Driver Details

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.

Dell XPS 15 9550 1.8.0 System BIOS

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.

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.

Version

Version 1.8.0, 1.8.0

Category

BIOS

Release date

05 Oct 2018

Last Updated

05 Oct 2018

Importance

Available formats

File Format:Non-Packaged
File Name:XPS_9550_1.8.0.exe
Download Type:HTTP
File Size: 9 MB
Format Description: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.
MD5:
5d812b52d62b12badefaad6b8633663c
SHA1:
a1db9c885adda0929d6f8def8f39a0dabebb6e2a
SHA-256:
0061b69087348e9091d5a48eec9415dec2e3a986be021044626761c2705615da

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

Applies to
XPS 15 9550 System BIOS
Installation instructions
Download file to Desktop

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.
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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).
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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.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell highly recommends applying this update as soon as possible. The update contains changes to improve the reliability and availability of your Dell system.