How to Reset SMC on Mac: A Comprehensive Guide
How to Reset SMC on Mac: A Comprehensive Guide

How to Reset SMC on Mac: A Comprehensive Guide

The System Management Controller (SMC) is a crucial component in your Mac that manages various hardware-related functions, including power, battery, fans, and more. Resetting the SMC can help resolve various issues related to these functions. Whether you’re experiencing unexpected shutdowns, fan noise, or battery problems, knowing how to reset SMC on Mac can save you a trip to the repair shop.

Common Reasons to Reset SMC

  • Unexpected shutdowns or restarts
  • Fan noise or overheating
  • Battery issues, such as not charging or draining quickly
  • Issues with peripherals, such as keyboards or mice

Step-by-Step Instructions for SMC Reset

MacBook with T2 Security Chip (2018 and later)

  1. Shut down your Mac.
  2. Press and hold the Shift + Control + Option keys on the left side of the keyboard, and then press and hold the Power button.
  3. Release all keys after 10 seconds.
  4. Wait a few seconds and then press the Power button to turn on your Mac.

MacBook without T2 Security Chip (2017 and earlier)

  1. Shut down your Mac.
  2. Plug in your Mac’s power adapter.
  3. Press and hold the Shift + Control + Option keys on the left side of the keyboard, and then press the Power button.
  4. Release all keys after 10 seconds.
  5. Wait 5 seconds and then press the Power button again to turn on your Mac.

Mac Desktop

  1. Shut down your Mac.
  2. Unplug the power cord.
  3. Wait 15 seconds.
  4. Plug the power cord back in and wait 5 seconds.
  5. Press the Power button to turn on your Mac.

Troubleshooting SMC Reset Issues

  • If your Mac doesn’t turn on after resetting the SMC, try resetting it again.
  • If you’re still having issues, try resetting the NVRAM (non-volatile RAM).
  • If you’re still experiencing problems, contact Apple Support.

Related Issues and Solutions

"Can’t reset SMC on Mac"

  • Ensure you’re following the correct SMC reset method for your Mac model.
  • Try resetting the NVRAM.
  • Contact Apple Support if the issue persists.

"SMC reset didn’t fix my issue"

  • Reset the SMC again, ensuring you follow the steps carefully.
  • Reset the NVRAM.
  • Try other troubleshooting steps specific to the issue you’re experiencing.
  • Contact Apple Support if the problem remains unresolved.

Conclusion

Resetting the SMC on Mac can effectively resolve various issues related to power management, battery, fans, and peripherals. By following the detailed instructions provided in this guide, you can reset the SMC efficiently and get your Mac back to optimal performance. If you encounter any difficulties or the problem persists, don’t hesitate to consult Apple Support for further assistance.

FAQ about How to Reset SMC on Mac

1. What is the SMC?

  • Answer: The SMC (System Management Controller) is a chip on Mac computers that controls various hardware functions, such as power management, battery charging, fan speed, and keyboard backlighting.

2. Why should I reset the SMC?

  • Answer: Resetting the SMC can resolve issues related to power management, battery charging, fan speed, and other hardware-related problems.

3. What are the different ways to reset the SMC?

  • Answer: There are various methods depending on the Mac model. Refer to the following steps for your specific Mac model.

4. How do I reset the SMC on an Intel-based Mac without a T2 chip?

  • Answer:
    • Shut down your Mac.
    • Hold down Shift + Control + Option and the power button for 10 seconds.
    • Release the keys and turn on your Mac.

5. How do I reset the SMC on an Intel-based Mac with a T2 chip?

  • Answer:
    • Shut down your Mac.
    • Press and hold the power button for 10 seconds.
    • Release the power button, wait 5 seconds, then press and hold the power button to turn on your Mac.

6. How do I reset the SMC on an Apple silicon Mac?

  • Answer:
    • Shut down your Mac.
    • Hold down the power button for 10 seconds.
    • Release the power button, wait 5 seconds, then press the power button to turn on your Mac.

7. What if resetting the SMC doesn’t fix my issue?

  • Answer: If the SMC reset fails to resolve the problem, you may need to contact Apple Support or an authorized service provider for further assistance.

8. Will resetting the SMC delete my data?

  • Answer: No, resetting the SMC does not affect your data. It only resets the hardware settings on your Mac.

9. Can I reset the SMC multiple times?

  • Answer: Yes, you can reset the SMC as many times as needed without any negative consequences.

10. Is it safe to reset the SMC?

  • Answer: Yes, it is safe to reset the SMC as it does not harm your Mac’s hardware or software.
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