How to Start Your Macbook Pro in Diagnostic Mode?

Starting a MacBook Pro in Terminal Mode

To start your MacBook Pro in Terminal mode, you will need to first shut it down. Once the computer is completely powered off, press and hold the Command (?) and R keys on your keyboard. Keep the keys pressed until you see the Apple logo appear on your screen. This will boot your computer into Recovery Mode.

Once in Recovery Mode, select “Terminal” from the top menu bar to open a command line interface window. You can now type in commands to control different aspects of your Mac, such as formatting drives or installing software packages.

Source: appleinsider.com

Diagnosing a Mac that Will Not Turn On

If your Mac won’t turn on, you can run a diagnostic test by restarting your Mac while holding down Option+D. This will start an internet-based hardware test that will check the hardware components of your Mac to see if there are any issues. The test will run through a series of tests and report any issues it finds. If no problems are found, you should be able to continue using your Mac normally.

Factory Resetting a MacBook Pro That Won’t Boot

If your MacBook Pro won’t boot, you can try a factory reset. To do this, start by shutting down the MacBook and unplugging the power cable. Then, press and hold the Shift + Ctrl + Option/Alt keys and press the power button at the same time. Keep holding these keys until you hear a start-up chime or see an Apple logo on your screen. Once you do, release all the keys and the power button at the same time. Your MacBook Pro will then boot up into Recovery Mode where you can use macOS Utilities to reset your Mac to its factory settings.

Performing a Hard Reboot on a Mac

A hard reboot on a Mac can be done by pressing and holding the power button until your Mac shuts down. This should be done as a last resort if your Mac becomes unresponsive. It’s important to note that any unsaved changes in open documents will be lost when doing a hard reboot. To prevent data loss, make sure you save your work before attempting to restart your Mac.

Troubleshooting Macbook Pro Not Turning On

It is possible that your Macbook Pro is not turning on due to a power issue. First, make sure your power cable is undamaged and plugged securely into your Mac and a working electrical socket. Additionally, check if the battery is charged by connecting it to another power source such as an external monitor or wall outlet. If that does not work, it could be a hardware issue and you may need to take it to an Apple Store or authorized technician for further diagnosis.

Resetting a Mac When Command +R Does Not Work

If Command +R isn’t working, you’ll need to use a different method to reset your Mac. First, make sure your Mac is powered off. Then, press and hold the power button until you see “Loading startup options”. Let go of the power button and you will be able to select Options > Continue which will open up Recovery mode. Once in Recovery mode, click on the “Disk Utility” option and select “Erase” from the menu bar. Here you can erase your hard drive and reinstall a fresh copy of macOS. After this process is completed, your Mac should be reset and ready for use.

Factory Resetting a Macbook Without Accessing It

To factory reset your Macbook without getting into it, you need to put it into Recovery Mode. This can usually be done by powering off the device and then holding Command + R keys while the device is booting up. Once in Recovery Mode, you will have the option to reinstall macOS or open Disk Utility, where you can erase and reformat your hard drive. Finally, follow the on-screen instructions to complete the reset process.