Sam_ramos_02 :
Lmao why are you insulted over me saying you don't understand??
I was using amd overdrive and it would let me overclock. Core temp is actually the same temp as it was on amd overdrive, remembered checking both of the temps not going over 65C because when it would hit 66 the fans would be pretty loud so i'd notice. also my pc is a prebuilt (motherboard : asus m51bc)
No, it was not telling you the same thing, and whatever Core Temp was telling you was wrong.
Overdrive provides thermal limit. So basically in Overdrive the higher numbers are cooler (example 30 is good), Lower numbers are hotter (example 3 means you are at 62c). Thermal limit is based on the max temp of the CPU.
That motherboard is not too bad but Overdrive is not how you want to overclock, its for testing purposes to help set up an overclock that youd then put into the BIOS. If ASUS did not include any overclock capability in that BIOS they did so for a reason. I do see that it has cooling fins on the VRMs and from the looks of it, it may be a 6+2 setup which should handle an overclock. However if you put a different cooler on there would be no airflow over the cooling fins.
I lean back on what I said earlier that there is likely a good chance that you damaged the CPU, or you may have cooked one or more of the VRMs. As for why it "fixed itself" before, damage like that can be touchy, maybe it overheated for a time, and wouldn't work and then once they cooled off then it would work. Do that enough times and they start to fail, which is likely whats happening to you.