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How can I make Variable Refresh Rate (Adaptive-Sync / FreeSync Premium / G-Sync Compatible) work on my monitor?

Monitors are passive devices and therefore require a graphics card to output compatible signals to enable Variable Refresh Rate (VRR) features. So the first step we would like to suggest is to check if your graphics card supports VRR technology (The name of VRR technology may vary from Adaptive-Sync, FreeSync to G-Sync).
 

For the Nvidia graphics card, please check it here

For AMD graphics card, please check it here

 

Second, check if your monitor features the VRR function.

Our models feature with VRR function below:

XL2730Z, XL2540, XL2546S, XL2731, XL2740, XL2746S, XL2540K, XL2540KE, XL2546K, XL2731K, XL2746K, XL2566K.

 

How to enable FreeSync through graphics card settings

How to enable G-Sync via graphics card settings

 

On the monitor, please turn off DyAc/DyAc+ (if your monitor has that feature) through the monitor menu, since DyAc/DyAc+ is not compatible with variable fresh rate technology.

Then turn on the Adaptive-Sync/FreeSync Premium function through the monitor menu.

Learn more about Variable Refresh Rate (FreeSync Premium / G-Sync Compatible / Adaptive-Sync):

https://zowie.benq.com/en-us/knowledge/common/variable-refresh-rate.html

Applicable Models

XL2540 (24.5"), XL2540K (24.5"), XL2540KE, XL2546K (24.5"), XL2546S (24.5"), XL2731 (27"), XL2740 (27"), XL2746S (27"), XL2566K (24.5")

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