Contents
How do I fix my SMC problem?
Resetting the System Management Controller (SMC)
- Shut down the computer.
- Disconnect the MagSafe power adapter from the computer, if it’s connected.
- Remove the battery.
- Press and hold the power button for 5 seconds.
- Release the power button.
- Reconnect the battery and MagSafe power adapter.
How do I reset the SMC on my computer?
To reset the SMC:
- Shut down the computer.
- Plug in the MagSafe or USB-C power adapter to a power source and to your computer.
- On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
- Release all the keys and the power button at the same time.
What can cause the SMC to repeatedly need to be reset?
It could be as simple as some sensors that are bad and reporting continuous bad readings that the SMC can’t handle. It also could be the SMC itself has issues. Without analyzing the logic signals of that processor – hard to guess.
How do you reset the SMC on a MacBook Air?
Hold the left Shift+Control+Option keys down, then press and hold the power button down. Keep all four buttons pressed down for ten seconds, then let go. Plug the power cable back in, then turn on your Mac. The SMC is now reset. If you have an older MacBook with a removable battery, the keyboard shortcut outlined above will not work.
Can You recover data from a failed SMC?
Be sure to keep good backups, SMC and logic board failures generally leave the system unbootable so it costs more to recover data after it fails. On T2 Macs, you can’t get data off a failed SMC/T2 module as the decryption keys are exclusively stored there in a Secure Enclave.
Is the SMC on a MacBook Pro removable?
Any Mac laptop made since 2009 doesn’t have a removable battery, meaning you’ll need a keyboard shortcut to get the job done. Mac desktops, meanwhile, basically just need to be unplugged. We’ll discuss all your options. What Does the SMC Actually Do? Some functionality of your Mac works regardless of whether it’s turned on.