Computer now makes an annoying sound after overclock attempt

Hello all,

I have just tried to overclock my computer. Specs:

MoBo : GA-EP45-UD3P

CPU : Q6600 @ 3.0 GHz
FSB : 333
Multiplier : x9
Vcore : 1.26v

RAM : OCZ 4GB (2x2GB) DDR"2 PC2 - 8500C5 1066MHz

FSB : DRAM = 5:8

Timings : 5-5-5-15 @ 2.1v

However, now it sometimes fails on boot and there is this annoying humming sound that is so loud it even drowns out the sound of my case fans. Seeing as I have an Antec 900 case, you can imagine that this hum is pretty loud. Does anyone know a reason for this. I was thinking that it might have something to do with the power supply? This might also explain why it fails on boot!
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  1. Can you identify the source of the hum? You listed everything but the PSU.
  2. My power supply is a OCZ GameXStream but I cant remember whether it is 600w or 700w :s I think it is 600w

    Its hard to identify the source of the hum, but I think it is coming from my primary HDD. I have heard that a stethoscope is a good way of isolating noise?
  3. A screwdriver blade on the hard disk case and your ear against the end of the handle is another way to quickly identify if it's the source of the hum.
  4. Yep tried that and the humming I can hear from the screwdriver is the same as the one I can generally hear. The same pitch and stuff.

    So any ideas that could have happened to it? Im not sure it was me overclocking that had anything to do with it, might just be on its way out?
  5. Overclocking didn't cause the issue with your hard disk. To be 100% sure, you can disconnect power from it. Save your data while it still works and RMA the disk if it's under warranty.
  6. Problem solved!! Was not the HDD, was my case fan, just disconnected it for now, getting a new case soon :)
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