Windows 10 first Insider Build was released Oct 1st, 2014

Wow it has been 3 years since the first Windows 10 insider build was released.  It seems so long ago, but also it seem so recent.

Amazing how much it has changed from build 9841 to build 17004.

Keep up the good work Microsoft…

Surface Pro 4 Pen stops working on Surface Book Insider 16362

I just upgraded from Windows Insider build 16353 to 16362 and the Surface Pro 4 Pen\Stylus is not registering when I click the screen.

*Update: This happened again after upgrading from 16362 to 17004

I checked the Device Manager | Human Interface Devices and found nothing that would indicate a problem.  I checked the Bluetooth devices and the Surface Pen showed up. 

The pen worked on another Surface device, so I knew the pen was working and had battery.

I tried to reboot and that did not resolve.

I tried to remove the Bluetooth device and re-add and that did not resolve.

I tired to remove the battery and that did not resolve.

I finally got it to work.

I opened up the Device Manager and went to Human Interface Devices.  I right clicked on the following drivers and uninstalled

-> Surface Pen Integration

-> Surface Pen Settings

I rebooted and the pen began to work.  I verified that those devices showed back up in Device Manager.

*this is not the Surface Pro 3 Stylus.  This is the pen that comes with the Surface Pro 4 or Surface Book.