Change the refresh frequency for your monitor

Open Display in Control Panel.
On the Settings tab, click Advanced.
On the Monitor tab, in the Refresh Frequency list, click a new refresh rate

note Note

To open a Control Panel item, click Start, point to Settings, click Control Panel, and then double-click the appropriate icon.
The default refresh frequency setting is 60 Hertz, although your monitor may support a high setting. Check your manufacturer's documentation for information regarding the settings your monitor supports.
A higher refresh frequency reduces any flicker on your screen, but choosing a setting that is too high for your monitor can make your display unusable and cause damage to your hardware.