CPU overheating, need new fan, not sure how

xweetok59 · Feb 21, 2014

My current CPU is still using the stock fan, and it is overheating pretty hard.

When idle, it is at 50-55 degrees Celsius with the fan running at like 60% speed
While normal gaming, it hits 60-70 degrees Celsius with the fan going like 80%
While "hard" gaming (games like Skyrim on ultra, BF4 on high etc.) it gets up to 80 + degrees Celsius with fan hitting 100%.

So I was thinking about buying a new fan, but I am not sure how effective this will be. Another problem is the placement of my fan.

I was thinking about buying TX3 Evo from cooler master, as it should fit.

But another problem is the placement. Its like the fan is sideways on top of my motherboard, and it blows air out of some holes in the computer case. It kinda looks like this:

So how would I even install that?

Cyber-Freak · Feb 21, 2014

Before you attempt this, make sure you grab some silver thermal paste as well. You won't need much, just a few dabs.

In fact you might be able to solve some of your heating problems because it sounds like the heatsink/fan might have too much paste between it and the CPU and/or it could be mounted wrong.
Remove whatever bond is currently between your heatsink and CPU; clean them thoroughly, apply the new paste, and replace the old heatsink/fan.

Test it and see if it helped.

Otherwise you still need that thermal paste...

The heatsink/fan combination that you're looking at will have a flat (hopefully mirror) surface which sits on top of the CPU. In this case your fan will actually be taking air in from the area from above the memory, rather than top down (from the CPU's point of view), and exhausting it towards the back where all your ports are.

From the image above your fan currently should be pulling air IN to the case from the left side holes, rather than blowing OUT. (just to clarify)

When you've applied some thermal paste onto the cpu (a few dabs only), place the heatsink on top and ensure it is tightly fastened. If there are plugs that fit in with the motherboard be sure that you hear the clicking noises.

BE SURE TO READ INSTRUCTIONS on proper procedures, CPU's tend to be different.

what is yours?

THEIZZO99 · Feb 21, 2014

could buy a water cooler like a h55 by corsair it cools pretty good had a h55 on fx8350 run anywhere between 1 to 10 degrees C on idle and about 20 to 30 degrees C while playing bf4 with a well vented case

xweetok59 · Feb 21, 2014

My CPU is an A8-6600k from AMD.

I just took a look into my computer, and I think air comes IN through holes in the backside from my case, and then it gets blown out through the left side of the case, the left side is the one my CPU fan is currently facing.

I took some pictures. This one is from the side. If you look closely, you can see my CPU fan. I believe its a so called "low-profile" fan.

This is from the back, where I believe the cold air gets in through.

Or did I mix it up, and does the air get in through the left and blown out behind?

Behind my motherboard (so on the right side) there is the PSU with some big fans.

Cyber-Freak · Feb 21, 2014

Typically, cold air comes from the front or the side of the case, and gets blown out the back.

Cold air is also usually blown towards the CPU, rather than away from it.

From the looks of everything you might indeed be better off with a new heatsink and fan. It's still wise to see if everything is setup properly, be sure to have the thermal paste before you start taking things apart.

Your current setup does look clean, but to be sure...
While the computer is off, just spend a few minutes, making sure the fins of the current setup are clean, blow against the fan to be sure it's not dragging. Though there should be some apps like cpu temp running to monitor fan speed.

xweetok59 · Feb 21, 2014

I just opened the case and checked the fan, I don't think there is anything wrong with it. It might just be the thermal paste, but I heard the stock fans are low quality anyway I so I guess I best buy a new one.

If the hot air is supposed to blow out from the back, then I should be able to use a "standing" fan. As I said, I was thinking about buying the Cooler Master TX3 Evo, though I'm worried if it will fit. It says it is for "ATX" motherboard, my motherboards form is "Micro ATX".

Cyber-Freak · Feb 21, 2014

The Cooler Master TX3 Evo is a great solution to your overheating problems, please be sure to grab some thermal paste and apply a few small dabs while installing.

http://www.coolermaster.com/cooling/cpu-air-cooler/hyper-tx3-evo/

There should be enough clearance between the CPU with this heatsink and the case lid.
Mini-ATX or ATX it shouldn't matter, so long as it's supported by your CPU, which it is.

As the fan will be blowing to the back of the case what might help in addition to the new cooler is an 80-120mm Fan for the back of the case to pull the hot exhaust air out of the case.

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CPU overheating, need new fan, not sure how

xweetok59

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THEIZZO99

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