Loud Buzzing Noise When Turning On Computer, 1 year old PSU suspected

Had PSU for about a year. It's a Silverstone strider 560 Watt http://www.newegg.ca/Product/Product.aspx?Item=N82E16817163112.

Everytime I turn on my computer it makes a very loud and noticeable sound, which slowly dissapates.

My Rig: -AsRock 939 Dual-SATA Motherboard
-AMD64 3200+ Oreleans CPU
-1GB Generic RAM
-ASUS 1950 Pro 256MB Video Card
-Creative Soundblaster Audigy SE Sound Card
-Maxtor 250 GB Hard Drive

The possible fans that can create this noise are:
-The standard CPU fan
-The Standard video card fan
-A large front fan that came with my generic case
-A 80mm fan on the back of my case
-The 120mm fan in my PSU

The sound seems to be stonger in the back, although it could be just me.

The reason I suspect it's the PSU is because I had a similar case with an older computer a while back. I still had the warranty at my local store so a had it replaced, and the noise dissapeared.

Currently have the same sound, although milder, on an old Dell Computer.

I'm just doubting myself as I thought Silverstone is a good quality company.

Could this be the PSU?
If not, what else could act the same way?
Just bestranged that the sound goes away after awhile.
Never returned a defective product using a warranty before. Advice?

Thanks in advance!
4 answers Last reply
More about loud buzzing noise turning computer year suspected
  1. You need to isolate the noise by unplugging the fans. Some folks use a mild oil or other lubricant to quiet noisy units. I also use "perfect duster" a canned air product with solvent to clean fans.
  2. usually the source is a cheap case fan - as suggested narrow it down and find the source
  3. Will unluging the CPU fan at start up or video card fan do anything? Not stock cooler of course. Just wanna be extra sure.
  4. I_Like_Computers said:
    Will unluging the CPU fan at start up or video card fan do anything? Not stock cooler of course. Just wanna be extra sure.


    put your finger on the fans to stop them and see - even like two minutes wont matter
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