Phenom II X4 965 BE Overheating Problem - Nearly 90c at Idle

Hey guys. So recently I've been fed up with all my games stuttering about every two seconds and wondering why it was like that, which lead me to research on what was causing this issue. First off, it couldn't be my GPUs which was fully capable of running the games smoothly. Temps for both of the cards I have were about 40c so they were fine.

I then installed HWMonitor to check on my CPU. Stock voltages, but to my amazement, my four cores were at almost 90c - the whole time. I rarely check these temps and I wondered how on earth the CPU has yet to be fried when they are only 10c away from boiling point. I checked Core Temp and I got the same results averaging in the high 80s. I decided at this point I better reinstall the heatsink and replace my thermal compound. Took the time, but still ended up with high temps in HWM and Coretemp. BIOS showed 67c-69c.

Stock heatsink, but shouldn't be a problem handing my CPU at its stock settings, never altered and never OC'd. I was considering to purchase a Hyper 212 heatsink, and even change my entire mobo and CPU to an i5, but before I waste money I would like to see if I can get my current CPU to low temps and see if there's any permanent damage. Who knows - the sensors of my mobo could be dead wrong.

Additional information I can provide is that when I touched my heatsink, it was extremely hot to the point where it can burn my fingers. Don't know if this indicates anything.

Possible problems which I will try to solve tomorrow morning:

- I believe I didn't apply enough thermal paste
- Heatsink is probably installed incorrectly somehow

I would greatly appreciate any help I could get.

System Specs:

AMD Phenom II X4 965 BE @ Stock 3.4GHz and Stock 1.35v
8GB G Skill DDR3
EVGA GTX 460s 1GB in SLI
Windows 7 Ultimate 32 Bit
1TB Hitachi 7200RPM
PC Power and Cooling S75QB 750W ATX12V / EPS12V PSU
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  1. Best answer
    remount ur cpu and change ur themal paste
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