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Why is my Mac losing power while sleeping?
One possible reason for your MacBook battery draining while it sleeps is processes running in the background you know nothing about. These are often initiated by login items. Login items are applications that get automatically opened when you log in. They can consume a lot of CPU resources and Mac energy.
Why is my MacBook shutting down when not plugged in?
A common cause of this problem is due to leaving your computer plugged in a lot of the time. This can cause the System Management Controller (SMC) to believe the power level is below a set threshold resulting in it triggering the computer to go into deep sleep mode and shutting off when unplugged.
What does sleep do on a MacBook Air?
Checks for email, calendar, and other iCloud updates while sleeping on battery power. Allows you to press the power button to put your computer to sleep. Keeps the computer from going to sleep when the display sleeps.
Why does my MacBook Air turn off when there is no power?
The key here is that under “Amperage” we get a “0” which means there is literally no current coming from the battery (Note: even though it may have voltage, if there are no amps, it won’t have the “power” to supply). If we unplug the power adapter, the battery has nothing to supply so the computer shuts off.
How does Energy Saver work on a MacBook Air?
Click either the Power Adapter pane or the UPS pane, then select energy-saving options for that power source. Your Mac uses those options when it’s getting power from that source. You see the UPS button only if your Mac is connected to an uninterruptible power source.
What do you do when your MacBook Air shuts down?
Disconnect the MagSafe power adapter from the computer, if it’s connected. Press the power button to turn on the computer. Was this answer helpful? How do you discharge the battery if your laptop shuts down whenever it’s unplugged?