Typically, if you have a stock 5400 rpm drive, it takes about 30 – 45 minutes using a USB installer. If you are using the internet recovery route, it can take over an hour, depending on speed of internet etc. If you have a SSD using a USB installer, it typically takes 15 minutes or so.
As many you asked, why does macOS reinstall take so long? Since the main reason for slow OS X installs is the use of relatively slower installation media, if you are planning on installing OS X multiple times then you might benefit from using faster media.
Considering this, how long does it take to restore a Macbook Air? I’d estimate anywhere from 1 to 5 hours would be the norm but it’s possible for it to take up to 12 hours. Make sure you erase everything securely before selling it so the buyer can’t recover your saved passwords.
Additionally, how can I reinstall my Mac faster?
- Before You Start: Back Up! Presumably, you’ve used this computer for some time and have personal data on it.
- Step 1: Boot Into Recovery Mode.
- Step 2: Erase the Disk.
- Step 3: Reinstalling macOS.
- Step 4: Set Up macOS Anew.
- Step 5: Update macOS (If Applicable)
Subsequently, how do I reset and reinstall my macbook air?
- Start up your computer in macOS Recovery:
- In the Recovery app window, select Disk Utility, then click Continue.
- In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.
Typically, if you have a stock 5400 rpm drive, it takes about 30 – 45 minutes using a USB installer. If you are using the internet recovery route, it can take over an hour, depending on speed of internet etc. If you have a SSD using a USB installer, it typically takes 15 minutes or so.
How long does Mac OS reinstall take?
macOS generally takes 30 to 45 minutes to install. That’s it. It doesn’t “take so long” to install macOS. Anyone making this claim has clearly never installed Windows, which not only generally takes over an hour, but includes multiple restarts and babysitting to get to completion.
How do I reset a MacBook Air 2020?
- Hold down the Command and R keys on the keyboard and turn on the Mac.
- Select your language and continue.
- Choose Disk Utility and click Continue.
- Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.
Can you reset your MacBook Air?
The best way to restore your Mac to factory settings is to erase your hard drive and reinstall macOS. After macOS installation is complete, the Mac restarts to a setup assistant that asks you to choose a country or region. … Instead, press Command-Q to shut down the Mac.
How do I clear my MacBook air?
- Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
- When the Utilities window appears, select Disk Utility.
- In the sidebar, choose Macintosh HD.
- Click the “Erase” button, then select a file system format and enter a name for it.
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.
How do I restore my Mac to its original operating system?
- Start up your Mac pressing Shift-Option/Alt-Command-R.
- Once you see the macOS Utilities screen choose the Reinstall macOS option.
- Click Continue and follow the on-screen instructions.
- Select your startup disk and click Install.
- Your Mac will restart once the installation is complete.
Does reinstalling Mac delete everything?
macOS Reinstallation Deletes Everything, What Can I Do Reinstalling macOS of macOS Recovery can help you replace the current problematic OS with a clean version quickly and easily. Technically speaking, simply reinstalling macOS won’t erase your disk either delete files.
How do I restore my Macbook Air to factory settings without CD?
How do you clear everything off a Mac?
How do I factory reset my Macbook Air 2021?
What happens when I reinstall my macOS?
2 Answers. It does exactly what it says it does–reinstalls macOS itself. It only touches operating system files that are there in a default configuration, so any preference files, documents and applications that are either changed or not there in the default installer are simply left alone.