Unhealthy CPU temperatures when idle

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NecroSkeith

NecroSkeith

Honorable
Apr 23, 2013
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10,530
My i3 4130 goes up from 55 to 80 degrees when idle, I may have a couple apps running such as Firefox, Steam, Skype, etc... And when I start gaming it goes up to 100°.

I looked around and and someone told me to use thermal paste, although I've been referred to put it onto the CPU fan. I tried to clean my computer case and everything but nothing worked. Do I use the thermal paste on the fan or do I just replace the fan in the first place?

Picture shows the temperature as I type this thread:
FvNbVCU.png
 
Solution
W
Hello
Please do not attempt to remove the CPU with the fan still attached. You may destroy the CPU and the socket.

Please verify that the CPU fan is spinning. Blow out the heatsink fins attached that the fan is attached to with a bottle of compressed air. Do not blow on it with your breath, there is moisture in your breath.

If there is still no affect after cleaning out the heatsink, then please remove the heatsink from the CPU (do not remove the CPU). Then clean off the heatsink where it meats the CPU using rubbing alcohol, do the same for the top of the CPU. Then apply new thermal paste to the CPU (about the size of a grain of rice, it will squish out as you attach the cooler) and put the cooler back on.

If this doesn't help then...
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Themastererr

Respectable
May 22, 2016
1,101
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2,660
Hi. An easy way apply thermal paste is to remove the CPU cooler all together. Use a towel that one fray to clean off the thermal paste of the CPU and the CPU cooler

Take your thermal paste and place a small pea drop amount onto the center of the CPU. Quickly put your CPU cooler back on and tighten the screws using a star pattern like any other job.

You should see temperatures stabilize. If not, check your voltages.

EDIT: Of course, please confirm that the CPU fan does work before doing anything.
 
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weberdarren97

Glorious
Aug 10, 2015
8,137
6
45,615
Hello
Please do not attempt to remove the CPU with the fan still attached. You may destroy the CPU and the socket.

Please verify that the CPU fan is spinning. Blow out the heatsink fins attached that the fan is attached to with a bottle of compressed air. Do not blow on it with your breath, there is moisture in your breath.

If there is still no affect after cleaning out the heatsink, then please remove the heatsink from the CPU (do not remove the CPU). Then clean off the heatsink where it meats the CPU using rubbing alcohol, do the same for the top of the CPU. Then apply new thermal paste to the CPU (about the size of a grain of rice, it will squish out as you attach the cooler) and put the cooler back on.

If this doesn't help then you need a new cooler.
 
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Solution
NecroSkeith

NecroSkeith

Honorable
Apr 23, 2013
27
0
10,530
As I would proceed to remove the heat sink, I realized one of its' pins were NOT attached to the motherboard. So there was a fault during the computer’s building. I pined it down after applying the thermal paste and doing the cleanup, booted up the pc and the temperatures went low again ‒ something I’ve never seen on this computer before.

Thanks for the answers. I’m glad it’s not overheating anymore.
 
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