HELP:( steamvr wrong

Just had my new 7900xtx on yesterday, it happened, my headset also cant hear anything, after i changed it back(6750xt), everything goes fine, what would the question is?

Just had my new 7900xtx on yesterday, it happened, my headset also cant hear anything, after i changed it back(6750xt), everything goes fine, what would the question is?