Applied new thermal paste, temps are high now??

DeathAngell · Oct 22, 2016

Last night I took off my CPU cooler and used rubbing alcohol to clean off all the thermal paste and I applied new stuff. For some weird reason, not my temps are hitting 50-55 just pretty much idling and an Aida 64 test brought them up to 70! (my cpu was overclocked before and didnt even hit this high). I am confused as to why this is happening. Help!

Luminary · Oct 22, 2016

If the temps are higher after replacing the thermal paste then the most likely conclusion is that the new thermal paste application isn't working properly.

A few questions just for us to know a little bit more about your setup:

What type of paste did you use?
How much paste did you use, and how did you apply it?
What is the CPU and heatsink models?

DeathAngell · Oct 22, 2016

Luminary :

Arctic Silver 5
Maybe a bit too much, honestly, tried doing the line method but I was trying to put on a heat sensor too so I might have applied it weird.
CPU - i5 4690k, Cooler - Coolermaster v8 GTS

Luminary · Oct 22, 2016

"Maybe a bit too much, honestly"

Too much paste would certainly be a culprit for the higher temps. If you had enough paste for another reapplication I'd have another go.

That said, those temps aren't anywhere near dangerous. Unless your CPU temp is getting close to 90c you're in good shape, so if you wanted to use your PC a bit before trying another application it would be fine to do that.

DeathAngell · Oct 22, 2016

Luminary :

Before in Aida 64, the highest it would get (while overclocked to 4.4ghz) was 54. Now I'm seeing around 70 without overclock so that's a bit of a jump for me, and I keep having random temp spikes for no reason. How should I apply it so it's "proper"?

Luminary · Oct 22, 2016

Give this Arctic Silver 5 application manual another quick readthough: LINK

The biggest learning curve with thermal paste application is the amount. As seen on page 5 of the manual, you're going for a nice even application over most of the CPU face WITHOUT having it leak over the edges.

DeathAngell · Oct 22, 2016

Luminary :

Took off my cooler and saw this...
- http://i.imgur.com/0MdPtYE.jpg
- http://i.imgur.com/V0iDswQ.jpg

Cleaned them off and did this...
- http://i.imgur.com/2CEvD9O.jpg

PsyKhiqZero · Oct 22, 2016

Likely the heat sensor is preventing good contact between the cpu and the heatsink. Often to do it right you have to embed it into the cpu lid. Not really worth the effort IMO unless your going for extreme OC and need the accuracy.

DeathAngell · Oct 22, 2016

PsyKhiqZero :

The heat sensor wasnt actually meant to go there. It was meant to be near the fans so they could be automatically controlled by the fan controller. Soooo it fried the sensor. Ohhh well...

PsyKhiqZero · Oct 22, 2016

If you do the line method it need to go in a specific direction. You need to look it up. I just do the pea sized dot in the center.

Also make sure you apply even pressure when securing the bolts to the heatsink. A few twist in an x pattern like you were changing a tire. It helps if you can get another set of hands to hold the heatsink down.

DeathAngell · Oct 22, 2016

PsyKhiqZero :

X pattern doesnt help with how my cooler is setup. It has 2 independent clamps. Look at the screenshots in my above post.

delta5 · Oct 22, 2016

Pea dot method is what I do as well. My 212+ cooler, I place the cooler on as flat as possible, then tighten each screw a little at a time.

IE: top left screw = 1; top right = 2; bottom left =3; bottom right = 4; I tighten in this order: 1, 3, 2, 4

PsyKhiqZero · Oct 22, 2016

I can't see the pic. But if it's possible do both clamps at the same time while someone holds the heatsink in place. I would also double check the backplate install to make sure its all level.

DeathAngell · Oct 22, 2016

delta5 :

I know how to do it. My cooler has 1 clamp on each side so the x pattern tightening doesnt work.

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