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Apple Computing Products:
macOS - Desktop Hardware
Broken Display or, as I call it: Broken Glass Image
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<blockquote data-quote="cwa107" data-source="post: 1100729" data-attributes="member: 24098"><p>Graphical distortion is common when the GPU starts to overheat. My guess is you've either got a faulty fan, or as chas said, someone did a faulty repair. </p><p></p><p>My guess is the heatsink for the GPU was removed and reseated without replacing the thermal paste -- or they replaced the thermal paste, but slathered it on. Too much thermal paste will act as an insulator, instead of bridging the gap between the heatsink and the processor surface.</p><p></p><p>Was this repair shop an actual Apple Store, or a "mom and pop" type of shop?</p></blockquote><p></p>
[QUOTE="cwa107, post: 1100729, member: 24098"] Graphical distortion is common when the GPU starts to overheat. My guess is you've either got a faulty fan, or as chas said, someone did a faulty repair. My guess is the heatsink for the GPU was removed and reseated without replacing the thermal paste -- or they replaced the thermal paste, but slathered it on. Too much thermal paste will act as an insulator, instead of bridging the gap between the heatsink and the processor surface. Was this repair shop an actual Apple Store, or a "mom and pop" type of shop? [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Broken Display or, as I call it: Broken Glass Image
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