How to restore and update macbook air?

1. Hold down the Command and R keys on the keyboard and turn on the Mac.
2. Select your language and continue.
3. Choose Disk Utility and click Continue.
4. Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.

Furthermore, how do I update my old MacBook air?

1. From the Apple menu  in the corner of your screen, choose System Preferences.
2. Click Software Update.
3. Click Update Now or Upgrade Now: Update Now installs the latest updates for the currently installed version.

Also know, how do I restore my Mac to a previous update? Start up your Mac and immediately hold down Command + R. Continue holding both keys until you see the Apple logo or a spinning globe. When you see the Utilities window choose Restore from Time Machine Backup and click on Continue. Click Continue again.

People ask also, why can’t I get my MacBook Air to update? There are several reasons you might be unable to update your Mac. However, the most common reason is a lack of storage space. Your Mac needs to have enough free space to download the new update files before it can install them. Aim to keep 15–20GB of free storage on your Mac for installing updates.

Correspondingly, can a Mac be too old to update? Apple said that would run happily on a late 2009 or later MacBook or iMac, or a 2010 or later MacBook Air, MacBook Pro, Mac mini or Mac Pro. If you Mac is supported read: How to update to Big Sur. This means that if your Mac is older than 2012 it won’t officially be able to run Catalina or Mojave.

1. Shut down, wait a few seconds, then restart your Mac.
2. Go to System Preferences > Software Update.
3. Check the Log screen to see if files are being installed.
4. Try installing the Combo update.
5. Reset the NVRAM.

How do I undo a Mac update without Time Machine?

1. Download the installer for the macOS version you want to install.
2. Once downloaded, don’t click on Install!
3. Once done, restart your Mac.
4. In Recovery mode, select “Reinstall macOS” from Utilities.
5. Once done, you should have a working copy of an older version of macOS.

How do I update my Mac when it says no update?

Go to System Preferences and select the app store, turn on Automatically check for updates and checkmark ON all the options. This includes download, install app updates, install macOS updates, and install system.

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.

Why is my Mac not showing software update?

If you don’t see a “Software Update” option in the System Preferences window, you have macOS 10.13 or earlier installed. You must apply operating system updates via the Mac App Store. Launch the App Store from the dock and click on the “Updates” tab. … You may need to restart your Mac for the update to take effect.

How do I restore factory settings on my MacBook air?

1. Hold down the Command and R keys on the keyboard and turn on the Mac.
2. Select your language and continue.
3. Choose Disk Utility and click Continue.
4. Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.

What is the latest iOS for MacBook Air?

1. The latest version of iOS and iPadOS is 15.0.1. Learn how to update the software on your iPhone, iPad, or iPod touch.
2. The latest version of macOS is 11.6.
3. The latest version of tvOS is 15.
4. The latest version of watchOS is 8.

Can I update my Mac from 10.9 5?

Since OS-X Mavericks (10.9) Apple have been releasing their OS X upgrades for free. This means if you have any version of OS X newer than 10.9 then you can upgrade it to the latest version for free. … Download the Installer from Apple directly to the computer that you want to install the new OS X onto.

What is the latest update for MacBook Air 2015?

Yes. macOS 10.15 Catalina. If you’re using one of these computers with OS X Mavericks or later, you can install macOS Catalina. Your Mac also needs at least 4GB of memory and 12.5GB of available storage space, or up to 18.5GB of storage space when upgrading from OS X Yosemite or earlier.

How do I update my Mac from 10.12 6?

1. Pull down the  Apple menu and choose “App Store”
2. Go to the “Updates” tab and choose the ‘update’ button next to “macOS Sierra 10.12. 6” when it becomes available.

Why can’t I install Catalina on my Mac?

The macOS Catalina installation may also fail if you do not have enough storage space available on your Mac. … There is not enough free space on Macintosh HD to install. Quit the installer to restart your computer and try again.” As stated above, you need at least 12.5 GB free space available on your Mac.

How do you uninstall a software update on a Mac?

1. Restart your mac and Keep ⌘ + R pressed until you see the startup screen.
2. Open the terminal in the top navigation menu.
3. Enter the command ‘csrutil disable’.
4. Restart your Mac.
5. Go to the /Library/Updates folder in the finder and move them to the bin.
6. Empty the bin.
7. Repeat step 1 + 2.