CPU temp reached 85°C

Just apply a rice grain sized blob in the middle of the heatspreader of the cpu. The pressure of the heatsink will spread it out fine.
 
Right, I'll have to buy some rice :p

Will the paste miss the corners of the CPU doing it that way or does that not matter?
 
Yep, it will miss the corners. With thermal paste you just need the tiniest drop to fill the microscopic gaps in the heatsink base and the chips heatspreader. Hence the often touted rice grain size blob you hear of.
 
I've had one of my old CPUs to 98c when overclocked which stayed around 95 for hours. 85 should be no concern really. As other say though, thats quite high for stock. What cou is it?
 
+1 for new thermal paste and removing the fan to get all the dust out.

As for temps, personally anything above 60, I don't feel comfortable with.
 
Go for the pea/rice method, it's fine if it doesn't reach the corners, all the important parts that need good contract are in the middle, cross or spread methods have higher chance of air ending up trapped in the middle section, also less is more, don't use too much.
 
Years back Hardware Secrets did an application comparison. "Less is Best" was the outcome. This is a condensed version.
TIM%20app%20HWS%201_zpsbjtzj7ra.jpg

Hardware Configuration
  • Processor: Core i7-860
  • CPU Cooler: Zalman CNPS9900 MAX
  • Motherboard: Gigabyte P55A-UD6
  • Memory: 2 GB Markvision (DDR3-1333/PC3-10700 with 9-9-9-22 timings), configured at 1,200 MHz
  • Hard disk: Seagate Barracuda XT 2 TB
  • Video card: Point of View GeForce GTX 460
  • Power supply: Seventeam ST-550P-AM
  • Case: 3RSystem L-1100 T.REX Cool
Read more at http://www.hardwaresecrets.com/what...ly-thermal-grease-part-1/#gK945ZDO3udcvdEg.99
 
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I did the job on Tuesday night and I'm still reaching 80°C at times in games. Idle temp is around 40-45°C which is not much better than before.

As it was the first time I'd ever applied paste is it worth having a look to see if I applied too much and if so put a little less on to see if that improves things?
 
you wont do no good with a stock cooler imo

is cpu voltage on auto? you could shave a few degress off if you lower cpu v,or use a negative cpu offset

other than that id plump for a good aftermarket cooler,even changing case to accommodate one if need be
 
Did you clean off the old paste? You can either use that Akasa TIM cleaner, or just use nail polisher remover and some cotton buds. Wait for it to dry out, then apply new paste,.

Arctic Silver 5 is always a good cheap option.

Remove your CPU fan from the heatsink and use a soft brush to get rid of all the dust.
 
Yes it was all cleaned off and re-applied and the heat sink and fan cleaned. I'll have a look at it to see if I put too much on and re do it again. Failing that I'll look into getting an aftermarket cooler but I won't be changing my case so I'll have to settle for one that fits, the hyper 212 Evo won't.
 
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