How to delete data on 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.

You asked, 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.

Beside above, how do I delete data from my Macbook?

As many you asked, 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 you clean your cache on a Mac?

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 wipe my MacBook Pro 2020?

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 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.

How do I optimize my Mac?

Use the Optimize function. With macOS Sierra, Apple introduced a feature that will optimize storage to clear space and improve the speed of your Mac. To enable this, go to your Apple menu, click About This Mac > Storage > Manage > Optimize Storage.

How do I clear my cache and cookies on my Mac?

1. Click Safari in the upper left hand side of your screen. In the menu that appears, click Preferences.
2. In the window that appears, click the Privacy tab. Click the button Remove All Website Data.
3. Click Remove Now in the pop up window that appears.

How do you clear Internet cache on a Mac?

1. Click on the Safari drop-down menu and select Preferences.
2. Click the Advanced tab. Select the Show Develop menu in menu bar checkbox and close the Preferences window.
3. Select the Develop drop-down menu. Click Empty Cache.
4. Note: You may want to also clear your browser history.

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.

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 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.

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.