A:Answer The console supports 120hz and the monitor supports up to 144hz, in doing a search it appears some games may not support the higher refresh rate on the ps5. We suggest you post your question on the Acer Community where there are many users that post questions and offer help and advice on Acer products. The link is: https://community.acer.com/. Also there are many videos on YouTube that show you how to get 120hz on this console. If you feel there is a hardware problem with the monitor, please call support at 866-695-2237.