Hi

I have a PC built around an ASUS M3A mobo and an AMD X2 5000 CPU. Recently (after one year of use) I'm facing the following problem:

From the moment I turn on the PC, the CPU temperature gradually rises until the PC turns itself off (final temperature is around 110 degress Celcius within 5 minutes).

It makes no difference when I'm inside BIOS or inside windows. I have used both BIOS and Everst/Coretemp temperature monitoring which show the same temperature rise.

These are my observation and some things I've already tried:
- change of the thermal paste had no effect
- CPU fan speed is around 3200 rpm almost all the time which seems to be OK I suppose.
- changing thermal related settings in the BIOS like 'cool and quite' etc has no effect
- Vcore is set to AUTO and is reported to be around 1.3 volts which seems to be standard for this CPU

Any idea where this problem comes from? CPU, mainboard or something else?

I appreciate your help
SAFAI