How to delete data from macbook air?

1. Choose Apple menu > About This Mac, click Storage, then click Manage.
2. 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.

Beside above, how do I clear data from my 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.

Correspondingly, how do I delete data from my MacBook?

Furthermore, how do I clean up my Mac to make it run faster?

1. Clean up system files and documents. A clean Mac is a fast Mac.
2. Detect & Kill Demanding Processes.
3. Speed up startup time: Manage startup programs.
4. Remove unused apps.
5. Run a macOS system update.
6. Upgrade your RAM.
7. Swap your HDD for an SSD.
8. Reduce Visual Effects.

Similarly, how do I empty my Mac cache?

1. Open Finder. From the Go menu, select Go to Folder
2. A box will pop up. Type in ~/Library/Caches/ and then click Go.
3. Your system, or library, caches will appear.
4. Here you can open up each folder and delete unneeded cache files by dragging them to the Trash and then emptying it.

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.

What happens if I delete Macintosh HD data?

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.

How do I do a hard reset on a MacBook Pro?

1. To force a restart your MacBook, you need to press and hold down the Command (⌘) button, the Control (Ctrl) key, and the power button at the same time.
2. Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself.

How do I make my Mac run like new?

1. Remove apps you don’t use anymore.
2. Free up hard drive space if you have an older Mac.
3. Run Monolingual to delete the extra language files you don’t use.
4. Buy a solid state drive.
5. Close memory-hogging processes.
6. The same goes for apps.
7. Close unused tabs in your browser.

Is there a disk cleanup utility for Mac?

Disk Cleanup Pro is among the free utilities in the Mac App Store, and others can be found online. As with all maintenance programs, however, read the reviews before you download and back up your Mac before using software intended to automatically delete files on your computer — just in case.

What does Clear Cache mean?

When you use a browser, like Chrome, it saves some information from websites in its cache and cookies. Clearing them fixes certain problems, like loading or formatting issues on sites.

Why can I not delete history on safari?

Turn off your Content & Privacy Restrictions Safari’s Clear History and Website Data button is grayed out when restrictions are turned on. You can edit the Content & Privacy Restrictions from your Screen Time settings, you may need to use a Screen Time passcode to do this, if you have one.

Is it safe to delete cache files?

Is it safe to clear an app’s cache? In short, yes. Since the cache stores non-essential files (that is, files that are not 100% needed for the correct operation of the app), deleting it should not aversely affect the functionality of the app. … Browsers like Chrome and Firefox also like to use a lot of cache.

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 Mac OS reinstall delete 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. … Reinatalling the os alone does not erase data.

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.

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.