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Apple Computing Products:
macOS - Notebook Hardware
Kernel Panics & Slow Startup
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<blockquote data-quote="chscag" data-source="post: 1525928" data-attributes="member: 46727"><p>Well, I think we can put the hard drive to bed. It appears to be healthy. But what concerns me is the fact you're not getting the POST sound on boot up. Unless you have it turned off somehow (yes you can turn it off), that's not a normal start up. And getting into Safe mode without using the shift key would require a normal boot first.</p><p></p><p>I'm beginning to think you have a flaky logic board or at least intermittent. I'm hoping our other long time Mac folks here in the forums can chime in on this. Let's keep this thread open to see if anyone else has any ideas of what's going on. If the thread gets a bit old (several days or so) without a response, just post to it with a reply and type in "bump". That will bring it back to the top for view.</p></blockquote><p></p>
[QUOTE="chscag, post: 1525928, member: 46727"] Well, I think we can put the hard drive to bed. It appears to be healthy. But what concerns me is the fact you're not getting the POST sound on boot up. Unless you have it turned off somehow (yes you can turn it off), that's not a normal start up. And getting into Safe mode without using the shift key would require a normal boot first. I'm beginning to think you have a flaky logic board or at least intermittent. I'm hoping our other long time Mac folks here in the forums can chime in on this. Let's keep this thread open to see if anyone else has any ideas of what's going on. If the thread gets a bit old (several days or so) without a response, just post to it with a reply and type in "bump". That will bring it back to the top for view. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Kernel Panics & Slow Startup
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