You could also check if there's a newer BIOS update for your motherboard that might add the necessary CPU compatibility flags. Another option is to use the official Media Creation Tool to do a clean install, which sometimes bypasses stricter upgrade checks.
Yeah, You could also try using the Windows 11 Installation Assistant directly from Microsoft's website, as it sometimes bypasses those checks. Another option is to check for a BIOS update for your motherboard that might improve compatibility.
I had the same problem with an older i7. The official compatibility list is really strict, so even capable chips get left out. Let me know if that works.
Yeah, this happened to me too. My perfectly good laptop got the same block, and it turns out Microsoft's list just doesn't include some perfectly fine older processors. Hope that helps.