Surface Book 2

Surface Book 2 is receiving the October 2020 firmware update with improvements to audio performance while streaming content.

These updates are available for all Surface Book 2 devices running Windows 10 May 2019 Update, version 1903, or greater.

Surface Book 2 Firmware Update Changelog (October 2020)

Windows Update History NameDevice Manager NameVersion and Update
Realtek Semiconductor Corp. – SoftwareComponent – 11.0.6000.92Realtek Hardware Support Application – Software components11.0.6000.92
Improves audio performance while streaming content.
Realtek Semiconductor Corp. – Media – 6.0.8936.1Realtek High Definition Audio (SST) – Sound, video, and game controllers6.0.8936.1
Improves audio performance and resolves associated system bugcheck.
Realtek Semiconductor Corp. – Extension – High Definition Audio (SST) Extension – no Device Manager notes6.1.0.6
Improves integration between system services.
Surface – System – Integration – System devices6.94.139.0
Improves integration between system services.


  • Firmware updates can’t be uninstalled or reverted to an earlier version.
  • When you install the latest update, you’ll also get all the previous updates if your Surface doesn’t have them already. Only updates that apply to Surface will be downloaded and installed.
  • After the updates are installed, restart your device to complete the installation process. To restart your device, select the Start  button, and then select Power  Restart.