MCC audio problem starting from menu screen

i can’t get the sound after pressing start button from the menu screen no sound in all gameplays too

i use pc and xbox one s and i just bought xbox serise x yesterday all three platforms showing same issue.
Didn’t had this problem few days ago before buying xbox serise x

i did look for a fix but none of them works for me(deleting save files, bluetooth headset setting even though i don’t even use bluetooth product)

plz help me out or patch a fix 343 plz