Update for the Surface Book - Surface System Aggregator Firmware


A firmware update is available to improve the stability of the keyboard when the device resumes from hibernation or connected standby mode.

How to get this update

This update will be downloaded and installed automatically. It will be listed in the Windows Update history as follows:

Microsoft driver update for Surface System Aggregator Firmware


There are no prerequisites for installing this update.

Restart information

You don't have to restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.

File information

Surface System Aggregator Firmware (v88.1226.257.0)


Learn about the terminology that Microsoft uses to describe software updates.

Article ID: 3165844 - Last Review: Jul 15, 2016 - Revision: 1