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All replies
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Helpful answers
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Jul 1, 2015 9:31 PM in response to Ronnie062003by spudnuty,You could try an SMC reset:
Reset SMC
http://support.apple.com/en-us/HT201295
If that doesn't work:
Try a hard reset. Disconnect the battery (open the bottom and pull the connector off. Use your fingernails.) and power adapter. Press the power button for 1 minute. Let the computer sit for 5 minutes, Reconnect and try to start up.
No? - Go through the same procedure and try to start without the battery connected.
The addendum to this would be to try a known good battery.
This would be for a "no start" scenario but basically it's the SMC reset w/ a battery you can remove.
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Jul 1, 2015 9:35 PM in response to spudnutyby Ronnie062003,No luck! I've tried it. Thank you for the advice!
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Jul 1, 2015 11:12 PM in response to Ronnie062003by spudnuty,So the hard restart too?
Try without the battery connected? What does the battery LED bar say?
60 Watt OEM power adapter? Try without it connected.
Seems like a 1 wire circuit problem.
Read this?
If your Mac won't turn on - Apple Support
Could also be a MagSafe problem: