CPU heating problems

midnite968 · Apr 8, 2014

So i built my own PC (finally!), but I know I'm having problems with my CPU (i5-4570) overheating FAR too much. The CPU will idle around 40-50c and while ran under load with prime95, it immediately shot up to 100C, the ceiling. Strange thing is, even while playing CPU intensive games, it doesnt get any hotter than idle temp. I am using the stock cooler, but i have already ordered an aftermarket cooler (T4) and some arctic silver 5 thermal compound.

Can someone please explain why it might be doing this?

ModernWarfare · Apr 8, 2014

100c is very hot that it may damage the cpu!. have you tried re-seating the heatsink correctly and tight?

midnite968 · Apr 8, 2014

yes, ive re-sat the cooler a couple of times.

ModernWarfare · Apr 8, 2014

is the case well ventilated with fans? is the cables managed?

midnite968 · Apr 8, 2014

ModernWarfare :

Cables are all tucked away behind the motherboard (case has space for cable management), so no cable management problems. And the case has 2 120mm intake fans and 1 120mm and 2 140mm exhaust fans, so airflow is not a problem either.

sizzling · Apr 8, 2014

When you reseated the cooler did you clean both surfaces and apply new thermal compound?

midnite968 · Apr 8, 2014

sizzling :

ah, no, i did not. I just used the compound that came with it. But I was planning on applying my own when it comes in from amazon.

ModernWarfare · Apr 8, 2014

theres a problem it seems that you did not install the heatsink tightly.

midnite968 · Apr 8, 2014

ModernWarfare :

Well, my other question, from OP is, why doesnt my cpu overheat at all when i play games, especially CPU intensive games?

ModernWarfare · Apr 8, 2014

heck even idle is hot. 50c. when you play cpu intensive games ex.crysis 3,bf4.etc the cpu works harder which tends to heat more than other games that are not cpu intensive. will not use the cpu much therefore the cpu has less heat.

ModernWarfare · Apr 8, 2014

getting an aftermarket cooler with arctic silver 5 as you mentioned will solve this issue. arctic silver 5 is the best nominated thermal paste out there. and when you install the new thermal paste.

-remove old thermal paste with rubbing alcohol

-add dot/pea sized drop on the cpu not to much! DO NOT SPREAD THE THERMAL PASTE THE HEATSINK WILL DO IT ITSELF.

-add in heatsink nice and tight.

this worked for alot of people this will help you to!

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