cpu always at 100 celcious, why?

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dragon-gab

dragon-gab

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Jul 29, 2008
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well for the past week or so, my cpu has been running at 100 degrees Celsius, yes that's right, and my pc just keeps freezing on me and i have to reboot but even then, it'll just keep freezing like that. so i can't use my pc because of that, right now, it's because i'm in safemode, and i have speedfan to monitor temp, always from 100 to 106.
cpu cooler- antazone as-c1000 (blows 49cfm)
cpu- intel pentium D
motherboard- ecs PA1 MVP
ram- corsair twinx 1GB ddr2
power supply- ultra x-finity 2G 600W

i do not overclock, i leave all at default. there is plenty of airspace for the cpu, all the power cables are hidden beneath my dvd drive and no air comes in from there. i want to know why it is at such an abnormal temperature like that.. and this is a custom pc just in case somebody asks

and in case anybody asks, yes i am using the ast (after spin technology) feature. yes the power cable for cpu plugged in, the way i was able to install windows and have it running for a while is that i completely took my pc apart and then put it back together. i know that if i leave it off for a long time, it will get back to those conditions, but for an odd reason it just gets to 100 Celsius and stays there, then pc freezes. i really need a solution that won't cost or will cost very very little because i have no money and this pc cost me almost 2 thousand as it is, reason for low price, tigerdirect.ca

thanks in advance for help
 
Reseat the HSF. Is it a pushpin? If so reseat it and clean the paste and apply some AS5.

If its a pushpin HSF then it probably just came loose.

Man I love my back plate mounted cooler.

If you have a bit of extra cash look at the Zalman 9700 (has a backplate for better holding). If not I think the TR Ultra 120 is dcent in price and is a darn good cooler too.
 
well i don't entirely understand. the fan has a 3 pin connector, but how do you reset it? i never knew that, and i'd like to know how. i'll give links to photos of the cooler. and I've had this for a while now, always been working fine. i can run crysis perfect but until it started with the high temp thing, i don't get it.

oh and i don't know if this could help but it holds on with 2 plates, 1 on bottom of motherboard and 1 goes on top of cooler, 4 screws pin it down, but i only did it by hand no screw driver so if tightening it more will help, I'll do it.
 
You had better get the heatsink properly mounted to the CPU before you boot it again or your CPU will fry and you will be buying another one. You are hitting the emergency thermal shutdown of the CPU, it's way way way too hot.
 
He said reseat it, not reset it. Is the CPU cooler making proper contact with the CPU? Sounds like something probably came loose.
 
Basically you have to take the HSF off and put it back on. While you are at it clean the thermal paste and apply new paste. Thats what reseating the HSF is.

If you don't your PC will probably fry the chip running that hot. Lucky for you though is that the Pentium D series has a high thermal area or it would be dead already. Or at least the Pentium 4 series which it is based off of can run at very high temps and live.
 


No, not reset. RESEAT. Take the cooler out, clean it and install it again. 100C means your cooler isn't doing anything (it's not installed properly so there's no contact between it and the cpu itself.) You are basically doing no different than running that pc w/o a cpu cooler. Take it out, clean the top of your cpu and the bottom of your cooler carefully with alcohol (make sure thermal pad on bottom of cooler is scraped clean if there was one) then put just a TINY dab of AS5 on the center. Fan that out in a circle, then reinstall the cooler.

I hate to tell you but if you bought that stuff recently (read: last couple of years) then you shouldn't be saying "reason price is so low" because you got ripped off majorly.
 
Get a can of air, and blow the dust out of it, then check if the fan is working. If not you'll need a replacement HSF. If the fan does indeed work, get some new thermal paste, remove the Heatsink, wipe off the old paste (or scrape it off depending on the type of TIM), clean the bottom of the heatsink, and contact point on the CPU with Rubbing Alchohol. Then re-apply something like AS5, or Ceramique.
 
Yup.

I was upgrading my Northwood 2.4G to a 3.4G a while back and I was going to blow out the HS.

After a few years it was so clogged with tar and dust that I had to soak it in simple green for several hours. I almost broke out the heptane.

