On a 15" 2880x1620 display (ThinkPad W540), I get my cursor back when setting DPI to either 100% or 125%. But text is unreadable now.

This applies to:
Take on Helicopters
DayZ
ArmA 2 series

http://forums.bistudio.com/showthread.php?152869-Tutorial-How-to-fix-pip-flickering-sli

It's a driver issue which can be fixed as described here in my thread.

The SLI Profile for ArmA 3 needs Nvidia Predefined SLI Mode to SLI_PREDEFINED_MODE_FORCE_SFR