CPU way too hot. Think its my faulty cooler.

Laurence Bowman · 21 Mar 2018 at 22:29

My cpu sits idle at anywhere between 50-80 degrees. I have re-applied thermal paste, cleaned out the radiator and bought new fans but to no avail. I believe the problem is with my Corsair hydro h100i. Im new to pc building so any tips on how to diagnose a faulty cooler/how to fix it would be much appreciated!

Space Monkey · 21 Mar 2018 at 23:24

When the PC is running, can you hold the tubes near the main head/CPU and feel any vibrations? Sounds like the pump might have, or is in the process of failing?

Are there any leaks anywhere?

Laurence Bowman · 22 Mar 2018 at 10:41

Space Monkey said:
When they PC is running, can you hold the tubes near the main head/CPU and feel any vibrations? Sounds like the pump might have, or is in the process of failing?

Are there any leaks anywhere?

Dont seem to be any leaks. When i hold the tubes i cant feel any vibrations at all, does that mean the pump isn't working at all?

Glanza · 22 Mar 2018 at 10:48

Would point to that, how have you got it plugged in?

Laurence Bowman · 22 Mar 2018 at 15:32

Its plugged into the motherboard and the 2 fans on top of the radiator. Worth noting this pc is 4 years old and has been working fine until recently.

Space Monkey · 22 Mar 2018 at 15:35

Have a look at this, ignore the strange intros but see what state the fluid and head are in?

https://m.youtube.com/watch?v=PrEdLEhphN0

Laurence Bowman · 22 Mar 2018 at 15:52

Is it worth going through this process? Im not too familiar with assembling and disassembling pc parts and this looks to be fairly risky, is it worth just investing in a normal fan + heatsink?

Space Monkey · 22 Mar 2018 at 16:09

If you've got the money and don't mind changing the unit over then that'll be the easiest solution

braindamaged · 26 Mar 2018 at 04:38

this issue sounds a lot like my own :

Remove the cooler from the CPU, looking at the thermal compound, does it look like it's making good and even contact with your CPU? see my post linked below

https://forums.overclockers.co.uk/threads/corsair-h110i-gtx-aio-high-temps-mounting-issues.18815283/

Smffy · 26 Mar 2018 at 07:48

Unplug your fans, do you hear the pump? In the BIOS usually you can see an RPM but not on all boards, should have the pump in CPU OPT or CPU.

If it’s been working fine for 4 years would seem like the pump has failed... Especially if the paste has good contact when you removed it?