[born4cntry]

Shortly after booting up my system.....the "normal" hum from my computer gets very loud. It almost sounds like it is coming from my fan but I had that checked out and it is fine. It does not seem to interfere with normal operations however, it is very annoying.
Any suggestions???
Thanks:

 

[Jason]

Have you check the power supply fan. You can try buying a can of compress air and blowing out the fans and any dust.