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Adjusting the Display Refresh Rate

Adjusting the Display Refresh Rate

Owned by Brian Tibbens
Last updated: Nov 30, 2023

MacOS Ventura:

  1. Click on the Apple, located on the menu bar in the upper left corner of the screen, and from the drop down menu select the option for System Settings.

  2. In the window that appears, use the column on the left to  find the option for "Displays" and click on it.

  3. The right side of the window will update to show all of the displays connected to the computer in the top portion of this area.  Click on the display you would like to adjust.

  4. The lower portion of the right side window will reload to showcase what features can be adjusted for the selected display.  Find the section for "Refresh rate" and set it to 30 Hertz.  This change is set once selected.

Image of the Display options with the refresh rate set to 30 circled in red
Refresh Rate of 30 Hertz Circled

Pro Tip - Teaching Stations

It may take up to 30 seconds for the changes to take place and update to all the devices.  If the change does not result in your image being presented you may need to switch to another input on the teaching station, then back again before the change is detected.