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Computer Overheating! by Chris4 on 06-24-2005 at 03:22 PM

I'm getting very worried about my computer.

Firstly, my computer has been turning off after about 1.5 hours of use on it.
When I feel the back of the tower, it is very hot. The fan seems to be working fine. I can feel (warm) air coming out.

If I try and turn the computer back on, it will turn off after about 1 minute. Probely because, if the computer was to stay on, it will blow up and start a fire.

I decided to check the temperature of the computer, by going to PC Health at startup.

----------------------------------------------------------------------------
Here's the status of the computer when I havn't used it all day:

System Temperature: 35 ºC
CPU Temperature: 40 ºC
CPU Fan Speed: 3750 RPM
----------------------------------------------------------------------------
Here's the status of the computer when it's been on for 1.5 hours.

System Temperature: 61 ºC
CPU Temperature: 72 ºC
CPU Fan Speed: 4115 RPM
----------------------------------------------------------------------------

I noticed, when I first turned the computer on, the CPU Temperature was 40 ºC, but in about 2 minutes was at 50 ºC.

I can't understand why this is happening. I havn't fiddled around with it or anything; it just started happening a few days ago.

If you've any more questions, i'll be happy to answer them.

All help is greatly appreciated. :D


RE: Computer Overheating! by guanako on 06-24-2005 at 03:30 PM

this may help you it can regulate how your fan works it can regulate or at least help the temp
download link
the web site


RE: Computer Overheating! by squall_leonhart69r on 06-24-2005 at 03:30 PM

OK WTF

something is very wrong here

BUT

just coz you feel air coming out the back doesn't mean its all good

now most computers have a safety cut off of about 60-70c

it sounds like your CPU Fan is dead which would explain why its getting so hot

STOP USING IT AT ONCE > FURTHER USE COULD RESULT IN PROCESSOR DAMAGE

take your computer down to the local shop if your not experienced enough to replace the heatsink/fan and get them to replace it

it also appears to have a fan speed controller, are you using any programs to control the cpu fan speed?


RE: Computer Overheating! by Gorillaz2-D on 06-24-2005 at 03:36 PM

look im 11 but heres the thing heat outside and indoors effects ur pc. Also buy a can of air. it cleanses ur fan. also give the pc a break. But if u ask me truly call a computer store. or use websites. But the fan as squall said is probaly dead. So buy a can of air spray and keep ur fan clean. And also clean the computer on the out and inside.


RE: Computer Overheating! by TheBlasphemer on 06-24-2005 at 03:46 PM

Pfff, turn your PC off.
Next, open the case, don't touch anything yet
You can push aside wires a bit so you can see the fans.
Next turn the PC on, and check to see if there are any fans not turning.
Be sure to turn the PC back off ;)
If all fans are spinning, go to a PC shop and let them have a look,
if one of the fans is not spinning, check to see if it's plugged in, and try cleansing it.
If that doesn't fix the problem, go to a PC shop too :P


RE: Computer Overheating! by squall_leonhart69r on 06-24-2005 at 03:55 PM

the heatsink may have also been unseated so its best to just take it to your computer shop of let a friend who knows what they are doing to reseat the heatsink or replace the fan/heatsink


RE: Computer Overheating! by Chris4 on 06-24-2005 at 03:56 PM

quote:
Originally posted by TheBlasphemer

Next turn the PC on, and check to see if there are any fans not turning.

I'm not turning the PC on while the case is open. That is just stupid.

quote:
Originally posted by guanako
this may help you it can regulate how your fan works it can regulate or at least help the temp
download link
the web site

Downloaded it, and this is what it shows.

[Image: fantemp5ff.png]

114C... doubt it.

squall_leonhart69r, i'll probely get one of my dads mates to look at it. If they can't help then probely buy a new fan or something.
RE: Computer Overheating! by squall_leonhart69r on 06-24-2005 at 04:02 PM

dude, its safe to turn on a pc while the side is off

i do it all the time

it won't zap you, i run my computer with the side of all the time

i even have it running while cleaning it:P


RE: Computer Overheating! by RaceProUK on 06-24-2005 at 04:57 PM

quote:
Originally posted by squall_leonhart69r
the heatsink may have also been unseated
Which would be signified by a thin trail of smoke leaving the PC. This, of course, being the CPU frying itself.

