odd buzz noise coming from screen

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Feb 22, 2007
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im not sure what causes this but when i turn down the screen brightness i hear a buzzing nise. it is not very loud but you can definetaly hear it when there is no music playing. it goes away when i turn up the brightness and comes back when i turn it down. what could be causing this? the display works fine and i have had no problems with it. could it be dying a slow death?
 
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Your Mac's Specs
See Sig...
Could be the inverter for the backlight... that'd be my #1 suspect. In which case it may either blow up tomorrow or continue to operate for the rest of the usable life of the machine, it's hard to say.
 

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