Same here. MS needs to listen to their users. The added interruptions constantly asking me for monetary contributions to this or to that are super annoying. This OS just keeps getting worse and worse. Three clicks or more to do what i used to do with one or two. Sub menu of sub menu to simply copy paste etc. Brutal.
There is a specific technical reason why the EQ went "missing".
It has been like this for over 10 years such as Fireberd figured out why his realtek hd audio manager in Windows 7 back in 2012 didn't have the 10 band EQ. It was because his gigabyte motherboard came with creative soundblaster app that had the 10 band EQ.
https://www.sevenforums.com/sound-audio/252007-realtek-hd-audio-equalizer-not-working-properly.html#post2089303
If they give you 2 separate EQ (not 2 different GUI pointing to the same EQ), then 99% of the time you will accidentally enable both and ruin your sound. So the "technical fix" is to delete 1 of them.
This thread is basically the blind leading the blind.
SouthBay_EssEff gave the absolute incorrect advice. His computer is an HP computer which means that his computer either comes with HP audio app or B&O audio app --- which is where his EQ resides.
We have another bunch of people that have hearing problems (and probably seniors) who couldn't figure out that stuff moved around and relying on computer advice from 10-15 years ago to look for where stuff is supposed to be. Stuff gets moved around from GUI stand point. Deal with it.
Then there is a bunch of people "fixed" their EQ problem by finding their Dell computer comes with Waves MaxxAudio Pro app which has the 10 band EQ. But they couldn't figure out why. The reason is super simple, Dell deleted the 1st EQ on purpose so that you couldn't accidentally turn both on at the same time and ruin your sound.