How to get itunes on macos big sur3/26/2023 Wait for a couple of minutes and charge your Mac till the battery gets a full charge (i.e. To recalibrate your battery, use your Mac till the battery discharges completely and shut down. A system update can mess with your Mac’s calibration routine and cause the battery to drain faster than it’s supposed to. MacBooks undergo a calibration process that helps to estimate how long your battery would last on its current charge level. Try some of the methods below to fix the problem. If the battery drainage persists beyond this period, there’s probably a problem with your Mac’s battery calibration. The issue should resolve itself in about 2-5 days and battery usage should return to normal. These processes consume a lot of power but they only last a couple of days. That’s because several processes run in the background to acclimate your Mac to the new operating system. We also found a couple of users experiencing random battery discharge when their Mac is powered off or in sleep mode.īefore we list some solutions to these problems, you should note that sometimes, battery drainage is normal after a software update. Several Mac users reported significant battery drainage after upgrading to macOS Big Sur.
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