- Start up your computer in macOS Recovery: ...
- In the Recovery app window, select Reinstall for your macOS release, then click Continue.
- Follow the onscreen instructions.
- How do I reset my Macbook Pro and reinstall OS?
- How do I fix my Macbook Pro operating system?
- How do I put operating system back on Mac?
- Can I completely wipe my Mac?
- Does reinstalling Mac OS lose data?
- How do I reinstall Mac OS from USB?
- Why is my Mac in recovery mode?
- What does reinstall macOS mean?
- How do I wipe my MacBook Pro Clean to sell?
- How do I reset my MacBook pro without losing data?
How do I reset my Macbook Pro and reinstall OS?
Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.
How do I fix my Macbook Pro operating system?
Restart your Mac, and press Command + R, while it's restarting. Select Disk Utility from the macOS Utilities menu. Once Disk Utility has loaded, choose the disk you wish to repair - the default name for your system partition is generally "Macintosh HD", and choose 'Repair Disk'.
How do I put operating system back on Mac?
Select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
Can I completely wipe my Mac?
You can wipe your Mac computer — or, in other words, factory reset it — through the macOS Utilities menu. This is a good plan if your Mac is malfunctioning, or you're looking to sell it. Doing this will wipe all of your personal data and applications. It'll be like you just turned on your Mac for the first time.
Does reinstalling Mac OS lose data?
2 Answers. Reinstalling macOS from the recovery menu does not erase your data. However, if there is a corruption issue, your data may be corrupted as well, its really hard to tell.
How do I reinstall Mac OS from USB?
Insert the USB drive and power up the machine. Hold the Option key as you do so, then release the Option key when a dark screen appears displaying your bootable volumes. Select the volume for your bootable USB drive, then click the up arrow or press Return. Your Mac will then reboot.
Why is my Mac in recovery mode?
You've gone into Mac Recovery Mode because there's a problem, and that typically means a drive problem. In which case, the first thing you need to do is run Disk Utility. ... It typically can't repair the disk your Mac has currently booted from, but that's why you've booted into this Recovery HD.
What does reinstall macOS mean?
2 Answers. 2. 27. It does exactly what it says it does–reinstalls macOS itself. It only touches operating system files that are there in a default configuration, so any preference files, documents and applications that are either changed or not there in the default installer are simply left alone.
How do I wipe my MacBook Pro Clean to sell?
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 memory and restores certain security features that might have been altered.
How do I reset my MacBook pro without losing data?
Step 1: Hold the Command + R keys until the MacBook's utility window hasn't opened. Step 2: Select Disk Utility and click on Continue. Step 4: Select the format as MAC OS Extended (Journaled) and click on Erase. Step 5: Wait till the MacBook is completely reset and then go back to the Disk Utility's main window.