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Apple Computing Products:
macOS - Notebook Hardware
MacBook Pro runs very slow when unplugged
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<blockquote data-quote="chscag" data-source="post: 1373778" data-attributes="member: 46727"><p>It sounds like the machine is being throttled back because it can't "sense" that it's on battery. In other words, the machine thinks the battery is removed. It could also be other causes. Try resetting the System Management Controller first. See this Apple KB <a href="http://support.apple.com/kb/HT3964" target="_blank">LINK</a>. If that doesn't work, make an appointment with your local Apple store to have it looked at.</p></blockquote><p></p>
[QUOTE="chscag, post: 1373778, member: 46727"] It sounds like the machine is being throttled back because it can't "sense" that it's on battery. In other words, the machine thinks the battery is removed. It could also be other causes. Try resetting the System Management Controller first. See this Apple KB [URL="http://support.apple.com/kb/HT3964"]LINK[/URL]. If that doesn't work, make an appointment with your local Apple store to have it looked at. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
MacBook Pro runs very slow when unplugged
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