Before resetting the SMC, try these steps: Shut down your Mac. Press and hold the power button for 10 seconds, then release the button. Wait a few seconds, then press the power button to turn on your Mac. If the issue persists, follow these steps to reset the SMC: Shut down your Mac. On your built-in keyboard, press and hold all of the. The System Management Controller (SMC) controls several Mac core functions. The SMC is hardware that is incorporated into the Mac's motherboard. Its purpose is to free the Mac's processor from having to take care of rudimentary hardware functions. With many core tasks performed by the SMC, resetting the SMC to its default state can fix problems. Easily reset SMC on Mac. There are various ways to complete a Mac reset SMC, depending on the Mac model you have. As SMC reset on MacBook Pros with a removable battery is the easiest, let’s begin from there: Power down your MacBook. Remove the battery. Press the power button and hold it for five seconds. Reconnect the battery and turn on your. Before an SMC Reset 1. Force Quit all apps (Option-Command-Escape). Restart your Mac (Control-Command-Power). Force Shut Down your Mac (press the power button for 10 seconds). Resetting the SMC can resolve some computer issues such as not starting up, not displaying video, sleep issues, fan noise issues, and so forth.
Reset Pram Macbook Command Line
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
Note: Before resetting PRAM or the SMC, back up your important documents or your whole system on an external drive. Step 1: Turn off your Mac. No need to remove the battery or detaching the power.
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.
Smc Macbook
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.
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.
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.
Step 2: Unplug the iMac’s power cord.
Step 3: Wait for at least 15-20 seconds.
Step 4: Attach the iMac’s power cord.
Step 5: Wait five seconds, then press power button to turn on iMac.