How to clear data on macbook air?

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.

You asked, how do I delete data from my MacBook air?

1. Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
2. When the Utilities window appears, select Disk Utility.
3. In the sidebar, choose Macintosh HD.
4. Click the “Erase” button, then select a file system format and enter a name for it.

Also, how do I delete data from my MacBook?

You asked, how do I reset my Mac 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.

Moreover, why do I have Macintosh HD and data? What you have done is upset the logical volume “Macintosh HD”. For security reasons macOS Catalina splits the logical boot volume, in your case “Macintosh HD” into two physical volumes, one for all the system files and another for the use data which has ” – Data” put on the end of the name.Erasing your Mac permanently deletes its files. If you want to restore your Mac to factory settings, such as to prepare it for a new owner, first learn what to do before you sell, give away, or trade in your Mac.

Do I need to delete Macintosh HD data?

Sadly, that’s wrong and will fail. To perform a clean re-install in Catalina, once in Recovery Mode, you need to delete your Data volume, that’s the one named Macintosh HD – Data , or something similar if you’re using a custom name, and to erase your System volume.

Why is my Mac system using so much storage?

It’s likely that much of it is accounted for by cache files for apps like Photos and Safari. MacOS caches as much data as it can to avoid having to re-download it, which boosts performance. … System storage can occupy tens of gigabytes of space on your Mac for Time Machine backups and cache files.

How do you make sure your Mac is backed up?

Make sure your Mac Pro is on the same Wi-Fi network as your external storage device, or connect the storage device to your Mac Pro. Open System Preferences, click Time Machine, then select Back Up Automatically. Select the drive you want to use for backup, and you’re all set.

Does rebooting MacBook delete everything?

Restarting or rebooting your Mac essentially clears your computer’s memory and starts it up fresh. When you restart your computer, your Mac closes all running programs and offers to save any files you’re working on. After you choose to save any files, your Mac will finally boot up again.

How do you do a soft reset on a MacBook Air?

After your Mac shuts down, press and hold the right Shift key, the left Option key, and the left Control key for 7 seconds. Then keep holding those keys while you press and hold the power button for another 7 seconds.

What is the difference between Mac HD and Mac HD data?

Your files and data are stored in another volume named Macintosh HD – Data. In the Finder, both volumes appear as Macintosh HD. The Disk Utility app in macOS Catalina shows that Macintosh HD is the read-only system volume and Macintosh HD – Data contains the the rest of your files and data.

How do you clean up a Mac hard drive?

1. Clean up cache. You’ve probably heard “Remove your cache” as a web browser troubleshooting tip.
2. Uninstall apps you don’t use.
3. Clean out useless duplicates.
4. Empty the Trash.
5. Reduce clutter.
6. Delete large and old files.
7. Remove old iOS backups.
8. Wipe out Language files.

Do I Install MacOS on Macintosh HD or data?

If the installer offers you the choice between installing on Macintosh HD or Macintosh HD – Data, choose Macintosh HD. Allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.

How do I delete old Macintosh HD data?

Click on this Macintosh HD – Data drive to select it. Either click on the – button or go to the menu and choose Edit > Delete APFS volume. You will see a message warning you that this will permanently erase your data. Click on Delete.

How do I delete HD data?

1. Step 1: Back up your hard-drive data.
2. Step 2: Don’t just delete files from your computer.
3. Step 3: Use a program to wipe your drive.
4. Step 4: Physically wipe your hard drive.
5. Step 5: Do a fresh installation of the operating system.

How do I delete files from my Mac HD data?

Choose Apple menu > About This Mac, click Storage, then click Manage. Click a category in the sidebar: Applications, Music, TV, Messages, and Books: These categories list files individually. To delete an item, select the file, then click Delete.