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You feel your MacBook laptop heating up and resetting the SMC is an effective solution. So do you know what SMC is? Right now, lassho.edu.vn will guide you how to reset SMC on MacBook, Mac in the most correct way.
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1. What is SMC? What effect?
What is SMC?
SMC stands for System Management Controller (SMC) which is a subsystem (subsystem) of the Macintosh computer (a line of personal computer products developed, designed, and marketed by Apple). based on Intel .
Effects of SMC:
- Control the temperature , energy of the system.
- Monitor the charging process of MacBook and Mac batteries .
- Manage the system to convert between videos .
- Handles graphical display with ambient light.
- Improved motion sensing capabilities.
- Show keyboard light.
- Feedback when pressing the power button.
2. Signs that your MacBook needs resetting the SMC
Backlight error, display light
- Keyboard backlighting is not displayed correctly.
- MacBook status lights are not displayed correctly.
- The non-removable battery status light on the MacBook is not working.
- The screen backlight does not display correctly when the ambient light changes.
Power failure when opening and closing laptop
- MacBook does not power on when the power button is pressed.
- MacBook does not display when opening and closing the lid.
- MacBook suddenly powers off or goes to sleep and won’t turn back on.
Some other errors
- The Mac cooling fan runs at too high a speed continuously, even though it’s not running hard, the vents are ventilated.
- The battery cannot be charged.
- The MacBook was unusually slow, even though the CPU wasn’t under heavy load.
- The machine does not accept external devices via the USB-C port.
- The device cannot be charged via the USB-C port.
3. Instructions on how to reset the most standard SMC on MacBook
Preparation before resetting SMC
- Press and hold the power button until the device turns off and then turns on again.
- Press Command + Option + Escape to close applications running in the background.
- Turn on Sleep for Mac by choosing Apple menu > Sleep , then turn it back on.
- Restart the machine by choosing Apple menu > Restart .
- Shutdown by selecting Apple menu > Shutdown , then turn it back on
MacBook with battery error:
- Unplug the Adapter from your Mac and the power outlet for a few seconds, then plug it back in.
- Shut down by choosing Apple menu > Shutdown .
- Remove and reinsert the battery if it is removable.
- Press the power button to turn the device back on .
How to reset SMC on MacBook
MacBooks with non-removable batteries:
- Shut down by choosing Apple menu > Shutdown .
- Press the Shift + Control + Option key combination and the power button at the same time, hold for about 10 seconds and then release.
- Press the power button to turn the device back on.
MacBook with removable battery:
- Power off the machine.
- Remove the battery.
- Press and hold the power button for 5 seconds.
- Reinsert the battery.
- Press the power button to turn on the device.
How to reset SMC on a desktop Mac
For iMac, Mac mini, Mac Pro, and Xserve:
- Shut down by choosing Apple menu > Shutdown .
- Unplug the machine’s power plug
- Wait 15 seconds and then plug it back in.
- Press the power button to turn on the device .
How to reset SMC on Apple T2 chip models
- Choose Apple Menu > Shutdown.
- Press and hold the power button for 10 seconds.
- Then release and wait a few seconds.
- Turn the device back on.
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