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
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, 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

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

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.
Read More

Version

1.9.1, 1.9.1

Release date

20 Jan. 2021

Download Type

System BIOS

Category

BIOS

Importance

Urgent
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

Show All | Hide All
1.17.013 Jun. 2022
1.16.025 Apr. 2022
1.15.011 Jan. 2022
1.14.110 Nov. 2021
1.13.002 Sep. 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
1.4.005 Dec. 2019
1.3.316 Oct. 2019
1.2.331 Jul. 2019
1.1.101 Jul. 2019
1.0.020 Jun. 2019
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 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.
4. 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.

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.

Installation
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
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 Update in the section.
6. Click Flash from file to browse the USB drive to locate the downloaded file.
7. Select the file and click Submit.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Update BIOS.
10. Review the Warning message and click Confirm Update BIOS! to proceed with the update.
The system restarts and displays a progress bar at the Dell logo screen. The system restarts again when the update is complete.

Need help with BIOS issues?

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

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