Hot CPU...100 degrees C+

[normski_]

Gents

A friend has dropped me their PC to mend as it kept resetting when playing games, and they suspected the graphics card.

However I have found that the CPU is running at 95 degrees C at idle and as soon as it reaches 109 the PC shuts down.

Obviously this is very high for a 3.2 HT Pentium 4 of any description (haven't taken it out to have a look at exactly which version yet).

The fan on the heatsink (stock) is clearly spinning at 2,800 rpm.

Obviously I will be checking to makesure the heatsink is correctly attached, will replace the thermal grease with AS and make sure there aren't airflow problems.

But I can't conceivably figure why even if the existing grease/compound is useless or the heatsink isn't quite fitted correctly, how the temp could get this high....anything else I can check/do/look for?

Cheers guys....

 

[normski_]

Yes it feels scorching, and secondly, faulty sensor or not, surely it wouldn't shut down unless it was excessively hot, as I can see no where where it is set to power down at a certain temp...and you can't reboot it for a couple of minutes until it has cooled either...

 

[normski_]

Thanks for everyones help guys...wil report back when I have chance to do all of the above.

 

[normski_]

Took chip out, cleaned it, re-seated it and hoovered the heatsink (which had a thick layer of dust between it and the fan)...used Arctic Silver 3, and suddenly the temp is half, down to 41 at idle...that'll do me...