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Apple Computing Products:
macOS - Notebook Hardware
Problem during shut down
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<blockquote data-quote="MAC-simus" data-source="post: 297407" data-attributes="member: 2338"><p>try to reset PMU (power management unit)</p><p></p><p>1. shut down (somehow<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />) </p><p>2. disconnect charger</p><p>3. remove battery</p><p>4. hold dawn power button for 5-7 seconds</p><p>5. insert battery</p><p>6. plug in the charger</p><p>7. push the power button to start up</p></blockquote><p></p>
[QUOTE="MAC-simus, post: 297407, member: 2338"] try to reset PMU (power management unit) 1. shut down (somehow:)) 2. disconnect charger 3. remove battery 4. hold dawn power button for 5-7 seconds 5. insert battery 6. plug in the charger 7. push the power button to start up [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Problem during shut down
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