The best course of action here is really to clean the insides first, then take a look at whether the fans are working. The fact that the emergency trigger isn't hit means something is cooling the PC - just.
RE: Computer Overheating! by squall_leonhart69r on 06-24-2005 at 05:17 PM

not necessarily raceprouk

most processors these days are good for 80c
and unseated just means its not sitting flush with the core, so heat is still being transferred just not efficiently,

i myself have had an unseated heatsink

heck i once ran a duron 850 without thermal grease :O

got to 70c, was a power surge that blew it though LOL

just have someone look at it,

i really don't like the sound of any of those temps and i think thier is something very very wrong


OH OMG if what im reading is right, his cpu is at 114c :O

i hope im wrong

Temp 2 is the cpu temp

the top temp 1 is the mobo and the bottom temp 1 is the PSU (power supply)

temp 3 im not sure about, i only have temp 1 and 2 and the rest are named
RE: Computer Overheating! by Apatik on 06-24-2005 at 07:43 PM

the temperatures shown in speedfan depends on the motherboard's sensor, but generally the higher is the CPU's yes..

maybe just a lot of dust on the heatsink *-) a lot -_-


RE: Computer Overheating! by squall_leonhart69r on 06-24-2005 at 07:50 PM

nah, no way, i cleaned my duron1100 yesterday and it had an inch of dust on it, and duron1100s get hotter then athlonxp's :P


RE: Computer Overheating! by multimillion2k on 06-24-2005 at 10:40 PM

I know might sound really dumb, but what's the temperature of the room the computer sits in...?


RE: Computer Overheating! by YottabyteWizard on 06-25-2005 at 02:57 AM

Obviously he needs a new CPU fan.  :S

quote:
Originally posted by chris4
quote:
Originally posted by TheBlasphemer

Next turn the PC on, and check to see if there are any fans not turning.



I'm not turning the PC on while the case is open. That is just stupid.



:rofl: Dude, it's safe to turn on/off your computer with a side open, in fact, i builded a computer WITHOUT case, just a power supply, motherboard, and everythign else, started the motherboard manually with a screwdriver and i had it running, you just have to be carefull.
RE: Computer Overheating! by Chris4 on 06-25-2005 at 01:06 PM

quote:
Originally posted by Apatik
the temperatures shown in speedfan depends on the motherboard's sensor, but generally the higher is the CPU's yes..

maybe just a lot of dust on the heatsink *-) a lot -_-
I'll open it up and clean it out and see if it makes a difference :P


quote:
Originally posted by multimillion2k
I know might sound really dumb, but what's the temperature of the room the computer sits in...?
Erm, depends. Just normal.


RE: Computer Overheating! by brian on 06-25-2005 at 02:20 PM

I don't know if I have the same problem, but once I left my computer downloading for a night, I came back the morning, the computer was reset?  =\

Is that a cause of overheating?  I have never overclocked or whatever my CPU.


RE: Computer Overheating! by TheBlasphemer on 06-25-2005 at 02:26 PM

Don't always trust what speedfan tells you ;)
On my PC it tells me temp2 is 127C, which is complete and utter bullshit ;)
I doubt your PC would survice at 114C :P

Anyway, about the case, trust me it's safe to turn on a PC without the case on. as long as you don't start poking in it with your fingers, that is ;) The case is just to protect against things touching important parts and stuff, and it's better for the airflow. but a PC can run fine without a case ;)


RE: Computer Overheating! by YottabyteWizard on 06-25-2005 at 03:38 PM

If you have never had a self-shutdown or reset then i don't think there's a problem, i think TheBlasphemer is corrent, some computer mark some temperature while others another one. My computer marks my CPU is always at 60C, i told this to a friend... almost kills me, he said it's a very high temperature, but anyway my computer is running fine and i checked the heatsink and i don't think it's 60C :S:@.
You can also check for yourself after using your computer for a while touch your heatsink, if it's 'untouchable' then you have a problem.


RE: Computer Overheating! by RaceProUK on 06-25-2005 at 04:16 PM

quote:
Originally posted by squall_leonhart69r
not necessarily raceprouk

most processors these days are good for 80c
and unseated just means its not sitting flush with the core, so heat is still being transferred just not efficiently
Or at all. And while processors may handle 80C, it will significantly reduce the lifetime.
RE: Computer Overheating! by YottabyteWizard on 06-25-2005 at 04:28 PM

Then what's normal?


