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Apple Computing Products:
macOS - Notebook Hardware
Display issues
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<blockquote data-quote="cwa107" data-source="post: 1170412" data-attributes="member: 24098"><p>In my opinion, it's almost certainly the inverter. Only one other part would cause that kind of a problem (assuming the system board is in good shape), and that would be the LCD flex cable that leads from the system board to the display. But that's pretty rare as well.</p><p></p><p>I've replaced dozens of these in my time, on just about every make of computer out there, and I've only ever misdiagnosed it once - and that was on an Alienware machine. That particular model actually had a known issue with the systemboard that tripped up a lot of techs like me. Unfortunately, I didn't catch it until I had replaced the inverter, CCFL tube and eventually the entire display (which ended up being at my own cost, since I couldn't justify charging the customer for my own failed diagnosis). Ah well, live and learn...</p><p></p><p>Fortunately in your case, this seems like a pretty cut and dry situation - and I think I've read a post or two here about failed inverters on that particular model. So, it wouldn't be like it's unprecedented.</p></blockquote><p></p>
[QUOTE="cwa107, post: 1170412, member: 24098"] In my opinion, it's almost certainly the inverter. Only one other part would cause that kind of a problem (assuming the system board is in good shape), and that would be the LCD flex cable that leads from the system board to the display. But that's pretty rare as well. I've replaced dozens of these in my time, on just about every make of computer out there, and I've only ever misdiagnosed it once - and that was on an Alienware machine. That particular model actually had a known issue with the systemboard that tripped up a lot of techs like me. Unfortunately, I didn't catch it until I had replaced the inverter, CCFL tube and eventually the entire display (which ended up being at my own cost, since I couldn't justify charging the customer for my own failed diagnosis). Ah well, live and learn... Fortunately in your case, this seems like a pretty cut and dry situation - and I think I've read a post or two here about failed inverters on that particular model. So, it wouldn't be like it's unprecedented. [/QUOTE]
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Display issues
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