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All replies
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Helpful answers
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Nov 9, 2015 3:56 PM in response to darrin85by Carolyn Samit,Reset the SMC > Intel-based Macs: Resetting the System Management Controller (SMC)
If that doesn't help, it might be time for a new battery.
Check the maximum cycle count > Determining battery cycle count for Mac notebooks
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Nov 9, 2015 3:55 PM in response to darrin85by Barry Hemphill,Assuming the SMC reset does not help, I suggest you take it in (soon) to an Apple store for diagnosis.
Barry
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Nov 9, 2015 7:43 PM in response to darrin85by Linc Davis,Launch the built-in Activity Monitor application and select the Energy tab. Select
View ▹ All Processes
from the menu bar, if it's not already selected. Also select
View ▹ Columns ▹ Power Assertion
Click the heading of the Preventing Sleep column to sort the process table. Which processes, if any, show Yes in that column?