i have nvidia
and there is no problem with mine everything works
thank you
if anyone have nvidia just follow my turorial and see if it helps
1.go to sounds--playback--select your avr--properties--Enhancements--disable all--advanced--it will be in 16bit dvd quality change it to 24bit 1920000hz studio quality and ---untick both options in exclusive mode --apply--
goto enhancements ---channel phantoming will now be available ----disable all enhancement--apply
goto--advanced ---select dolby atmos for home theater in dropdown ---Exclusive mode both box tick ---apply
dolby atmos for home theater will be back.