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Apple Computing Products:
macOS - Notebook Hardware
Macbook 3 Bars of Grey on LCD but External Monitor Fine
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<blockquote data-quote="chscag" data-source="post: 1426826" data-attributes="member: 46727"><p>I fully understand what you're saying. I don't know what Apple could have done when they checked your machine to cause that to happen. The symptoms you describe are indicative of moisture or damage to the LCD panel. What points to the LCD panel being at fault is the fact that the external monitor works OK. If it were a logic board or GPU failure, it would show up on the external monitor.</p><p></p><p>I would go back to Apple and speak with a supervisor. Explain to him or her that the LCD panel was working fine with no visible defect until they (Apple) disassembled it and returned it to you. Be polite but persistent. At the very least if they caused the problem, they should replace the LCD panel for free.</p></blockquote><p></p>
[QUOTE="chscag, post: 1426826, member: 46727"] I fully understand what you're saying. I don't know what Apple could have done when they checked your machine to cause that to happen. The symptoms you describe are indicative of moisture or damage to the LCD panel. What points to the LCD panel being at fault is the fact that the external monitor works OK. If it were a logic board or GPU failure, it would show up on the external monitor. I would go back to Apple and speak with a supervisor. Explain to him or her that the LCD panel was working fine with no visible defect until they (Apple) disassembled it and returned it to you. Be polite but persistent. At the very least if they caused the problem, they should replace the LCD panel for free. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Macbook 3 Bars of Grey on LCD but External Monitor Fine
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