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Apple Computing Products:
macOS - Notebook Hardware
MacBook pro wont start !
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<blockquote data-quote="mp04" data-source="post: 1090541" data-attributes="member: 100521"><p>Try this...</p><p>hold down the power button for 20 seconds, after that remove the battery, make sure the power cord IS NOT plugged in, and hold down the power button for 5 more seconds. at which point plug in JUST the power adapter, no battery, and hold down the power button another 5 seconds and then let go, and push the power one more time, like you normally do to turn on your computer, and see what it does.</p><p></p><p>if it does, go all the way to the desktop (login etc) shut down you MB and then insert the battery back in and restart.</p><p></p><p>also can you explain how you reset PRAM if the computer does not turn on at all, or what did it do when you where resetting the pram, or after you reset it. haha. just trying to understand how you reset it, if it does not turn on.</p><p></p><p>thanks!</p></blockquote><p></p>
[QUOTE="mp04, post: 1090541, member: 100521"] Try this... hold down the power button for 20 seconds, after that remove the battery, make sure the power cord IS NOT plugged in, and hold down the power button for 5 more seconds. at which point plug in JUST the power adapter, no battery, and hold down the power button another 5 seconds and then let go, and push the power one more time, like you normally do to turn on your computer, and see what it does. if it does, go all the way to the desktop (login etc) shut down you MB and then insert the battery back in and restart. also can you explain how you reset PRAM if the computer does not turn on at all, or what did it do when you where resetting the pram, or after you reset it. haha. just trying to understand how you reset it, if it does not turn on. thanks! [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
MacBook pro wont start !
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