Not good..

[Rich Armstrong]

Hi guys, recently my CPU has started to idle at around 86 degrees. Im running a 4770k at stock speeds... Really not happy with whats going on here as i feel somethings going to go bust soon... Any ideas?

[Interfectorem]

Check your CPU cooler. Also, are you sure you're not looking at Fahrenheit readings? I know you're in the UK but.

[Hendrics]

and if you take the cooler off the chip, make sure to thoroughly clean the mating surface of the cooler w rubbing alcohol to get all the old TIM off, same with the top of the chip, then re apply with QUALITY thermal paste - prospor

[Izaya Orihara]

Try different software. 

[Nico123473]

Check your CPU cooler. Also, are you sure you're not looking at Fahrenheit readings? I know you're in the UK but.

Yes, it happened to me once and i was freaking out, but then i realized it was fahrenheit. It's not very likely that this happens but maybe it moved so try removing it and placing it again

[thekeemo]

check to see if its Fahrenheit then if thats not it check for dust

[WinNut]

Check to see if it's in Fareheight (I'm in the US so degrees F is normal, I'm getting 126 degrees on my CPU ATM), then try different software, and if that doesn't work remount the cooler.

[Fulgrim]

OP, are you confusing Celcius with Farenheit?

 

Also, try another program.

 

RealTemp

Open Hardware Monitor

 

And on a final note, is your the fan on your cooler still spinning?

[LogicalDrm]

Check what BIOS says too. And if you want to take the real world test, run some semi-heavy software like some game and see how that temps goes. If you see over 110 temp reading, its gotta be Fahrenheit.

[revl8er]

If it's not farenheit then the heatsink probably isn't making proper contact with the cpu.  Did you remove it recently?  If so when you reinstalled did you put new thermal paste on?