Games refuse going fullscreen on 2nd monitor

by bakanisan   Last Updated April 27, 2017 12:01 PM

My laptop monitor is 1080p but it's only 15.6 inch so I'm not fond of using its monitor while I'm at home. I connected it to my old monitor which is 1366x768 and it runs fine. I prefer playing games on my old monitor because it is larger and has better contrast but it didn't go as planned.
But whenever I open a game full screen on my old monitor, it goes "Out of Range". It is strange because I double check the resolution and refresh rate every time I switch monitor.

However, I can play full screen at 1360x768, which I'm not used to. I know the difference is minor but I can't help but notice it.

How can I play fullscreen 1366x768 on my 1366x768 monitor?

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