Monday, March 30, 2015

CPU overheat after cleaning the fan


I have decided to clean my computer. I opened it, removed the fan from the CPU and cleaned it. It was jammed with a lot of dust. After I put it back, and it rotates much smoother and better, I started to get CPU over heat error. I never got it before. It's a bit ironic that after cleaning the fan my computer hangs and send a CPU over heat error. After restart it says "CPU overheat, press F1 to continue".


I think of two options:
1. I miss located the fan over the CPU and so it really overheat.
2. I somehow ruined the heat detector and it thinks it's over heating.


I even tried to disable CPU temperature monitoring in the BIOS, and yet, the computer auto-restart and says CPU overheat.


What can I do?
How can I know that I have placed the fan correctly?
How to know if the temperature detector is OK?


The computer I have is ASUS pundit 350:


Thanks.
Aviv.


Answer



Most likely is that you CPU fan is not properly anchored. This causes that the metal could not lead away all the head.
Another thing could be, that there is too little heat paste (the white sticky stuff).


Best thing for this problem is to clean your CPU and fan and apply new paste on one (!) side. Spread it a little so nearly all of your CPU is covered. Don't take too much 1-3 pinheads of paste should do it.


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