Solve : Motherboard or Hard drive Screaming before clean POST?

1.	Solve : Motherboard or Hard drive Screaming before clean POST?
Answer» it has baffled me for a while now, the motherboard is a Gigabyte GA-MA770-UD3 (not exactly fantastic, but it does it's job) but i used to get it just after i built the multimedia PC and old parts from an old Packard BELL Multimedia PC packed up one by one i used to get this: POWER On screech beep (or beep sequence) the location of the screeching is toward the front bottom of the case it's low pitched and lasts about a second in length, it's only recently it has started doing this on a clean startup, usually it was limited to errors. even for me this is confusing. the PC is about 8 months old now, i'll give specs upon request if you can help, great Do a few consecutive boots and hold each fan in place with a QTip...1 at a time... This should FIND the culprit.tried it then, it's STILL giving me crap

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