The ALC3287 will never work without Intel SST. Open Device Manager. Look under "System devices" for . If it has a yellow mark, you must reinstall the Intel SST driver from your OEM, not Windows Update.
High Definition Audio Codecs Software. Opens in new tab." rel="noopener" data-ved="2ahUKEwjsnM_alvKTAxUWyzgGHaieAC8QqYcPegYIAQgKEAM" href="https://www.realtek.com/Download/List?cate_id=593#:~:text=version%20under%203.18.-,If%20it%20couldn't%20compile%20successfully%2C%20please%20upgrate%20your%20kernel,Multimedia%20ICs%20Smart%20Interconnect%20ICs" ping="/url?sa=t&source=web&rct=j&url=https://www.realtek.com/Download/List?cate_id%3D593%23:~:text%3Dversion%2520under%25203.18.-,If%2520it%2520couldn't%2520compile%2520successfully%252C%2520please%2520upgrate%2520your%2520kernel,Multimedia%2520ICs%2520Smart%2520Interconnect%2520ICs&ved=2ahUKEwjsnM_alvKTAxUWyzgGHaieAC8QqYcPegYIAQgKEAM&opi=89978449"> PC Audio Codecs > High Definition Audio Codecs Software realtek alc3287 driver