? if you want now you can go back to using opencore, or try updating the kext ALC , LILU .......etc
https://dortania.github.io/builds/?product=AppleALC&viewall=true&version=1.6.2&sha=9d726f6902f0768b7ee08c7dde6171d0181a3682
always select the latest vers. and release
try to change layout if that's the case
Unfortunately many are unable to update with OC and the reason has not yet been understood well, I myself have overcome the problem of the macintosh hd loop with Clover by finalizing the update
I suggest you download the Monterey beta 2 directly, create the usb installer and install from 0 by formatting the harddrive
https://swdist.apple.com/content/downloads/54/23/071-59953-A_U9D4NB05NR/nqzt71pnylsuux326a4vqexb33oz0auhas/InstallAssistant.pkg
try to change layout in boot-args alcid = xxx
if you know which codec you have (check your codec with hackintool)
here is the list of layouts available for each codec
https://github.com/acidanthera/applealc/wiki/supported-codecs
take a look here too
https://www.olarila.com/topic/6074-guide-easy-audio-solution-with-applealc-clover-and-opencore/
And I followed your tuto… put the Misc/entries...this work with 3 separate drive
it should work for you 1 drive with 3 os this
https://www.youtube.com/watch?v=nMCyUxMoRMo
for the audio which codec do you have realtek xxx?
for the keyboard I don't know, Maldon is needed