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 Posted: Sun, 2nd Dec 2018 01:54 Post subject: Cpu Temp causing the cpu to operate on lower clock rates? |
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First of all i have to admit that im not that technically versed
so here we go:
I have an older rig that is some year old now.
i5 4590 (3.3ghz/Turbo 3.7)-> no hyperthreading
with 16 gb ram
Some performance issues led me into digging around.
I never replaced the thermal paste on my cpu(stock)cooler and it is very dusty i must admit.(Never cleaned it since i thought i might break it)
So long story short when i start a game or even backup games on steam my cpu easily reaches 100 degrees..... (even if the cpu load doesnt reach 100%)
Some friend told me that if an intel cpu reaches 100 degrees that it automatically clocks itself down to avoid getting hotter or even being damaged.
i'll replace the thermal paste and do some cleaning but is this actually true?
And how come my cpu aint already dead yet since it seems like i kept going like this for a while now?!
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Frant
King's Bounty
Posts: 24636
Location: Your Mom
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| Posted: Sun, 2nd Dec 2018 03:13 Post subject: |
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100 degrees?? Celsius?
Clean the PC well, make sure you have proper case ventilation, clean off the CPU and Heatsink and replace with fresh thermal paste.
Yes, Intel SpeedStep etc. will clock down accordingly to it's built-in rules including high temps. It depends on the settings for Speedstep, power management and so on.
The life expectancy of your CPU has probably dropped a bit but as long as your CPU was below it's TjMax you should be safe. Standard Intel thermal shutdown policy is that @ 100C it throttles down, @ 115C it force an instant shut down.
If you plan on continuing using that rig I'd advice you to get an aftermarket cooler (212 evo), some Arctic MX-4 thermal paste and assemble it after cleaning everything out thoroughly.
Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn!
"The sky was the color of a TV tuned to a dead station" - Neuromancer
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Morphineus
VIP Member
Posts: 24883
Location: Sweden
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| Posted: Sun, 2nd Dec 2018 03:26 Post subject: |
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What frant said. Got the Evo myself and it will give you more than you need at a decent price.
Also try to make a habit to clean your pc. I do it at least once every 3 months. Usually I end up putting new thermal paste around every year. Due to new parts or a more thorough cleaning. Not saying you should do it like that, but not cleaning at all... is not the way. 
Since you aren't well versed make sure to check some howto videos. There are still a few things to watch out for.
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| Posted: Sun, 2nd Dec 2018 04:08 Post subject: |
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Last edited by paxsali on Thu, 4th Jul 2024 23:25; edited 2 times in total
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tonizito
VIP Member
Posts: 51396
Location: Portugal, the shithole of Europe.
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| Posted: Sun, 2nd Dec 2018 08:28 Post subject: |
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Holy shit OP 
| boundle (thoughts on cracking AITD) wrote: | | i guess thouth if without a legit key the installation was rolling back we are all fucking then |
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| Posted: Sun, 2nd Dec 2018 11:01 Post subject: |
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@pax: 82°C with those benchmarks or with prime and enabled avx? or 82°C with those named benchmarks and only 4,9ghz all core? that compared to 52°C with normal boost speeds its way too high. have u used automatic oc settings? dont do that, do it manually cause it most likely uses a vcore too high which is not needed for stable usage and causes that high temperatures
Last edited by Janz on Sun, 2nd Dec 2018 11:01; edited 1 time in total
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| Posted: Sun, 2nd Dec 2018 11:01 Post subject: |
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Oopsie. Wait till i post a screenshot later
Thanks for the reply guys. Guess im filthy after all.
Another question: how do i remove dust from the mb corners. For example directly under the pci express port. Is a paintbrush okay or can it be dangerous?(static and stuff)
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| Posted: Sun, 2nd Dec 2018 11:03 Post subject: |
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compressed air (if you use your compressor from the garage please blow it free first cause it can have condensed water inside which may damage you pc), you can buy cans with compressed air for that too. or just a clean brush, works fine as well
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| Posted: Sun, 2nd Dec 2018 11:26 Post subject: |
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Dont have a blower in the garage. Could you use a hairblower on cold air mode though? Dont the Compressed air cans have condensed water in them?
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| Posted: Sun, 2nd Dec 2018 12:20 Post subject: |
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sure, hairblower on cold mode works fine. but most of the cheap ones arent powerful enough. vacuum cleaner with a brush attachment works fine too (most likely better than the hairblower), doing it that way since 20+ years cause im too lazy to get my pc out in the garage (but please fix fans with your other hand to not overspin them when you suck out the dust). BUT if you are a smoker and do smoke in front of the pc the compressed air is the only good option
and yes due to physics the cans do have condensed water inside of them, but you only need to hold it correctly in position when using them to avoid bad consequences
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Frant
King's Bounty
Posts: 24636
Location: Your Mom
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| Posted: Sun, 2nd Dec 2018 13:03 Post subject: |
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Don't forget to add filters to all fan intakes You can buy flat magnetic ones that are easy to clean and simply place them where needed where they'll stay since they're kept in place by it magnetized frame.
I always use a vacuum cleaner to clean out the case, fan filters and board, then I sort out the GPU (clean the cooler, replace thermal paste), then the CPU (clean the cooler, in my case clean up the radiator part of my Corsair H100i and replace thermal paste).
You don't want to get so much dust and crap in your PC, it WILL definitely shorten the life span of your PC by overheating, ruining fans and other symptoms. That's a constant stress on thermals and power usage which can degrade components.
Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn!
"The sky was the color of a TV tuned to a dead station" - Neuromancer
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| Posted: Sun, 2nd Dec 2018 14:45 Post subject: |
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thanks for the great advice guys. i did the clean up didnt get filters yet because it's sunday.
Before my idle temp even was 58 degress celsius now its around 20 and around 50 something on high load.
For those that are curious->
Look at it on your own risk half cleaned/uncleaned cooler:
 Spoiler: | |
Weird thing is only the fans are dusty mb looks almost as good as new.(before the cleaning)
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| Posted: Sun, 2nd Dec 2018 19:30 Post subject: |
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Last edited by paxsali on Thu, 4th Jul 2024 23:25; edited 2 times in total
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Frant
King's Bounty
Posts: 24636
Location: Your Mom
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| Posted: Sun, 2nd Dec 2018 22:27 Post subject: |
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Generally you want push-pull fans of same size and performance to keep pressure as static as possible as air goes through it. By using fans with different performance one pair of fans will be held back by the other pair. I know I've read (a long time ago) about different kinds of fan setups for WC radiators in order to affect the pressure and therefore the performance but I can't remember anything in particular.
If I were you I'd simply try both options and make note of temps/cooling performance for each setup and go with the best one. Obviously the best choice is to use four fans of the same make and model setup as push/pull.
Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn!
"The sky was the color of a TV tuned to a dead station" - Neuromancer
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