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Old Apr 5, 2012, 06:31 AM   #1
kylera
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Weird buzzing sound from the screen of a PB G4 12"

Every now and then, regardless of what I'm doing at the time, there is this weird buzzing noise, which goes away either by itself after a few seconds, or if I touch the screen. The Book is still useable, it's just a tad annoying. Does anyone have or has anyone had such a symptom?
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Old Apr 5, 2012, 09:02 AM   #2
T5BRICK
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Sounds like the display may be going out. It's been a long time since I've worked on these but I'd guess it is either the backlight or the inverter.

http://www.ifixit.com/Guide/Installi...nverter/2180/1
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Old Apr 7, 2012, 09:18 AM   #3
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Originally Posted by T5BRICK View Post
Sounds like the display may be going out. It's been a long time since I've worked on these but I'd guess it is either the backlight or the inverter.

http://www.ifixit.com/Guide/Installi...nverter/2180/1
Holy crap!!!

I feel I might have a better shot at obtaining another PB instead. Thanks for the diagnosis, though.
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Old Apr 8, 2012, 08:18 AM   #4
G51989
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The sound that your hearing, if its a buzzing/wizzing sound is probably the capicators starting to crap out, or possibly the inverter.

Exact same thing happened to a Alienware Laptop I had for a few years, screen s tarting making exactly the same sound, went out a few weeks later.
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Old Apr 8, 2012, 10:16 AM   #5
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Originally Posted by G51989 View Post
The sound that your hearing, if its a buzzing/wizzing sound is probably the capicators starting to crap out, or possibly the inverter.

Exact same thing happened to a Alienware Laptop I had for a few years, screen s tarting making exactly the same sound, went out a few weeks later.
Huh. I guess my capacitors must be going down with a fight. My Book has been buzzing for more than a year!
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Old Apr 8, 2012, 03:13 PM   #6
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99% it's inverter. It could work like that for another year
Simply wait until it will die, then replace the inverter.
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Old Apr 8, 2012, 08:57 PM   #7
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99% it's inverter. It could work like that for another year
Simply wait until it will die, then replace the inverter.
If only I had nimble fingers like most modders, I would dare try....
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