[SOLVED] OS res vs In-game res - Which am I seeing?

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Aug 30, 2017
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-I have a 4k native tv I use as my monitor.
-I have windows set to 1440p res so I can use 120hz refresh rate.

Question: If I set a game to 4k then am I actually seeing 4k resolution or does the Win10 display res override that?
 
Solution
What model tv/monitor?
Are you sure it supports 120Hz ?

Generally game settings in full screen mode override OS resolution settings. Resolution reverts to OS settings, after you close the game.