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Windows 7: Loud buzz on startup before windows loads

10 Oct 2012   #1

win7 home premium 64 bit
Loud buzz on startup before windows loads

Occasionally when I start up my computer, before the bios beep plays and before the computer is displaying anything on the monitor, I hear a loud, solid buzzing noise that occurs for around 2 seconds, pauses for a short period and then another 2 second buzz. It is always twice, but does not always occur on startup. My computer logs no disk errors, all the fans seem to be running correctly, and this problem does not occur at any point when the computer is running. Is this a problem that is worth further looking into or is it something that I can safely ignore?

The buzzing does not appear to be coming from the front of my case, where my disk drive, CD drive, and GPU are located. It only happens the first time I boot up my computer for the day (I boot several times a day, at least twice), so it may have to do with time between boots. My computer has been idling at about 38 Celsius, and I have only noticed this problem as the weather has gotten colder in my location.

My System SpecsSystem Spec
12 Oct 2012   #2

win7 home premium 64 bit

I figured it out, my cpu seems to be off balance. I will clean it or if that does not work replace it
My System SpecsSystem Spec

 Loud buzz on startup before windows loads

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