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 9550 1.8.0 System BIOS
Restart requiredAUTO INSTALLEDThis file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
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 BIOS version 1.8.0 for Dell XPS 15 9550. The package contains Intel ME firmware update to address Intel security advisories INTEL-SA-00125 (CVE-2018-3655), Intel-SA-00131 (CVE-2018-3643 and CVE-2018-3644) and INTEL-SA-00141 (CVE-2018-3657, CVE-2018-3658 and CVE-2018-3616). The package contains update for CPU microcode to address Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 and CVE-2018-3640). For more information regarding fixes and enhancements click View full driver details.
This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
Sign in to Windows as an admin to use automatic scan. If your're already signed in as an admin and seeing this message, please reboot.Your system is managed by your IT admin and features might be limited.
Find more updates. Use SupportAssist to find all the latest driver updates for your device.
Fixes & Enhancements
Fixes: - Updated Intel ME Firmware to address security advisories INTEL-SA-00125 (CVE-2018-3655), Intel-SA-00131 (CVE-2018-3643 and CVE-2018-3644) and INTEL-SA-00141 (CVE-2018-3657, CVE-2018-3658 and CVE-2018-3616). - Updated CPU microcode to address Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 and CVE-2018-3640). - Fixed the TPM configuration on a TPM startup error during S3 resume. - Fixed the internal LCD display issue where it stays on after lid is closed. - Updated Intel ME Firmware to address security advisory INTEL-SA-00118 (CVE-2018-3627).
Enhancements: - Improved startup stability when Thunderbolt Technology Support is enabled. - Prevents ghost key trigger while pressing multiple keys at the same time. - Improved system enter Hibernate duration time when Dell Thunderbolt Dock TB16 is connected.
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.
Note: The file XPS_9550_X.Y.Z.exe is using the Universal (Windows/DOS) format and is designed to be directly executed from Windows environment. 1. Click Download now. The File Download window appears. 2. Click the Save button. The Save As window appears. 3. Select Desktop using the drop-down menu to the right of Save in. 4. Click the Save button. A progress meter moves as the download is completed. 5. If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.
Note: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system to get the new BIOS loaded. --------------------------------------------------------------------------------
Installation
Run the BIOS update utility from Windows environment 1. Double click the Icon on your desktop labeled XPS_9550_X.Y.Z.exe the Dell BIOS Flash window appears. 2. Click the Continue button. The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot appears. 3. Click the OK button. The system will restart, and the BIOS Flash will be completed.
Run the BIOS update utility from DOS environment (Non-Windows users) Note: You will need to provide a bootable DOS diskette. This executable file does not create the DOS system files. 1. Copy the file XPS_9550_X.Y.Z.exe to a bootable USB key. 2. Boot from the USB key to the DOS prompt. 3. Run the file by typing A:\ XPS_9550_X.Y.Z.exe (where A is the drive letter where the executable is located). -------------------------------------------------------------------------------
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting and usage guide.