I recently got an AMD Ryzen 7 3800x for my birthday, paired with an ASUS ROG Strix B450-F Gaming motherboard. I installed the new motherboard and cpu successfully, but when checking the temps I noticed that they were oddly high.
I read somewhere online that with the 3800x, you have to undervolt it and overclock it to take temps down while still not losing too much performance. I attemped to do this, but after the fist try not doing anything, I tried again. The second time I did it, when I tried to boot it the red CPU light on my motherboard was lit. I tried to reset my cmos without any