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Discussion Starter · #1 ·
I just got my PC and when I turn it on I hear constant knocking sound during operation. Is it a defect or a regular operation ?
 

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I guess it depends upon the sound, is it a sharp metallic knock.
Mine makes a loud buzz...you may want to take yours back to be on the safe side
 

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Rest in peace, Coach
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Mine didn't "knock." Sounds like a defective unit.
 

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Discussion Starter · #5 ·
in_d_haus said:
I guess it depends upon the sound, is it a sharp metallic knock.
Mine makes a loud buzz...you may want to take yours back to be on the safe side
Yes. It is a sharp metallic knock. I guess I'll have to send it back :tsk:
 

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Chewbaca is a pimp!
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Are you referring to the Griots Porter Cable buffer? Have you looked at the plam buffer which uses air? I'm trying to decide which one I want and any convincing is appreciated.
 
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