I randomly have this happen when I open up a game that has to change resolution on ps5( using HD60 x with Gigabyte M32U monitor - freesync turned off) : r/elgato
UPERFECT 17.3 Inch 144Hz Portable Gaming Monitor, AMD FreeSync Premium, FHD 1080P HDR IPS Laptop Computer Monitor w/VESA & Smart Cover HDMI USB C External Screen for Esports Xbox Switch PS5