Surface Dock Main Chipset Unit (MCU) Firmware v049E4970 improves display stability for external displays when used with Surface Book. Surface Base Firmware Update v4.0.7.0 provides support for Surface Dock firmware updates with improvements targeted to Surface Book devices. Surface Book 2 devices do not require a Surface Base Firmware Update and only require the Surface Dock update for implementation of these fixes.įor your reference the versions and improvements of each component contained within this update are listed below. Both the Surface Dock and the Surface Book base must be updated to implement these fixes. This Surface Base Firmware Update, v4.0.7.0, is required to enable the display stability fixes for a connected Surface Dock. In addition to the firmware updates for Surface Dock, installation of the Surface Dock Updater utility on a Surface Book will also install a firmware update for the Surface Book base of that device. Updating a Surface Dock that has not yet been updated with v2.9.136.0 will provide the improvements of the earlier release in addition to those in v2.12.136.0. Surface Dock Updater firmware updates are cumulative.
The updates provided by Surface Dock Updater v2.12.136.0 apply to Surface Dock only when used with Surface Book or Surface Book 2 and do not apply to scenarios where Surface Dock is used with other Surface devices.
This new update includes fixes for external display stability issues when Surface Dock is used with Surface Book devices and includes firmware updates for both the Surface Dock main chipset and DisplayPort. We've released a new version of the Surface Dock Updater, v2.12.136.0, available now from the First published on TECHNET on Feb 14, 2018
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