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 A06 System BIOS
Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.XPS 15 9550 01.02.00 BIOS
To view all drivers for your XPS 15 9550, go to Drivers and downloads.
Recommended
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XPS_9550_1.2.0.exe | 9.21 MBEnter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.
File Format:
CPG BIOS Executable for Windows/DOS
File Name:
XPS_9550_1.2.0.exe
File Size:
9.21 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:
326cc6cde5b2719da5577047503e2eef
SHA1:
cdb784f17333087cfee1f890db5514a85d2341ca
SHA-256:
a9732c23ded11ad3670a52005895fbc7f9d75ade9e7091245a283137135b8920
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
1. Improved the system stability
2. Fixed system may not able to boot with external monitor with lid closed
3. Fixed USB audio/mouse may be lag while connecting to Dell Thunderbolt Dock (TB15) and Dell Dock (WD15)
4. Fixed Fan may be noisy while connecting to Dell Thunderbolt Dock (TB15) and Dell Dock (WD15)
5. Fixed Bitlocker Malfunction or Keeps Prompting Recovery Key every time reboot
Read More
2. Fixed system may not able to boot with external monitor with lid closed
3. Fixed USB audio/mouse may be lag while connecting to Dell Thunderbolt Dock (TB15) and Dell Dock (WD15)
4. Fixed Fan may be noisy while connecting to Dell Thunderbolt Dock (TB15) and Dell Dock (WD15)
5. Fixed Bitlocker Malfunction or Keeps Prompting Recovery Key every time reboot
Version
01.02.00, 01.02.00
Release date
12 Apr 2016
Download Type
System BIOS
Category
BIOS
Importance
CriticalDell 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.
Supported Operating Systems
BIOS
Looking for a different OS? View the list of Dell supported operating systems
Applies to
XPS 15 9550 System BIOS
Installation instructions
Reboot will be required
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting and usage guide.Drivers help and tutorials
For more downloads go to the Drivers and downloads.
For help on using the information on this page, please visit Driver Help and Tutorials.