- Step 1: Format the external drive.
- Step 2a: Get the macOS install file.
- Step 2b: Get the install file for an older version of macOS.
- Step 3: Create a bootable USB disk.
- Step 4: Wipe your Mac.
Correspondingly, how do I clean 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.
Furthermore, how do I completely clean my MacBook air?
- 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.
Best answer for this question, how do I clean and reinstall Mac? Enter Recovery (either by pressing Command+R on an Intel Mac or by pressing and holding the power button on a M1 Mac) A macOS Utilities window will open, on which you will see the options to Restore From Time Machine Backup, Reinstall macOS [version], Safari (or Get Help Online in older versions) and Disk Utility.
Amazingly, how do you do a fresh install on a Mac?
- Connect your Mac to the internet via Wi-Fi or Ethernet.
- Click on the Apple icon in the upper left corner of your screen.
- Select Restart from the drop-down menu.
- Hold down Command and R (⌘ + R) at the same time.
- Click on Reinstall a new copy of macOS.
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 you clear everything off a Mac?
- 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 master reset a MacBook Air?
To hard reset a MacBook Air, restart the MacBook and simultaneously press the Option, Command, P, and R keys. Hold down the keys for about 20 seconds.
How do I restore my MacBook Air to factory settings without CD?
How do I restore my MacBook Air 2011 to factory settings?
Does reinstalling Mac delete everything?
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.
How do I get out of Mac utilities?
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears.
How do I select a disk to install OSX?
- Choose Reinstall macOS (or Reinstall OS X) from the utilities window.
- Click Continue, then follow the onscreen instructions. You’ll be asked to select your disk. If you don’t see it, click Show All Disks.
- Click Install. Your Mac restarts after installation is complete.
What is clean install Mac?
A clean installation of macOS Big Sur basically means the entire hard drive – including the system itself, all data, all apps, user accounts, literally everything – is erased, and then a fresh clean install of macOS Big Sur is installed onto the Mac.
What should I install on my new Mac?
- Adobe Creative Cloud Photography. Image: Adobe.
- Alfred. Alfred is essentially a shortcut creation tool, and it lets you use quick keyboard commands to launch apps, find files, and even search the web.
- Bear Notes.
- GIF Brewery 3.
- Paprika 3.
- Pixelmator Pro.
How long should a Mac backup take?
Preparing backup shouldn’t take more than 5 or 10 minutes if your Mac is new and you barely have anything on it.
Does Apple Time Machine backup photos?
Use Time Machine: After you set up Time Machine, it automatically backs up the files on your Mac. If you ever lose the files in your Photos library, you can restore them from the Time Machine backup. … The permissions for your Photos library may conflict with those for the Time Machine backup.