CPU thermometer broken?

Dafster · Feb 18, 2014

i recently got a new computer with a i7 4770k processor, it is stock and i have not overclocked it and still ti shows extremely high temperatures, up to 75 when idle. i have 3 case fans which all works properly and the pc itself works fine. i downloaded speedfan which shows me that the CPU fan runs at 1700 rpm(it doesn't show the case fans as they are connected directly to the PSU). The temperature shuldn't be that high while idle and with all those fans so i was wondering if the thermometer that monitors the temperature might be broken and if not if there is any way i can fix this.

I also tested my GPU temperature which shows a stable 34 degrees when idle.

hunter315 · Feb 18, 2014

What does the motherboard say that the temperature is? Check it in BIOS to make sure it isn't just the software not knowing how to read it properly. Also check and make sure one of the push pins on the heatsink didn't come loose, it isn't an uncommon issue with the intel stock cooler.

smorizio · Feb 18, 2014

if they used the stock intel fan and the pc was shipped...turn it off before you melt the cpu. take the cover off check that the intel cpu heat sink still locked onto the cpu. the intel fan uses cheap plastic legs that are known to pop off the cpu.
the only other issue would be someone forgot to put thermal paste under the cpu heat sink.

Dafster · Feb 18, 2014

I checked the motherboard BIOS and it said the temperature was at 70 degrees when i started it and that the system and GPU temperature was at 30 degrees. to answeer smorizio's question the processor is completely stock and is not overclocked

hunter315 · Feb 18, 2014

If the motherboard said it was at 70C then you have some sort of cooling issue. Open it up, make sure the heatsink is locked down on all four corners and that the fan is spinning.

Dafster · Feb 18, 2014

hunter315 :

Are you sure it is a cooling issue because it said that the system temperature and the GPU temperature was at 30 degrees, and the fan is spinning at 1700 rpm

hunter315 · Feb 18, 2014

The GPU has its own heatsink and fan and is unaffected by the temperature of the CPU, and if the CPU is running that hot it means it is actually having a hard time getting rid of its heat into the air in the rest of the case leaving everything else nice and cool.

Either open the computer up, figure out, and solve your cooling issue or you will have to just send it back, it should not run that hot and if you put it under stress it will quickly get up to temperatures where it will damage itself.

Just humor me and open up the case and look at it. It shouldn't take more than about 5 minutes to solve this problem since it is quite likely just that one of the push pins has come loose.

Dafster · Feb 18, 2014

OK i will open it up and look at the push pins and check if they have come loose.

Dafster · Feb 18, 2014

Hi, i opened the computer and looked at the push pins and it lookas like none of them have come loose, i might be wrong tough can yuo tell me how i can tell if they are loose, it semms like they aren't tough

smorizio · Feb 18, 2014

the heat sink if tapped or lightly touched should not move. if the push pin is lose the heat sink will move up and down if lightly touched also if the back of the mb can be see you can tell if the pin has fallen out. .

Dafster · Feb 18, 2014

hunter315 :

Hi, i checked again and it seems like one of the push pins have come loose, the upper left one, can you tell me how i can fasten it again?

Dafster · Feb 18, 2014

smorizio :

it doesn't seem like the heatsink is moving but one of the push pins seems to be loose, do you know how i can fasten it again?

smorizio · Feb 18, 2014

hold the heat sink down and with a small flat head screw driver turn it. there is an arrow image on top of the clip that tells you which way to turn to lock it in.

Dafster · Feb 18, 2014

smorizio :

I fastened the push pin but it doesn't seem like it helped, might have been me loosening it while checking them. the temperature is still at 70 degrees while idle.

smorizio · Feb 18, 2014

if you bought the pc from a local store walk in with it have them check that the cpu heat sink on tight and there thermal paste under it. if not use the warranty for someome to look at it or return it. with the temp readings try using open hardware monitor make sure the temp reading is right that the 70 temp is in c and not in use 0f temp. one temp that may read as hot is the mb chipset temps.

Dafster · Feb 20, 2014

Checked again and it indeed was just one of the push pins that were loose, fixed it now and the temperature is normal

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