CPU too HOT???

markdennett

Honorable
May 15, 2012
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10,510
Hi Guys, I recently bought a fairly high spec PC built for gaming(see Spec below). My main use is for an IT based degree so running many virtual machines etc. My problem is that the CPU seems to be running fairly hot even when it is idle and during a bench test (Prime95) got to 116 degrees C (HWMonitor).

MB - ASUSTek A88XM-Plus
CPU - AMD A10-6800K
CPU Fan - Arctic Freezer A11 - Paste recently changed by the previous owner.
Graphics - ATI AMD Radeon HD 8670D/3072MB ATI AMD Radeon HD 7900 Series
Storage - SSD Kingston 120GB & Seagate 1TB HDD
OS - Windows 10 Pro 64 Bit
Case - Cool Master with 1 x EZ Cool case fan

Even as I'm typing now the CPU is sat between 55 - 65 degrees C according to both HWMonitor and Speccy. I have changed from 'power saving' mode in the BIOS to 'performance' but this doesn't seem to have made a difference. I have checked the airflow around the computer and it has plenty of space and it kept in a cold room.

The only random thing is I have recently downloaded Core Temp and that displays the temp of CPU#0 as between 0 to 15 degrees C but doesn't display any other cores.

Any ideas or suggestions are more than welcome!

Thanks for your time.


 
Try to change your PSU and check.
And also use )AIDA64( to stress test and temp test.
If it throttles. It mean it is problem with CPU or something.

If this problem occurs afterall possible tries. I suggest to change motherboard because if your board will to old it may delivers unstable power to CPU cause overheat.
 


Use AMD Overdrive to get the thermal margin as temperature estimation for old AMD CPUs is quite poor in most software.

Cooling is a physical process. If the cooler is functional and attached correctly, it *will* work. If the fan is moving and the temperatures are accurate, it sounds like the previous owner botched the installation; there's no pump to stop working as in liquid cooling.

Also, if you bought this intending it to be a high-spec PC for gaming, I'd return it if you have the opportunity. The CPU is an entry-level one released five years ago and even the top-end of the 7900 GPUs (you don't specify which one you have) are being eclipsed by sub-$200 GPUs. If you spent more than $200-$250 for this PC, you overspent.
 
Your system does sound hot to me.
This could be a problem with the software interpreting the signal from the CPU incorrectly. I suggest rather look at the temperature according to the BIOS, or a CPU manufacturer specified piece of software.
(You did not specify the ambient temperature of your room where the computer is in? A CPU cooler will usually cool to "so many degrees" above ambient. We assume that your room is at 22C to 24C)
Another possibility is that the CPU cooler was fitted with too much thermal paste. This is a common problem, and causes higher temperatures.
 


If my room is cooler than the 22/24C you mention would it try to warm it up? I'm in the loft and it's not fully insulated, could that cause a problem in its self? Is there a way to more accurately measure the temperature?

Thanks
 
The colder the better - That is why cloud providers build data centers in the freezing mountains, and why overclockers use liquid nitrogen on their CPUs. (Of course, MOISTURE is really bad for electronic components, so avoid that)
 


No, they don't. They really don't.

Ambient temperature doesn't matter in a datacentre because the temperature is controlled from within the building. Furthermore, datacentres need to have redundancy and accessibility. Technicians need to access the datacentre, suppliers need to make deliveries and WAN providers need to get their connections in place. How are they going to do that when the datacentre is inaccessible?
 

Yeah, you are right - the temperature in datacentres is carefully controlled (usually 20C to 25C). The reason they are built in mountains is because costs of cooling the air is lower, since the ambient air is colder.
https://www.idgconnect.com/abstract/10485/turning-mountains-fjords-datacentre-sites
Anyway, running your computer in cold air will not be a problem, provided the air is dry.