How do you reset your Macbook Pro?

How do you reset your Macbook Pro?

Shut down your Mac, then turn it on 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 the memory and restores certain security features that may have been altered.

How do I run diagnostics on my Macbook?

Start Apple Diagnostics

1. Turn on your Mac and continue to press and hold the power button as your Mac starts up.
2. Release when you see the startup options window, which includes a gear icon labeled Options.
3. Press Command (⌘)-D on your keyboard.

How do I reset the SMC on my Macbook Pro?

How to reset the SMC on Mac notebooks:

1. Choose Apple menu > Shut Down and wait for your Mac to shut down.
2. Press Shift-Control-Option on the left side of the built-in keyboard, then press the power button at the same time.
3. Release all keys.
4. Press the power button again to turn on your Mac.

How do I turn off firmware password on Mac?

How to turn off a firmware password

1. Start up from macOS Recovery.
2. When the utilities window appears, click Utilities in the menu bar, then choose Startup Security Utility or Firmware Password Utility.
3. Click Turn Off Firmware Password.
4. Enter the firmware password again when prompted.

How do I run diagnostics on my MacBook Pro 2012?

Using Apple Hardware Test on computers with OS X 10.7 or later

1. Press the power button to turn on your computer.
2. Press and hold the D key before the gray startup screen appears.
3. It takes a minute or so for AHT to start up and inspect your hardware configuration.

How do you diagnose hardware problems on a Mac?

How to Use Apple Diagnostics to Check for Mac Hardware Problems

1. Press the power button on your Mac and then immediately press and hold down the D key on the keyboard. (
2. Release the D key when the prompt appears on the screen asking you to choose your language using the arrow keys.
3. Join a local Wi-Fi network if prompted.

What is the SMC on a MacBook Pro?

SMC stands for system management controller, and it’s a chip on any Intel-based MacBook that acts as lynchpin for running smaller hardware processes, such as those needed to use keyboards, fans, and LED indicators.

How do I reset my SMC and PRAM?

Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. You can release the keys after about 20 seconds, during which your Mac might appear to restart.

What is a Mac firmware password?

A firmware password prevents users who don’t have the password from starting up from any internal or external storage device other than the startup disk you’ve selected. It also blocks the ability to use most startup key combinations.