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Apple Computing Products:
macOS - Operating System
Strange problem...very strange
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<blockquote data-quote="ToddG" data-source="post: 289491" data-attributes="member: 23228"><p>I had a similar problem with a Dell notebook (PC). The video card memory went bad. With the Dell, I was able to access a pre-boot diagnostic routine; in the process of running the diagnostic the problem <em>temporarily</em> fixed itself. A couple months later it happened again and nothing would fix it. I bought a new notebook (HP), then for some reasons six months later started up the Dell again and ... ta-da ... it's working fine. </p><p></p><p>I don't know what if any comparable capability OS X has to that pre-boot diagnostic. But if you're really lucky it might pop back to life on its own. I'd get the video card replaced soon even if it does, though.</p></blockquote><p></p>
[QUOTE="ToddG, post: 289491, member: 23228"] I had a similar problem with a Dell notebook (PC). The video card memory went bad. With the Dell, I was able to access a pre-boot diagnostic routine; in the process of running the diagnostic the problem [i]temporarily[/i] fixed itself. A couple months later it happened again and nothing would fix it. I bought a new notebook (HP), then for some reasons six months later started up the Dell again and ... ta-da ... it's working fine. I don't know what if any comparable capability OS X has to that pre-boot diagnostic. But if you're really lucky it might pop back to life on its own. I'd get the video card replaced soon even if it does, though. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Strange problem...very strange
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