Like I said I have seen some pretty nasty ones, and my temps were no where near that, maybe 5-10C higher. I was using a Vantec Tornado, but the HS was nasty.
 


The problem seems to lie around this phrase.

RESEAT that cooler ASAP, I recommend reading a guide on how to do it.



I didn't want to bring that up, but seeing you already did it I'll do it too, two thousand for that set up is a complete rip off unless you have two gtx 280 or something similar, next time compare prices BEFORE you buy or you'll end up regretting it
 
well looks like i missread.

alright more news, it is applied correctly, when i touch the coppe it's prettty dang hot, but sometimes it'll be normal and i bought the cpu for 69$ off tigerdirect.ca and if you say i got ripped off, your wrong, tiger's 1 of the best sites for pc parts, the cheapest sofar, and no used, only refurbised and there in a refurbished part of site meaning there not mixed with new and i bought it in december last year, received in january since ups had some trouble shipping.

fan is clean i cleaned everything, applied thermal paste perfectly(right amount, well spread) and it blows out heat but little. i changed bios so all voltage and clock settings are normal witch they were. no difference, now it varies between 100-105(1 degree lower). nobody smokes, pc is in my room and nobody get's in here unless i let them. keeping my logitech x-540 in here as well as guitar and everything.
 


If you bought that CPU for that price in the last two years then you did get ripped off. Badly. A Dual-core Allendale can waste most Pentium Ds and you can get those new for the same price.






 
If it is a new build and the HS is seated properly better you replace your chip or the heat sink or both. Either it is generating too much heat or the heat sink is not adequate.
 
The heatsink looks adequate. I think there is something else wrong with it though causing the temps to rise. Somthing is not letting the HSF do its job cuz with copper and heatpipes it should cool it just fine.

Here is a quick article on that HSF:

http://www.overclockers.com/articles1352/

So it is fine for a Pentium D.

Oh and depending on when you bought it, if it was recently you could have gotten a Pentium Dual Core for around the same price that outperforms itt easily.
 


Tigerdirect.ca does not have the cheapest prices. They do however have one of the best selections though. However, compared to local retailers, they aren't cheap at all. Retailers such as Canada Computers, NCIX and PC Village have better prices for processors and etc.

Maybe in the States TigerDirect is cheaper, but not in Canada.
 



uh i didn't pay 2 thousand, from an estimate, your minimum 500$ over howmuch i paid. and i can run loads fine, when i had vista everything was running perfect, and it's jsut as good on xp. and this is sorta a "budget" pc. so i'm not sticking with most of this for long it was sorta temporary cause i needed a pc.
 
If the heatsink was 100C it would burn you if you touched it. You need to CLAMP the heatsink to the cpu by using a screwdriver on those screws, finger tight is NOT enough. :non:

Mike.
 
You don't by any chance live in hell do you? But really, what are your ambient temps? What's your CPU VID? How's the airflow in your case? Could just be a bum CPU or a bum mobo.
 
There is only 1 reson for the CPU to actually be working, overheating, and freezing up. It is getting too hot. The reason it is too hot is that the Heat Sink is either not mounted correctly, or there is a manufacturing defect with it. If it is one of the ones with copper pipes, it could perhaps have had a leak and all the material inside the tubes has leaked out.
Meaning it won't cool for ****.
Replace it.
 
Pentium D's do this; I had one do the same thing to me (even hit 83C Watercooled...).

If your motherboard supports one, just save the headache and get a cheap Core2. It's too hard getting Pentium D's NOT to overheat in my opinion.
 
oh and i don't know if this could help but it holds on with 2 plates, 1 on bottom of motherboard and 1 goes on top of cooler, 4 screws pin it down, but i only did it by hand no screw driver so if tightening it more will help, I'll do it.
Click to expand...
That IS your problem! HS has to be CLAMPED to CPU, lots of pressure, finger tight NBG. Get a screwdriver and tighten the screws evenly. Do one a bit, then turn opposite screw same amount, then the other two. Then turn original some more and repeat process until they are all tight.

Mike.
 
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