How to erase macbook air 2015?

1. Click Disk Utility.
2. Click Continue.
3. Click View > Show All Devices.
4. Select your hard drive and click Erase.
5. In the Format field, choose the APFS option on macOS High Sierra or later. On macOS Sierra or earlier, choose the Mac OS Extended (Journaled) option.
6. Click Erase.

Best answer for this question, how do I wipe out 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.

Subsequently, how do I format my MacBook Air 2015? To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it!

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

People ask also, 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.

1. Restart holding down Cmd-Opt-R.
2. When it boots, select Disk Utility.
3. From the View popup menu, choose Show all Devices.
4. Select the startup drive device (should be top, left-most with a make/model number for name)
5. Erase it using Mac OS Extended (Journaled).
6. Quit Disk Utility.
7. Reinstall Mac OS.

How do I reset my Mac without a password?

First you’ll need to turn off your Mac. Then press the power button and immediately hold down the Control and R keys until you see the Apple logo or spinning globe icon. Release the keys and shortly afterwards you should see the macOS Utilities window appear.

How do you hard reset a MacBook?

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 do a factory reset?

1. 1 Tap Settings
2. 2 Tap General Management.
3. 3 Tap Reset.
4. 4 Tap Factory data reset.
5. 5 Tap RESET.
6. 6 Tap DELETE ALL. Please be patient as phone resetting takes some time.
7. 1 Tap Apps > Settings > Backup and reset.
8. 2 Tap Factory data reset > Reset Device > Erase Everything.

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 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 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 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 can I get admin access to a Mac without knowing the current password?

1. Hold ⌘ + S on startup.
2. mount -uw / ( fsck -fy is not needed)
3. rm /var/db/.AppleSetupDone.
4. reboot.
5. Go through the steps of creating a new account.
6. After logging in to the new account, go to the Users & Groups preference pane.
7. Select the old account, press the Reset Password

How do I delete a Mac account without a password?

On your Mac, choose Apple menu > System Preferences, then click Users & Groups. If the lock at the bottom left is locked , click it to unlock the preference pane. Select the user or group you want to delete, then click the Remove button (looks like a minus sign) below the list of users.

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

How to Force Restart Your Mac. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the ‌Touch ID‌ / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts.