Apple has released macOS Sierra 10.12.2 which improves the stability, compatibility, and performance of your Mac.
What's New In This Version: This update: • Improves setup and reliability of Auto Unlock • Allows addition of a Chinese Trackpad Handwriting button to the Touch Bar Control Strip • Adds support for taking screenshots of the Touch Bar using the Grab app or Cmd-Shift-6 shortcut • Fixes an issue that caused the Touch Bar emoji picker to appear on the display • Resolves graphics issues on MacBook Pro (October 2016) computers • Fixes an issue where System Integrity Protection was disabled on some MacBook Pro (October 2016) computers • Improves setup and opt-out experience for iCloud Desktop and Documents • Fixes an issue with the delivery of Optimized Storage alerts • Improves audio quality when using Siri and FaceTime with Bluetooth headphones • Improves the stability of Photos when creating and ordering books • Fixes an issue where incoming Mail messages did not appear when using a Microsoft Exchange account • Fixes an issue that prevented installation of Safari Extensions downloaded outside the Safari Extensions Gallery • Adds support for new installations of Windows 8 and Windows 7 using Boot Camp on supported Macs
You can download macOS Sierra from the App Store for free.
After the update I have a grey screen with my mouse icon showing. I tried reset the PRAM & SMC. No Luck. I then tried repairing my disk by holding down "Cmd & R". No luck. Zero errors.
Any ideas?