Okay. Disclosure: I'm stretching my technical skills at this point too. Let's see if it's temperature. I think Resource Monitor does CPU temps, but I use Core Temp when I want to monitor. It'll show you the temp of each core so we can get a little more info.

First, get the manual for your motherboard and find exactly what the light means. The manufacturer's website should have it someplace. Look up your BaseBoard in the System Information tool if you don't know what your mobo is. Once you know what's actually happening, you can search for solutions.

You are basically my favorite follow on Bluesky because of this attitude, Ben. Keep it up! Or don't! You do you :)