Chrome Version: 60.0.3112.26
OS: 9592.15.0 (Official Build)dev-channel stumpy
Firmware: Google_Stumpy.2.102.0

What steps will reproduce the problem?
(1) Connect the device with monitor (Acer UHD 4k2k) using DP-DP cable
(2) Connect the device with 2nd monitor (ASUS 1080 HD)  using DP-DP cable 

What is the expected result?
Both monitors should display without any issues

What happens instead?
Scenario 1 - 1080 HD & 4k Monitors used  (both connections DP-DP & also tried 1 monitor DP-DP and other DVI)

1. 2nd monitor gets displayed
2. 1st monitor goes blank and no display is seen
3. Unplug one monitor and try to reboot, this message is displayed sometimes "Your system is applying a critical update. Please do not turn it off" and sometimes it goes to login screen.

Scenario 2:  2 - 1080 HD monitors used
1. In this case both monitors display but when try to reboot this message "Your system is applying a critical update. Please do not turn it off" is seen sometimes. 


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Logs & screenshots attached. 

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