE-2020-0593).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00381 (CVE-2020-8696 and CVE-2020-8698).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00389 (CVE-2020-8694 and CVE-2020-8695).
- Firmware update to address CVE-2020-26189.

Enhancements:
- Updated the Thermal Algorithm to enhance the performance of the system.
- Updated the Embedded Controller Engine firmware.
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Version

1.9.1, 1.9.1

Release date

20 Jan 2021

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.

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.
1.27.007 Mar 2024
1.26.007 Mar 2024
1.25.012 Dec 2023
1.24.010 Nov 2023
1.23.008 Aug 2023
1.22.010 Jul 2023
1.21.012 Apr 2023
1.20.013 Feb 2023
1.19.012 Oct 2022
1.18.009 Aug 2022
1.17.013 Jun 2022
1.16.025 Apr 2022
1.15.011 Jan 2022
1.14.110 Nov 2021
1.13.002 Sept 2021
1.12.029 Jul 2021
1.11.029 Jun 2021
1.10.019 May 2021
1.8.129 Jul 2020
1.7.022 May 2020
1.6.007 Apr 2020
1.5.014 Jan 2020
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.

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.

Need help with BIOS issues?

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

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