RE: Computer Overheating! by RaceProUK on 06-25-2005 at 06:55 PM

What's normal for what? If you're talking about normal processor life given sufficient cooling, probably 15+ years.Given insufficient cooling, closer to 15 months.


RE: Computer Overheating! by YottabyteWizard on 06-25-2005 at 11:04 PM

No, im talking about temperature.


RE: Computer Overheating! by RaceProUK on 06-26-2005 at 01:05 PM

Anything below 50C should be fine.


RE: Computer Overheating! by NeoRevan on 06-27-2005 at 09:13 AM

Well, I already knew this and SpeedFan just confirms it, Fan2 (top rear) on my comp isn't moving at all. It's an LCD lighted fan so I could see it.
Now Im a hardware n00b so Im cautious about fiddling with anything in there, will making sure the fan is plugged in OK be difficult? What should I look for?


RE: Computer Overheating! by brian on 06-27-2005 at 11:07 AM

Well, do you see it moving?  If you don't, you gotta verify you plugged one of the SYS_FAN wires to your mobo..


RE: Computer Overheating! by RaceProUK on 06-27-2005 at 12:35 PM

quote:
Originally posted by NeoRevan
will making sure the fan is plugged in OK be difficult? What should I look for?
It shouldn't be difficult, and you're looking for a small 3-pin connector with red, white, black wires in that order. They only connect one way round. The connectors on the mobo should have FANx written by them - usually FAN1 for CPU, FAN2 for system fan.
RE: Computer Overheating! by NeoRevan on 06-28-2005 at 02:25 PM

Okay, cool, Ill check this out tomorrow. Thanks :)


RE: Computer Overheating! by henri on 06-28-2005 at 10:01 PM

true i have a hp windows me brocen and i take it apart all the time you plug o ferget it get the vid and thats it


RE: Computer Overheating! by NeoRevan on 06-29-2005 at 08:46 AM

quote:
Originally posted by raceprouk
quote:
Originally posted by NeoRevan
will making sure the fan is plugged in OK be difficult? What should I look for?
It shouldn't be difficult, and you're looking for a small 3-pin connector with red, white, black wires in that order. They only connect one way round. The connectors on the mobo should have FANx written by them - usually FAN1 for CPU, FAN2 for system fan.
Well I did open her up today, and it seems like I don't have a FAN2. I can fit 2 in the front and 1 in the back (not including power supply fan). I flipped both the fans so the front fan is now inhaling air while the back fan is exhausting it. In idle times, the comp is now 7 degrees C cooler. Internal temps seem lower as well. I can feel air coming out from the rear fan, so it must be running :P
The air coming out from back doesn't seem to be hot, so I doubt the wires back there is gonna suffer from it.
RE: Computer Overheating! by squall_leonhart69r on 06-29-2005 at 10:25 AM

what about the cpu fan?

hows that looking

you might need to remove the fan from the heatsink, and clean the fins as dust along the fins can disrupt heat transferral

and some sensors are picked up wrong on speedfan

the only sensor that speed fan picks up wrong is the one that is my Geforce 5900XT's Core temp sensor, and i need to adjust it by 16c

still 70c is hot for idling, or light use, so either your cpu is overvoltaged, the heatsink has become unseated, the grease wasn't applied right in the first place, or the southbridge on the mobo is dieing, as the southbridge is what picks up the temps.

its still probably best to have the cpu hs/fan be looked at by a pro,

and raceprouk. 50c is not a standard temp anymore

the athlonXp 3200, and the latest athlon64s reach up to 60+ on stock cooling

using 3rd party copper or aluminium coolers is much better


heck i dropped my 2000+ 15c by installing a Volcano 11+ down from 49c to 35c


RE: Computer Overheating! by RaceProUK on 06-29-2005 at 12:38 PM

quote:
Originally posted by squall_leonhart69r
50c is not a standard temp anymore
I never said it was standard, just that anything below that is fine.
quote:
Originally posted by raceprouk
Anything below 50C should be fine.

RE: Computer Overheating! by squall_leonhart69r on 06-29-2005 at 01:18 PM

yeah,

i know,

but as i forgot to mention, newer processors are designed to run at higher temps for longer :P

thats all,

still i think it needs to be looked at properly 70c isn't right on something like that


RE: Computer Overheating! by YottabyteWizard on 06-29-2005 at 10:44 PM

I was scared, i thought 50C was too much.... :D, and now im overcloacking a lil bit and i don't have any increase of temperature.