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 13 7390 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 package contains the Intel Security Advisories INTEL-SA-00307, INTEL-SA-00289, INTEL-SA-00220, INTEL-SA-00254, 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.
To view all drivers for your XPS 13 7390, go to Drivers and downloads.
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File Format: CPG BIOS Executable for Windows/DOS
File Name: XPS_13_7390_1.5.1.exe
File Size: 11.56 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.

Fixes & Enhancements

- 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).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00220 (CVE-2019-0124).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00254 (CVE-2019-0185).
- Fixed the issue where some security settings in the BIOS setup are set to the default value. This issue occurs when the RTC reset is performed when there is an admin password.

- Updated the BIOSConnect feature into Dell SupportAssist OS Recovery. This feature connects the system to the Dell image server to download and recover the operating system.
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1.5.1, 1.5.1

Release date

07 Apr 2020

Download Type

System BIOS




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.
1.18.013 Oct 2022
1.17.009 Aug 2022
1.16.012 Jul 2022
1.15.114 Jun 2022
1.14.126 Apr 2022
1.13.008 Mar 2022
1.12.111 Jan 2022
1.11.009 Nov 2021
1.10.003 Sep 2021
1.9.028 Jul 2021
1.8.019 May 2021
1.7.017 Nov 2020
1.6.002 Aug 2020
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
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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