Shut down the computer. Unplug the computer's power cord from both the wall and computer. Wait 15 seconds. Attach the computers power cable. Wait another 5 seconds and press the power button to turn on the computer. Shut down the computer. Locate the following keys on the keyboard: Command, Option, P, and R.
If your Mac is experiencing any issue such as not starting up, not displaying video, sleep issues, fan noise issues, keyboard light or battery indicator is not working correctly, resetting System Management Controller (SMC) may resolve it. Follow below steps to reset SMC on MacOS:
Prior SMC Reset
Reset SMC on Mac with removable battery MacBook Air, MacBook Pro, MacBook Resetting SMC on iMac. If you want to reset SMC on your iMac then follow the steps given below. Shut down your Mac. Unplug the power adapter. Wait for 15 seconds. Plug in the power cord. Press the power button to start your Mac. Now that you have reset the SMC on your. Step 4: Power on your Mac. When It’s OK To Reset PRAM and SMC. Don’t think of this process as routine maintenance like cleaning up your browser cache. You should only do this when there’s a. If your Apple laptop does not have a user-removable battery, reset the SMC with these steps: Shut down the laptop from the Apple menu (Apple icon - Shut Down).Once your laptop has completely shut down, hold the Shift, Control, and Option keys on the left side of the built-in keyboard, then press the power button at the same time.
Step 1: Force Quit all apps (Option + Command + Escape).
Step 2: Restart Mac (Control + Command + Power).
Step 3: Force Shut Down Mac (press power button for 10 seconds).
Reset SMC for Mac with removable battery
Step 1: Shut down Mac.
Step 2: Disconnect the MagSafe adapter if it’s connected.
Step 3: Remove the battery.
Step 4: Press and hold the power button for 5 seconds.
Step 5: Reinstall the battery and reconnect the MagSafe adapter.
Step 6: Press the power button to turn on Mac.
Mac Reset Nvram
Reset SMC for Mac with non-removable battery
Step 1: Shut down Mac.
Step 2: Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
Step 3: Press the (left side) Shift + Control + Option keys and power button at the same time for 10 seconds.
Step 4: Release all the keys at the same time.
Step 5: Press power button to turn on the Mac.
Smc Reset 2012 Macbook Pro
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.
Reset SMC for iMac
Step 1: Shut down iMac.
Macbook Pro Reset Pram And Smc
Step 2: Unplug the iMac’s power cord.
Smc Reset For Macbook Air
Step 3: Wait for at least 15-20 seconds.
Smc Reset For Macbook Pro
Step 4: Attach the iMac’s power cord.
Smc Reset For Macbook
Step 5: Wait five seconds, then press power button to turn on iMac.