Help me to fix my wifi

Hello a few days ago when i start any game my wifi card stops working but idk why because if i don´t play games the pc and the wifi is running perfectly i tried everything restart the router download new drivers everything and thats not metter and the Wi-Fi card isn't very old, like 4 or 5 months. My wifi card is mediatek wi-fi 6 mt7921 wireless lan card

and i have this rate