How to reset SMC on Mac

Users can solve some problems by closing all their applications and try restarting the computer. However, sometimes you will need to reset SMC. Let's see how to do this through the following article!

Occasionally, the Mac may work oddly for no apparent reason: The indicator light does not work correctly, the drive installation gets messed up, the screen resolution changes or the Mac may not be completely can boot.

Users can solve some problems by closing all their applications and try restarting the computer. However, sometimes you will need to reset SMC. Let's see how to do this through the following article!

Instructions to reset SMC on Mac

  1. What is SMC in the Mac?
  2. When should I reset the SMC?
  3. Reset SMC on MacBook
  4. Reset SMC on iMac, Mac Mini, Mac Pro

What is SMC in the Mac?

How to reset SMC on Mac Picture 1

System Management Controller or SMC (system management controller), is an Intel-based chip in a Mac. It involves running a lot of physical parts of the machine, including LEDs, keyboards and other peripherals, cooling fans and power buttons. It also plays an important role in hard drive performance.

When should I reset SMC?

SMC is responsible for many functions in the Mac. Therefore, it needs to be reset whenever you see the computer hardware is not working properly. Here are the signs that need to reset the SMC:

  1. Battery or status light works strangely
  2. The keyboard backlight does not work properly
  3. MacBook does not turn on when user opens it
  4. The power adapter's lamp does not reflect what task it is performing.
  5. The fan is running at abnormally high speeds, especially at low loads.
  6. The trackpad (trackpad) does not work.
  7. Computer cannot connect to WiFi.
  8. Target display mode turns on or off suddenly.
  9. Computer runs slowly, even when CPU load is low.
  10. Computer turned off slowly.

Resetting SMC is also one of the recommended solutions when the Mac won't boot.

There are several different ways to reset the SMC, depending on the type of Mac used. For example, a method to reset another MacBook Pro with an iMac.

Before starting, try closing all open applications and restarting the computer. This way can overcome many problems.

Reset SMC on MacBook

How to reset SMC on Mac Picture 2

To reset SMC on MacBook with Apple T2 Security Chip (models from 2018 or higher), do the following:

  1. Turn off the Mac.
  2. Press and hold the power button for 10 seconds, then restart.
  3. If this does not fix the problem, turn off the Mac again.
  4. Press and hold the right Shift key, the Options key on the left and the Control key on the left for 7 seconds.
  5. Hold these keys while pressing and holding the power button for 7 seconds.
  6. Release all the keys and wait a few seconds. Now, restart the MacBook.

To reset SMC on a MacBook with a non-removable battery (mainly before 2018), do the following:

  1. Turn off the Mac.
  2. Press and hold Shift, Control and Option on the left side of the keyboard. Now, press and hold the power button (or Touch ID button ).
  3. Hold all keys for 10 seconds.
  4. Release all keys and turn on the MacBook.

To reset SMC on the old MacBook with a removable battery (mainly before 2015), do the following:

  1. Turn off the Mac.
  2. Remove the battery.
  3. Press and hold the power button for 5 seconds.
  4. Replace the battery and turn on the MacBook.

Reset SMC on iMac, Mac Mini, Mac Pro

How to reset SMC on Mac Picture 3

To reset SMC on a Mac to a desktop with T2 Chip (such as the iMac Pro), do the following:

  1. Turn off the Mac.
  2. Hold the power button for 10 seconds.
  3. Release the power button, wait a few seconds, then restart the computer.
  4. If the problem is fixed, turn off the Mac again.
  5. Unplug the power cord.
  6. Wait 15 seconds.
  7. Re-plug the power cord and wait for 5 seconds.
  8. Turn on the Mac.

To reset SMC on an older desktop Mac (mostly before 2018), do the following:

  1. Turn off the Mac.
  2. Unplug the power cord.
  3. Wait 15 seconds.
  4. Re-plug the power cord and wait for 5 seconds.
  5. Turn on the Mac.

If your Mac is slow, don't ignore the instructions that TipsMake.com has mentioned to improve the situation.

Hope you are succesful.

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