fan problem

I just ran the program speedfan on my computer and these were the results

Fan 1: 4500 RPM
Fan 2: 2500 RPM
Fan 3: 0 RPM

The computer is unusually loud. Any help please. Thanks.

How many case fans does your system have? #3 could have been a reading from your psu and depending on the psu temp the fan could have been off at the time you took the reading. I am guessing the 4500 rpm reading is your cpu fan if it is an after market fan. Fans that run at those speeds tend to make more noise. Could you post what fans go where. Is this something that just started or is it an ongoing problem?

It is an ongoing problem from the moment I got the computer. I'll try to figure out where the fans go once I can find my screwdriver. It is an after market fan because the whole computer was put together by a guy (its not built by a company). Is this a normal speed tho cause I hope its not malfunctioning or anything. The cpu is a pentium 4 3.0 Ghz (i think its prescott but not sure). I heard they require a lot of cooling so that may be the problem.

You should have a fan on the lower front of your computer pulling in, and a fan on the back blowing air out. Your cpu fan should be blowing air to the heatsink.
If your having a cooling problem with your cpu you may want invest in a good after market heatsink and fan. Hook them all up and make sure they are blowing air in the right direction. There are arrows on the fans that show the airflow direction.

My current temperature averages are:

Temp 1: 36 celsius
Temp 2: 43 celsius
Temp 3: -48 celsius (i don't think this is a correct reading)
HD: 37 celsius

I'm assuming the cpu temp is either 1 or 2.

i just opened my computer and discovered that it was the case fan that is making all the noise (the one that blows air out of the back). When I say it's loud, I mean you can almost blowdry your hair with it. What should I do with it?

You could buy a 120mm fan if it will fit in your case, they run at lower speed and move a fair amount of air. Or you could buy something like a Thermaltake Smart case fan2 that comes with a reostat to adjust fan speed.

k i just installed an antec 80 mm smartcool fan (couldn't find a 120 mm at circuit city but will order eventually). The fan rpm went down to 2700 RPM and it's a lot quiter. My temps are currently at 51 celsius for the cpu and 43 celsius for the motherboard. Are these safe levels? These readings are according to my bios (not speedfan). And by the way, thanks for all the help ur giving me.

Your cpu temps are a bit high for my taste, but well with in its limits. The mainboard temps although not real bad indicate that your still not getting enough air through the system (case). It looks like you gained some heat. Do you have a fan on the front bottom drawing air in? There is no point in 120mm fans unless your case has openings to take advantage of them. The system below has seven 80mm case fans, 2 front, 2side, 2back, 1 blow hole plus the two on the psu. I have them all running at low speed except the top fan in the back. if I turn the side fans to full speed the GPU temp will drop to low/ mid 40's but it makes alot of noise so they stay low unless I play games. My HD's sit behind the front intake fans.


Motherboard Name Epox 8KDA3 / 9NDA3 Series

Temperatures
Motherboard 29 °C (84 °F)
CPU 32 °C (90 °F)
GPU 55 °C (131 °F)
Maxtor 6Y060L0 30 °C (86 °F)
MAXTOR 6L040J2 30 °C (86 °F)

Cooling Fans
CPU 5114 RPM
Chassis 5465 RPM
Power Supply 2909 RPM

If that is a AMD cpu and seeing it is below 60C at idle and stays there underload, you should be just fine.

Now if under load it gets over 60C, I start to get curious as temps above 65C can start to cause problems at times.

I run a XP2400 for a couple years at 54 - 57C and it still runs great and still has those same temps.

its not AMD. Its a Pentium 4 HT 3.0 Ghz Prescott.

and for some reason, the bios and everest keep reporting different temps.

BIOS (American megatrends):
CPU: 49 C
Motherboard: 40 C

Everest:
CPU: 41 C
Motherboard: 38 C

of course, neither are near the danger point but its still a little confusing.

In this case, I would believe the BIOS as being the closes temp.

Now software programs at times will show a error like you have. Why, I have not yet been able to figure out. But with that board I would use Everest and ADD 8C mentally every time I checked it.

That is just what I have done in the past and it worked out over the couple years I ued that mobo.

and rbc1100, yes i do have a fan on the bottom front.

Good morning, the only other thing I can think of this AM is to make sure your ide cables are not blocking the air flow path. Round cables work well for this. If the Heatsink and fan are stock units you might want to try an after market unit such as Thermaltake or another quality heatsink&fan combo. I would trust the bios reading 1st. If you do not have a side fan and are handy with a dremal then you might consider a side fan to blow air directly on the cpu, Graphics card, mainboard. I have had to do this to two systems with good results.

the case has an opening on the side for an additional fan so I probably will put another one in. And also, I put back my old fan in (the one that constantly runs at 4500 rpm) and the temperature went down. However, the fan still roars like a jet engine and it's really disturbing. Do you know of any case fan that runs at that speed but is quiet? For some reason, the antec fan does not run above 2800 rpm (but its quiet). Do fans have max speeds? Can you give me advice on a quiet case fan that runs at high speeds (4000+ rpm). And as far as I can see, my case has a second set of holes to install a larger fan so I'm assuming those holes are for a 120 mm fan. I will go to the store and get one when I have time.

A possible option could be a noise dampening kit, you should be able to pick one up pretty inexpensively and should help do the trick for keeping the jet engine low in volume.:) http://www.coolerguys.com/840556014003.html

If the fan is just noisy in general then try the dampening material, but if it is rattling around on the case and vibrations making noise you could try: http://www.crazypc.com/Merchant2/mer..._Code=8307DK80


Liam