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Apple Computing Products:
macOS - Notebook Hardware
Strange hardware behavior
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<blockquote data-quote="chscag" data-source="post: 1869717" data-attributes="member: 46727"><p>I don't know Jake, I'm beginning to think some of our members are haunted. Mysterious shut downs, startups, turn ons. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite29" alt=":devilish:" title="Devil :devilish:" loading="lazy" data-shortname=":devilish:" /></p><p></p><p>Are you using an UPS? I've seen something similar happen during a power glitch which we get around here during severe thunderstorms. However, even then it just rebooted the machine rather than return everything the way it was.</p><p></p><p>The described battery behavior definitely is not normal and has me wondering if the power logic in your machine is acting up. I know you stated that you reset the SMC which normally cures any temporary bumps.</p><p></p><p>Your MacBook Pro is going on 5 years old which may or may not be a consideration, but something to keep in mind.</p><p></p><p>I'm not running Big Sur but like Lisa stated above it could be an underlying cause for the strange power behavior. I can't imagine Apple not thoroughly testing Big Sur with a variety of Intel machines as well as the new M1 line.</p><p></p><p>Keep us updated.</p></blockquote><p></p>
[QUOTE="chscag, post: 1869717, member: 46727"] I don't know Jake, I'm beginning to think some of our members are haunted. Mysterious shut downs, startups, turn ons. :devilish: Are you using an UPS? I've seen something similar happen during a power glitch which we get around here during severe thunderstorms. However, even then it just rebooted the machine rather than return everything the way it was. The described battery behavior definitely is not normal and has me wondering if the power logic in your machine is acting up. I know you stated that you reset the SMC which normally cures any temporary bumps. Your MacBook Pro is going on 5 years old which may or may not be a consideration, but something to keep in mind. I'm not running Big Sur but like Lisa stated above it could be an underlying cause for the strange power behavior. I can't imagine Apple not thoroughly testing Big Sur with a variety of Intel machines as well as the new M1 line. Keep us updated. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Strange hardware behavior
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