Windows 10: Script to change display refresh rate

Hi there,

I'd like to know if someone knows a script or tool that I can use to automatically change the refresh rate in windows display settings to 75Hz when a specific program launches and then when that program closes it reverts to 60Hz

Kind regards

:)

 

Windows 10 Creator's Update Resolution and Refresh Rate Problem [ With Video }

Before updating to Windows 10 Creator's update there was no problem it was working fine.

After Creator's update when I change my refresh rate to 75Hz I have to go Display Settings → Display Adapter Properties → Monitor and I have to change the refresh rate there also.

But when I change to refresh rate to 75Hz on Monitor menu, resolution converts to 640x480 automatically and if I change to resolution to 1920x1080 again the refresh rate becomes 60Hz again.

There was no problem before I updated Windows 10 to Creator's update and now this is happening. Please help thank you!

Youtube link:

***Post moved by the moderator to the appropriate forum category.***

 

Main display limits refresh rate?

Hi, I have the same problem.

It seems that the refresh rate of secondary display is restricted to that of main display. To illustrate a little bit more in detail, the movement of mouse cursor is displayed in high refresh rate, but the content in windows is displayed in low refresh rate.
So it seems not to be the problem occurring from PC itself, but rather from the Windows' graphic architecture.

(And as Vegedus mentioned, when the display with higher refresh rate is set to main display than the problem will not occur.)

Since I want to set the display with lower refresh rate as main display (it's laptop's built-in), I want this issue fixed.

 

Have a look at NirCMD's setdisplay command. I haven't used setdisplay but it has a refresh rate optional parameter that looks like it will do what you want.

One of the examples shows: setdisplay 1024 768 24 90
i.e. 1024 x 768 24-bit colour 90Hz refresh rate

As for scripting, NirCMD commands can be called from a .BAT file or wrapped in AutoHotkey/AutoIt.

Hope this helps...

 

As @RickC says, Autohotkey lends itself to this- you could simply have a loop running and test for the presence or absence of the process, and launch nircmd accordingly. More simply you could launch the program and nircmd in the script, then have a loop test for the closure of the program and then launch nircmd to change the resolution back.

If unfamiliar with Autohotkey it has an extensive help file and a good support forum.

It's easy to write 1,2 or 3 line scripts to test elements of what you need.