How to change refresh rate

The test measures how often your display refreshes its image. Run it before changing a setting, then run it again afterward to compare the readings. The result describes the display while the test is running, not every setting your device can offer.

If the reading changes after you choose another rate, the display is using a different refresh rate. If it does not change, the setting may not have taken effect, or the display may be using a dynamic rate.

The steps on this page cover Windows 11, Windows 10, and Mac settings. Choose the steps for your operating system. On Windows, a rate marked with an asterisk is a separate case because choosing it also changes the resolution.

Windows 11 also has a dynamic refresh rate option. If you are using that option, the displayed rate may vary instead of staying at one selected rate. On a Mac, the steps differ for macOS Catalina and Big Sur, where the refresh rate menu must be shown, and other listed Mac settings.

The selected refresh rate can differ from the rate you expected because the system setting is set to another choice. On Windows, a choice marked with an asterisk also changes resolution, so the change affects more than refresh rate alone.

Dynamic refresh rate can make the reading vary. This is different from a fixed selection, so one reading may not stay the same. On a Mac, the refresh rate menu may need to be shown before you can choose a rate.

Follow the steps for your operating system and case, then rerun the refresh rate test. Compare the new reading with the rate you selected. If you chose a Windows rate with an asterisk, also check whether the resolution changed.

If the reading still does not match your selection, check that you followed the steps for the right operating system and account for dynamic refresh rate or a resolution change. The listed steps do not include repair or warranty advice. If the display remains faulty, seek help from a repair service or the device seller.