How do you reset the SMC on a 2009 MacBook?
MacBook 2009 through 2017
- 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.
- Press the power button to turn on the computer.
How do I factory reset my MacBook unibody?
To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it! Your Mac’s NVRAM has been reset.
How do I reset the power manager on my Macbook Pro?
Here’s how to reset the SMC on notebooks with non-removable batteries:
- Shut down your Mac.
- Press and hold Shift, Control, and Option on the left side of the keyboard. At the same time, press the power button.
- Hold for 10 seconds.
- Release the keys and then turn on your Mac.
How do I reset PRAM and SMC on Macbook Pro?
How to Reset the PRAM or NVRAM on a Mac
- Shut down your Mac.
- Press the power button.
- Before the grey screen appears, press the Cmd, Option, P, and R keys at the same time.
- Hold the keys until your computer restarts and you hear the startup sound a second time.
- Release the keys.
How do I reset my macbook pro PRAM and SMC?
Press the power button to turn on your Mac. Immediately press and hold the Option, Command, P, and R keys on your keyboard. You need to press this key combination before the gray screen appears or it won’t work. Hold down these keys for 20 seconds, during which time your Mac will appear to restart.
Does Macbook Pro Reset SMC?
Here’s how to reset the SMC on notebooks with non-removable batteries: Shut down your Mac. Press and hold Shift, Control, and Option on the left side of the keyboard. At the same time, press the power button.
How do I reset my SMC Macbook Pro?
How to reset the SMC on Mac notebooks:
- Choose Apple menu > Shut Down and wait for your Mac to shut down.
- Press Shift-Control-Option on the left side of the built-in keyboard, then press the power button at the same time.
- Release all keys.
- Press the power button again to turn on your Mac.
How do you reset an old MacBook?
Turn on your Mac and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.
How do I reset the SMC on a MacBook Pro?
If you have a MacBook without a removable battery, you can reset the SMC by turning on your computer while holding a specific keyboard shortcut. Here’s what to do. Unplug the power, then shut down your Mac. Hold the left Shift+Control+Option keys down, then press and hold the power button down.
How do I reset my MacBook Pro to factory settings?
1 Unplug the power, then shut down your Mac. 2 Hold the left Shift+Control+Option keys down, then press and hold the power button down. Keep all four buttons pressed… 3 Plug the power cable back in, then turn on your Mac. More
How to reset an older Mac laptop with removable batteries?
Resetting SMC on an Older Mac Laptop With Removable Batteries. 1 Shut down your Mac. 2 Remove the battery. 3 Press and hold the power button for five seconds, then re-connect both the battery and the power. Turn on your Mac.
Where is the SMC button on a Mac Pro?
Just below the Drive 4 sled and adjacent to the top PCI-e slot is a small button labeled SMC. Press and hold this button for 10 seconds. Close the Mac Pro’s side door.