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Apple Computing Products:
macOS - Notebook Hardware
MacBook Logic Board Failure?
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<blockquote data-quote="chscag" data-source="post: 1361710" data-attributes="member: 46727"><p>It may be the logic board but it sounds like it could be the backlight itself that is failing or is intermittent. Since the inverter was replaced (it supplies AC power to the backlight) that leaves the backlight. The backlight on that model is actually a tube (CCFL) light and is enclosed within the LCD assembly. Apple will not replace the backlight but instead the entire LCD assembly.</p><p></p><p>However, if it is something on the logic board that's defective you would be wasting your money on a new LCD. Your MacBook is worth at most around $350 which means you certainly don't want to put a lot of $$ into any repair.</p></blockquote><p></p>
[QUOTE="chscag, post: 1361710, member: 46727"] It may be the logic board but it sounds like it could be the backlight itself that is failing or is intermittent. Since the inverter was replaced (it supplies AC power to the backlight) that leaves the backlight. The backlight on that model is actually a tube (CCFL) light and is enclosed within the LCD assembly. Apple will not replace the backlight but instead the entire LCD assembly. However, if it is something on the logic board that's defective you would be wasting your money on a new LCD. Your MacBook is worth at most around $350 which means you certainly don't want to put a lot of $$ into any repair. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
MacBook Logic Board Failure?
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