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What should I do

Last response: in Components
July 4, 2012 1:53:01 AM

Hello,Ihave lost power to my moniter and my pu emits a high pitced sund for abour 10 seconds, then stops and then it does it for 10 seconds , stope and so on and so on.

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July 4, 2012 2:42:07 AM

Could be a fan bearing failing, or something in the power supply. I would remove the case cover and listen to try and isolate the source of the noise.