Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

Before updating the BIOS, please suspend BitLocker encryption. If it is not enabled on your system, you can skip this step. Learn more

Dell XPS 15 9550 System BIOS

Restart required
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 update addresses the Intel Security Advisories INTEL-SA-00241, INTEL-SA-00260, INTEL-SA-00254, INTEL-SA-00219, INTEL-SA-00220, and INTEL-SA-00270. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.

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An updated version of this driver may be available.

This driver is up-to-date

The driver information is up-to-date. To view all drivers for your XPS 15 9550, go to Drivers & Downloads.

Fixes & Enhancements

Fixes:
- Firmware updates to address security advisory INTEL-SA-00241 (CVE-2019-0169, CVE-2019-11088, CVE-2019-11104, CVE-2019-0131, CVE-2019-11090, CVE-2019-0166, CVE-2019-0168, CVE-2019-11087, CVE-2019-11101, CVE-2019-11100, CVE-2019-11106, CVE-2019-11132, CVE-2019-11131, and CVE-2019-11147)
- Firmware updates to address Intel security advisories INTEL-SA-00260 (CVE-2019-0154) and INTEL-SA-00254 (CVE-2019-0185).
- Fixed a BIOS Setup configuration issue that occurs after clearing the CMOS.
- Fixed the issue where the force PreBoot Execution Environment (PXE) on next boot feature does not work with USB network card.
- Firmware updates to address Intel security advisories INTEL-SA-00219 (CVE-2019-0117), INTEL-SA-00220 (CVE-2019-0123), and INTEL-SA-00270 (CVE-2019-11135).

Enhancement:
- Added an enhancement to extend the BIOS password configuration measurements into the TPM.
- Added a new feature to automatically suspend BitLocker before upgrading the firmware. After the firmware upgrade is complete, BitLocker is automatically enabled.

Version

Version 1.13.1, 1.13.1

Category

BIOS

Release date

06 Jan 2020

Last Updated

06 Jan 2020

Importance

Available formats

File Format: Windows/DOS
File Name: XPS_9550_1.13.1.exe
Download Type: HTTP
File Size: 9.83 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:
8ea937220af6cb9e86db816550be979a
SHA1:
84704fc5be409f49d800912f97d786607f0f2f20
SHA-256:
cb218eea11c0aac129be25faa9c83b7d50419a78569108e00d4c1915548d5100

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

1.12.0 18 Nov 2019
1.11.2 28 Aug 2019
1.9.0 23 Aug 2019
1.10.0 21 Mar 2019
1.8.0 05 Oct 2018
1.7.0 04 May 2018
1.6.1 06 Feb 2018
1.5.1 14 Nov 2017
1.4.0 15 Sep 2017
XPS 15 9550 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 it 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 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.

Updating the BIOS from DOS (Non-Windows users)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it 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.

Installation
Note: You must provide a bootable USB drive. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable USB drive.
2. Power on the system and then Press the F12 key.
3. Select USB Storage Device and boot to the DOS prompt.
4. Run the file by typing following command. For example:
C:\ XPS_15_9550_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and XPS_15_9550_X.Y.Z.exe is the name of the downloaded file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

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