How to wipe clear a 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.

Likewise, how do I completely wipe 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.

Beside above, how do I restore my MacBook to factory?

In this regard, how do you clear system storage on a Mac?

1. Launch CleanMyMac X.
2. Choose System Junk in the sidebar.
3. Press Scan.
4. Once it’s finished, if you’re happy to remove the files CleanMyMac recommends, press Clean.
5. If not, choose Review Details and go through the list of results.
6. Uncheck the box next to any items you don’t want to delete.

Moreover, how do I restore my MacBook Air 2011 to factory settings?

1. Tap Apps.
2. Tap Settings.
3. Tap Backup and reset.
4. Tap Factory data reset.
5. Tap Reset Device.
6. Tap Erase Everything.

How do you restore Internet on a Mac?

1. Shut down your Mac.
2. Hold down Command-Option/Alt-R and press the Power button.
3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
4. The message will be replaced with a progress bar.
5. Wait for the MacOS Utilities screen to appear.

How do I restore my MacBook Air to factory settings without CD?

How do I clear my Mac system storage for free?

1. Music, movies, and other media can use a lot of storage space.
2. Delete other files that you no longer need by moving them to the Trash, then emptying the Trash.
3. Move files to an external storage device.
4. Compress files.

How do I clear my system storage?

1. Open your Android phone’s Settings app.
2. Go to the Apps (or Apps and Notifications) settings.
3. Make sure All apps is selected.
4. Tap on the app you wish to clean.
5. Select Clear Cache and Clear Data to remove the temporary data.

How do I reduce my system storage?

1. Back up your device.
2. Tap iCloud backup.
3. And tap Back Up Now.
4. Wait until backup is completed before moving the next step.
5. The next step is to delete all content and settings.
6. Now tap Settings > General > Reset and Erase All Content and Settings.
7. This may take a few minutes and your phone or iPad.

How do I wipe my MacBook Air 2010?

1. Restart your Mac.
2. Select Disk Utility and click Continue.
3. Select your startup disk on the left and click the Erase tab.
4. Choose Mac OS Extended (Journaled) from the Format menu, enter a name, and then click Erase.
5. Select Reinstall OS X, click Continue, and then follow the instructions on your screen.

How do I factory reset my Mac desktop 2011?

After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time. The Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.

How do I wipe my Mac clean and start over?

What does a factory reset erase?

What is a factory reset? A factory reset erases all of the information on an electronic device and restores the software to its original state (when it was in the factory). On your phone or desktop computer, this means all your apps and files will be removed.

What are the disadvantages of factory reset?

But if we reset our device because we noticed that its snappiness has slowed down, the biggest drawback is the loss of data, so it is essential to backup all your data, contacts, photos, videos, files, music, before resetting.

Will Internet Recovery wipe my Mac?

No, doing an Internet Recovery will not erase your hard drive (unless you explicitly choose do to that using Disk Utility ). It will only reinstall the OS for you.