Monitor can not display full screen and Snowflake screen observed after switch the display mode during running Furmark
Need Help to check the root cause for issue fix
Steps:
1. Run furmark and switch the display mode to the other.
2. Found the monitor can not show full screen / monitor show Snowflake
Note: we can see the issue with LG 27UD88(Max resolution:3840x2160),ViewSonic VX2457(Max resolution:1920x1080),DELL E2416H(Max resolution:1920x1080),HP Z24i(Max resolution:1920x1080)
Analyze result from IHV vender:
Furmark doesn't change test resolution when change display mode
