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CPU Fan Problem

P

Parimal

Member
Just now I have built a Athlon 64 system for one of my friend. The config goes like this-
1. AMD Athlon 64 2800+ CPU (754 socket)
2. Asus K8N mobo (nForce 3 250 chipset)
3. Kingston 1GB DDR 400 (2x512MB)
4. Seagate Barracuda 120GB SATA
5. PowerColor 256MB Radeon 9550
6. Sony CD Burner
7. Sony 1.44MB FDD
8. Samsung 793MB 17" flat CRT
9. Logitech Internet Pro desktop
10.Creative Inspire 2500 2.1 spks
11.Cabinet with 300Watts PSU

Now the problem is that when I switch on the system CPU fan rotates at max speed (5900rpm) and temp of CPU remains at 45 degrees. The total system is becoming very noisy. I tried many ways.....like I enabled AMD Cool n Quite in BIOS.......but when I enabled ASUS's Q-Fan in BIOS the fan speed starts at 3500rpm and things becomes tolerable. But after 5-10 mins fan starts revolving at 5,900rpm. What could be the problem?? There is no major heat increase also......it's just normal...!!

I've used 24 pin PSU of 300Watts in this machine. While on Asus K8N there are only 20 pins. Is this wrong?? What could be the problem....please help...!!!
 
You might want to remount the CPU HSF with properly-applied thermal grease and see if the situation improves. If the CPU fan is speeding up after a while, it's a sign that heat is not being dissipated fast enough to keep the fan RPMs low, which can be caused by bad HSF mounting.

If that doesn't solve your noise problem, maybe it's time to buy a new CPU HSF like a Zalman CNPS7000AlCu.

I also see many other noise sources in your computer-- Stock vid card fan, motherboard NB fan, PSU, and case fans. They all can be replaced by quieter components.

HTH.
 
Originally posted by: wisdomtooth
You might want to remount the CPU HSF with properly-applied thermal grease and see if the situation improves. If the CPU fan is speeding up after a while, it's a sign that heat is not being dissipated fast enough to keep the fan RPMs low, which can be caused by bad HSF mounting.

If that doesn't solve your noise problem, maybe it's time to buy a new CPU HSF like a Zalman CNPS7000AlCu.

I also see many other noise sources in your computer-- Stock vid card fan, motherboard NB fan, PSU, and case fans. They all can be replaced by quieter components.

HTH.
Click to expand...

The Zalman CNPS7000B-AlCU is available over here at newegg if you should decide to go that route. 🙂

 
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