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Apple Computing Products:
macOS - Notebook Hardware
Screen display problems with flickering horizontal lines
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<blockquote data-quote="rustyk123" data-source="post: 1089579" data-attributes="member: 99923"><p>Ok first off, I am a laptop technician. Your problem looks to be a video card issue. Nvidia admitted to faulty video cards and i know for sure you have an Nvidia. Take it to an apple store and show them it if you can't duplicate it bring in the picture and show them.</p><p></p><p></p><p>As for everyone else, here is a a breakdown of screen issues.</p><p style="margin-left: 20px"><strong>Vertical Lines</strong> - Bad LCD or LED Screen</p> <p style="margin-left: 20px"><strong>Dim Screen</strong> - Bad Inverter, Backlight, or (unlikely) Motherboard</p> <p style="margin-left: 20px"><strong>Garbage On Screen (symbols)</strong> - Bad Video Card</p> <p style="margin-left: 20px"><strong>Horizontal Lines</strong> - Bad LCD or LED Screen or Video Card</p> <p style="margin-left: 20px"><strong>White Screen</strong> - Video Cable not connected, but inverter cable is still connected</p> <p style="margin-left: 20px"><strong>Black Screen (No signal)</strong> - Video cable (Motherboard Side) not connected or (unlikely) both video and inverter cable not connected</p> <p style="margin-left: 20px"><strong>Partial Black Screen</strong> - Bad Screen or Video Card</p> <p style="margin-left: 20px"></p><p></p><p>Hope this information helps everyone.</p></blockquote><p></p>
[QUOTE="rustyk123, post: 1089579, member: 99923"] Ok first off, I am a laptop technician. Your problem looks to be a video card issue. Nvidia admitted to faulty video cards and i know for sure you have an Nvidia. Take it to an apple store and show them it if you can't duplicate it bring in the picture and show them. As for everyone else, here is a a breakdown of screen issues. [INDENT][B]Vertical Lines[/B] - Bad LCD or LED Screen [B]Dim Screen[/B] - Bad Inverter, Backlight, or (unlikely) Motherboard [B]Garbage On Screen (symbols)[/B] - Bad Video Card [B]Horizontal Lines[/B] - Bad LCD or LED Screen or Video Card [B]White Screen[/B] - Video Cable not connected, but inverter cable is still connected [B]Black Screen (No signal)[/B] - Video cable (Motherboard Side) not connected or (unlikely) both video and inverter cable not connected [B]Partial Black Screen[/B] - Bad Screen or Video Card [/INDENT] Hope this information helps everyone. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Screen display problems with flickering horizontal lines
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